./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/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 1304284b4caab40fe6d6538fa9425f9c3ae70910 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:23:39,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:23:39,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:23:39,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:23:39,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:23:39,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:23:39,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:23:39,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:23:39,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:23:39,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:23:39,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:23:39,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:23:39,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:23:39,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:23:39,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:23:39,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:23:39,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:23:39,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:23:39,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:23:39,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:23:39,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:23:39,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:23:39,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:23:39,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:23:39,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:23:39,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:23:39,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:23:39,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:23:39,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:23:39,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:23:39,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:23:39,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:23:39,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:23:39,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:23:39,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:23:39,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:23:39,209 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:23:39,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:23:39,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:23:39,226 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:23:39,226 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:23:39,227 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:23:39,227 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:23:39,227 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:23:39,228 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:23:39,228 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:23:39,228 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:23:39,228 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:23:39,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:23:39,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:23:39,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:23:39,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:23:39,230 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:23:39,232 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:23:39,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:23:39,233 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:23:39,233 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:23:39,233 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:23:39,234 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_4a130e89-7c21-4e54-8b71-8ad811a69e8d/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 -> 1304284b4caab40fe6d6538fa9425f9c3ae70910 [2018-11-18 16:23:39,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:23:39,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:23:39,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:23:39,278 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:23:39,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:23:39,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-11-18 16:23:39,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/data/bddc39c5c/0cf9311d8e914b13a1fdc8a4acc049c2/FLAGc42bc29b1 [2018-11-18 16:23:39,724 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:23:39,724 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-11-18 16:23:39,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/data/bddc39c5c/0cf9311d8e914b13a1fdc8a4acc049c2/FLAGc42bc29b1 [2018-11-18 16:23:39,750 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/data/bddc39c5c/0cf9311d8e914b13a1fdc8a4acc049c2 [2018-11-18 16:23:39,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:23:39,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:23:39,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:23:39,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:23:39,757 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:23:39,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:23:39" (1/1) ... [2018-11-18 16:23:39,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:39, skipping insertion in model container [2018-11-18 16:23:39,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:23:39" (1/1) ... [2018-11-18 16:23:39,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:23:39,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:23:40,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:23:40,154 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:23:40,286 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:23:40,314 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:23:40,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40 WrapperNode [2018-11-18 16:23:40,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:23:40,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:23:40,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:23:40,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:23:40,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:23:40,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:23:40,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:23:40,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:23:40,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... [2018-11-18 16:23:40,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:23:40,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:23:40,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:23:40,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:23:40,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 16:23:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:23:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:23:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:23:43,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:23:43,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:23:43 BoogieIcfgContainer [2018-11-18 16:23:43,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:23:43,226 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:23:43,226 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:23:43,229 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:23:43,230 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:23:43,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:23:39" (1/3) ... [2018-11-18 16:23:43,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@489728d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:23:43, skipping insertion in model container [2018-11-18 16:23:43,231 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:23:43,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:23:40" (2/3) ... [2018-11-18 16:23:43,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@489728d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:23:43, skipping insertion in model container [2018-11-18 16:23:43,231 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:23:43,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:23:43" (3/3) ... [2018-11-18 16:23:43,233 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-11-18 16:23:43,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:23:43,279 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:23:43,279 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:23:43,279 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:23:43,279 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:23:43,280 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:23:43,280 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:23:43,280 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:23:43,280 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:23:43,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 778 states. [2018-11-18 16:23:43,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2018-11-18 16:23:43,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:23:43,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:23:43,392 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:43,392 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:43,392 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:23:43,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 778 states. [2018-11-18 16:23:43,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2018-11-18 16:23:43,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:23:43,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:23:43,403 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:43,403 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:43,409 INFO L794 eck$LassoCheckResult]: Stem: 183#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~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 80];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 117];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 109];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 112];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 110];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,3 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 32];#memory_int := #memory_int[#t~string75.base,2 + #t~string75.offset := 0];call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string77.base,#t~string77.offset := 10];#memory_int := #memory_int[#t~string77.base,1 + #t~string77.offset := 0];~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 127#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 609#L295true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 25#L270true select_features_#t~ret12 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 24#L270-1true select_features_#t~ret13 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 23#L270-2true select_features_#t~ret14 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 22#L270-3true select_features_#t~ret15 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 21#L270-4true select_features_#t~ret16 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 742#L270-5true select_features_#t~ret17 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 64#L287true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 402#L303true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 722#L249true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 178#L220true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 744#L1107true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 464#L695-3true [2018-11-18 16:23:43,410 INFO L796 eck$LassoCheckResult]: Loop: 464#L695-3true assume true; 472#L695-1true assume !false; 543#L696true assume test_~splverifierCounter~0 < 4; 379#L697true test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 166#L705true assume !(0 != test_~tmp~4); 170#L705-2true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 679#L715true assume !(0 != test_~tmp___0~0); 663#L715-2true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 138#L725true assume 0 != test_~tmp___2~0; 213#L726true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 680#L737-1true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret80;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 763#L999true __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 432#L1117true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 733#L777true assume !(0 != ~pumpRunning~0); 736#L777-2true assume !(0 != ~systemActive~0); 562#L784-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 132#L131true __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 37#L1128true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 38#L1128-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 60#L794true assume { :end_inline_timeShift } true; 464#L695-3true [2018-11-18 16:23:43,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:43,416 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2018-11-18 16:23:43,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:43,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:43,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:43,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:43,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1088876576, now seen corresponding path program 1 times [2018-11-18 16:23:43,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:43,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:43,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:43,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:43,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:43,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2123045071, now seen corresponding path program 1 times [2018-11-18 16:23:43,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:43,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:43,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:43,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:23:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:23:43,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:23:43,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:23:44,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:23:44,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:23:44,006 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 7 states. [2018-11-18 16:23:44,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:23:44,622 INFO L93 Difference]: Finished difference Result 2372 states and 3165 transitions. [2018-11-18 16:23:44,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:23:44,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2372 states and 3165 transitions. [2018-11-18 16:23:44,658 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1574 [2018-11-18 16:23:44,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2372 states to 2332 states and 3125 transitions. [2018-11-18 16:23:44,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2332 [2018-11-18 16:23:44,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2332 [2018-11-18 16:23:44,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2332 states and 3125 transitions. [2018-11-18 16:23:44,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:23:44,708 INFO L705 BuchiCegarLoop]: Abstraction has 2332 states and 3125 transitions. [2018-11-18 16:23:44,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states and 3125 transitions. [2018-11-18 16:23:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 830. [2018-11-18 16:23:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-11-18 16:23:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1110 transitions. [2018-11-18 16:23:44,774 INFO L728 BuchiCegarLoop]: Abstraction has 830 states and 1110 transitions. [2018-11-18 16:23:44,774 INFO L608 BuchiCegarLoop]: Abstraction has 830 states and 1110 transitions. [2018-11-18 16:23:44,775 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:23:44,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 830 states and 1110 transitions. [2018-11-18 16:23:44,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 559 [2018-11-18 16:23:44,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:23:44,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:23:44,780 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:44,781 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 16:23:44,781 INFO L794 eck$LassoCheckResult]: Stem: 3841#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~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 80];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 117];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 109];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 112];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 110];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,3 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 32];#memory_int := #memory_int[#t~string75.base,2 + #t~string75.offset := 0];call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string77.base,#t~string77.offset := 10];#memory_int := #memory_int[#t~string77.base,1 + #t~string77.offset := 0];~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 3705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3706#L295 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3383#L270 select_features_#t~ret12 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3379#L270-1 select_features_#t~ret13 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3376#L270-2 select_features_#t~ret14 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3372#L270-3 select_features_#t~ret15 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3366#L270-4 select_features_#t~ret16 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 3367#L270-5 select_features_#t~ret17 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 3584#L287 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 3351#L303 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 3352#L249 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 3833#L220 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3834#L1107 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3510#L695-3 [2018-11-18 16:23:44,781 INFO L796 eck$LassoCheckResult]: Loop: 3510#L695-3 assume true; 3511#L695-1 assume !false; 3535#L696 assume test_~splverifierCounter~0 < 4; 3307#L697 test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 3308#L705 assume !(0 != test_~tmp~4); 3810#L705-2 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 3817#L715 assume !(0 != test_~tmp___0~0); 3753#L715-2 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 3747#L725 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet56;havoc test_#t~nondet56; 3748#L737 assume !(0 != test_~tmp___1~0); 3807#L737-1 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret80;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 3877#L999 __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 3436#L1117 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3437#L777 assume !(0 != ~pumpRunning~0); 3891#L777-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3916#L920 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3893#L877-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3894#L834-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3762#L801-26 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3357#L843-8 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3243#L886-2 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3250#L929 assume { :end_inline_processEnvironment } true; 3251#L784-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 3678#L131 __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 3440#L1128 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 3442#L1128-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3443#L794 assume { :end_inline_timeShift } true; 3510#L695-3 [2018-11-18 16:23:44,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:44,782 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2018-11-18 16:23:44,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:44,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:44,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:44,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:44,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:44,838 INFO L82 PathProgramCache]: Analyzing trace with hash 785452982, now seen corresponding path program 1 times [2018-11-18 16:23:44,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:44,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:44,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,840 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:23:44,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:44,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:44,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1117623335, now seen corresponding path program 1 times [2018-11-18 16:23:44,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:44,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:44,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:44,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:23:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:23:44,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:23:45,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:23:45,634 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-18 16:23:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:23:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:23:45,660 INFO L87 Difference]: Start difference. First operand 830 states and 1110 transitions. cyclomatic complexity: 283 Second operand 5 states. [2018-11-18 16:23:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:23:46,965 INFO L93 Difference]: Finished difference Result 2867 states and 3791 transitions. [2018-11-18 16:23:46,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:23:46,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2867 states and 3791 transitions. [2018-11-18 16:23:46,981 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1106 [2018-11-18 16:23:46,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2867 states to 2867 states and 3791 transitions. [2018-11-18 16:23:46,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2867 [2018-11-18 16:23:46,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2867 [2018-11-18 16:23:46,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2867 states and 3791 transitions. [2018-11-18 16:23:47,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:23:47,001 INFO L705 BuchiCegarLoop]: Abstraction has 2867 states and 3791 transitions. [2018-11-18 16:23:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states and 3791 transitions. [2018-11-18 16:23:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 1638. [2018-11-18 16:23:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2018-11-18 16:23:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2157 transitions. [2018-11-18 16:23:47,036 INFO L728 BuchiCegarLoop]: Abstraction has 1638 states and 2157 transitions. [2018-11-18 16:23:47,037 INFO L608 BuchiCegarLoop]: Abstraction has 1638 states and 2157 transitions. [2018-11-18 16:23:47,037 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:23:47,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1638 states and 2157 transitions. [2018-11-18 16:23:47,044 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1106 [2018-11-18 16:23:47,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:23:47,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:23:47,046 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:47,046 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:23:47,046 INFO L794 eck$LassoCheckResult]: Stem: 7580#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~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 80];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 117];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 109];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 112];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 110];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 102];#memory_int := #memory_int[#t~string73.base,3 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.offset := 32];#memory_int := #memory_int[#t~string75.base,2 + #t~string75.offset := 0];call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string77.base,#t~string77.offset := 10];#memory_int := #memory_int[#t~string77.base,1 + #t~string77.offset := 0];~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 7434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 7435#L295 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7096#L270 select_features_#t~ret12 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7092#L270-1 select_features_#t~ret13 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7089#L270-2 select_features_#t~ret14 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7085#L270-3 select_features_#t~ret15 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7081#L270-4 select_features_#t~ret16 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;assume { :begin_inline_select_one } true;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 7082#L270-5 select_features_#t~ret17 := select_one_#res;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 7306#L287 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 7064#L303 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 7065#L249 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 7572#L220 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 7573#L1107 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7684#L695-3 [2018-11-18 16:23:47,046 INFO L796 eck$LassoCheckResult]: Loop: 7684#L695-3 assume true; 8069#L695-1 assume !false; 8067#L696 assume test_~splverifierCounter~0 < 4; 8068#L697 test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 8128#L705 assume !(0 != test_~tmp~4); 8127#L705-2 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 8125#L715 assume !(0 != test_~tmp___0~0); 8123#L715-2 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 8122#L725 assume 0 != test_~tmp___2~0; 8119#L726 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 8117#L737-1 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret80;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 8115#L999 __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 8113#L1117 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 8111#L777 assume !(0 != ~pumpRunning~0); 8108#L777-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 8009#L920 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 8106#L877-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 8103#L834-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 8092#L801-26 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 8083#L843-8 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 8080#L886-2 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 8079#L929 assume { :end_inline_processEnvironment } true; 8077#L784-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 8076#L131 __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 8075#L1128 assume 2 != __utac_acc__Specification5_spec__3_~tmp~11;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 8074#L999-1 __utac_acc__Specification5_spec__3_#t~ret82 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret82;havoc __utac_acc__Specification5_spec__3_#t~ret82; 8072#L1132 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 8071#L1128-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 8070#L794 assume { :end_inline_timeShift } true; 7684#L695-3 [2018-11-18 16:23:47,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:47,047 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2018-11-18 16:23:47,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:47,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:47,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:47,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:47,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1595841792, now seen corresponding path program 1 times [2018-11-18 16:23:47,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:47,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:47,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,093 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:23:47,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:23:47,102 INFO L82 PathProgramCache]: Analyzing trace with hash -207712463, now seen corresponding path program 1 times [2018-11-18 16:23:47,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:23:47,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:23:47,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:23:47,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:23:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:23:47,392 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-11-18 16:26:35,770 WARN L180 SmtUtils]: Spent 2.81 m on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2018-11-18 16:27:36,336 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification that was a NOOP. DAG size: 406 [2018-11-18 16:27:36,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:27:36 BoogieIcfgContainer [2018-11-18 16:27:36,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:27:36,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:27:36,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:27:36,413 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:27:36,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:23:43" (3/4) ... [2018-11-18 16:27:36,416 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:27:36,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4a130e89-7c21-4e54-8b71-8ad811a69e8d/bin-2019/uautomizer/witness.graphml [2018-11-18 16:27:36,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:27:36,470 INFO L168 Benchmark]: Toolchain (without parser) took 236717.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,470 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:36,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.03 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,471 INFO L168 Benchmark]: Boogie Preprocessor took 70.30 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,471 INFO L168 Benchmark]: RCFGBuilder took 2754.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.1 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,472 INFO L168 Benchmark]: BuchiAutomizer took 233186.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,472 INFO L168 Benchmark]: Witness Printer took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:36,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 561.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.03 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.30 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2754.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.1 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 233186.57 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 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 7 locations. The remainder module has 1638 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 233.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 230.8s. Construction of modules took 1.5s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2731 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1638 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2977 SDtfs, 10869 SDslu, 11345 SDs, 0 SdLazy, 371 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 695]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=24, "Pump(System:"=0, "libacc.c"=0, "libacc.c"=11, "On"=29, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "OK"=20, "\n"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67cabf10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19466f34=0, methaneLevelCritical=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d33efb5=0, "Off"=0, tmp___1=0, "i > 0 && i <= this->argsCount"=18, "i > 0 && i <= this->argsCount"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5414cf3b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255ebd9e=0, cleanupTimeShifts=4, retValue_acc=0, "i > 0 && i <= this->argsCount"=8, waterLevel=1, "__utac__get_this_arg"=0, __SELECTED_FEATURE_methaneAlarm=0, "libacc.c"=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, "i > 0 && i <= this->argsCount"=0, tmp=1, "On"=0, "\n"=0, ") "=26, "Off"=0, __SELECTED_FEATURE_stopCommand=0, ") "=0, "Off"=28, ")"=19, head=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, choice=0, "__utac__get_this_argtype"=0, \result=0, __SELECTED_FEATURE_base=1, "libacc.c"=0, retValue_acc=0, "Pump(System:"=35, "__utac__get_this_arg"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42a3e541=0, "libacc.c"=17, __GUIDSL_ROOT_PRODUCTION=1, "On"=0, ",Pump:"=0, "__utac__get_this_arg"=12, switchedOnBeforeTS=0, "__utac__get_this_argtype"=36, \result=0, NULL=0, systemActive=1, ",Pump:"=31, \result=1, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ae56db5=0, __SELECTED_FEATURE_lowWaterSensor=0, "__utac__get_this_argtype"=0, "libacc.c"=37, \result=0, retValue_acc=0, tmp___0=0, __SELECTED_FEATURE_highWaterSensor=0, "i > 0 && i <= this->argsCount"=38, retValue_acc=1, "Off"=33, __SELECTED_FEATURE_methaneQuery=0, "CRIT"=22, tmp___2=167, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b7e13ee=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fef65c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6500325f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78240fd2=167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67c24a2f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bf8181a=0, __SELECTED_FEATURE_startCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@388acf5d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc798ba=0, ",Meth:"=23, "libacc.c"=14, "i > 0 && i <= this->argsCount"=0, "On"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 695]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L108] FCALL "Env(Water:%i" [L109] FCALL ",Meth:" [L113] FCALL "CRIT" [L117] FCALL "OK" [L121] FCALL ")" [L614] FCALL "i > 0 && i <= this->argsCount" [L614] FCALL "libacc.c" [L615] FCALL "__utac__get_this_arg" [L621] FCALL "i > 0 && i <= this->argsCount" [L621] FCALL "libacc.c" [L622] FCALL "__utac__get_this_arg" [L660] FCALL "i > 0 && i <= this->argsCount" [L660] FCALL "libacc.c" [L661] FCALL "__utac__get_this_argtype" [L667] FCALL "i > 0 && i <= this->argsCount" [L667] FCALL "libacc.c" [L668] FCALL "__utac__get_this_argtype" [L1008] FCALL "Pump(System:" [L1012] FCALL "On" [L1016] FCALL "Off" [L1020] FCALL ",Pump:" [L1024] FCALL "On" [L1028] FCALL "Off" [L1032] FCALL ") " [L1034] FCALL "\n" [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L159] int cleanupTimeShifts = 4; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L1101] int switchedOnBeforeTS ; [L486] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L240] int retValue_acc ; [L241] int tmp ; [L245] CALL select_helpers() [L294] RET __GUIDSL_ROOT_PRODUCTION = 1 [L245] select_helpers() [L246] CALL select_features() [L279] __SELECTED_FEATURE_base = 1 [L280] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L280] EXPR select_one() [L280] __SELECTED_FEATURE_highWaterSensor = select_one() [L281] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L281] EXPR select_one() [L281] __SELECTED_FEATURE_lowWaterSensor = select_one() [L282] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L282] EXPR select_one() [L282] __SELECTED_FEATURE_methaneQuery = select_one() [L283] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L283] EXPR select_one() [L283] __SELECTED_FEATURE_methaneAlarm = select_one() [L284] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L284] EXPR select_one() [L284] __SELECTED_FEATURE_stopCommand = select_one() [L285] CALL, EXPR select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] RET return (retValue_acc); [L285] EXPR select_one() [L285] RET __SELECTED_FEATURE_startCommand = select_one() [L246] select_features() [L247] CALL, EXPR valid_product() [L299] int retValue_acc ; [L302] retValue_acc = __SELECTED_FEATURE_base [L303] RET return (retValue_acc); [L247] EXPR valid_product() [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L251] FCALL setup() [L252] CALL runTest() [L230] CALL __utac_acc__Specification5_spec__1() [L1106] RET switchedOnBeforeTS = 0 [L230] __utac_acc__Specification5_spec__1() [L231] CALL test() [L686] int splverifierCounter ; [L687] int tmp ; [L688] int tmp___0 ; [L689] int tmp___1 ; [L690] int tmp___2 ; [L693] splverifierCounter = 0 Loop: [L695] COND TRUE 1 [L697] COND TRUE splverifierCounter < 4 [L703] tmp = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp)) [L713] tmp___0 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___0)) [L723] tmp___2 = __VERIFIER_nondet_int() [L725] COND TRUE \read(tmp___2) [L726] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L750] CALL timeShift() [L775] CALL __utac_acc__Specification5_spec__2() [L1115] CALL, EXPR isPumpRunning() [L995] int retValue_acc ; [L998] retValue_acc = pumpRunning [L999] RET return (retValue_acc); [L1115] EXPR isPumpRunning() [L1115] RET switchedOnBeforeTS = isPumpRunning() [L775] __utac_acc__Specification5_spec__2() [L777] COND FALSE !(\read(pumpRunning)) [L784] COND TRUE \read(systemActive) [L786] CALL processEnvironment() [L920] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L927] CALL processEnvironment__before__methaneAlarm() [L877] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L884] CALL processEnvironment__before__lowWaterSensor() [L834] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L841] RET, FCALL processEnvironment__before__highWaterSensor() [L884] RET processEnvironment__before__lowWaterSensor() [L927] RET processEnvironment__before__methaneAlarm() [L786] processEnvironment() [L792] CALL __utac_acc__Specification5_spec__3() [L1121] int tmp ; [L1122] int tmp___0 ; [L1126] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] RET return (retValue_acc); [L1126] EXPR getWaterLevel() [L1126] tmp = getWaterLevel() [L1128] COND TRUE tmp != 2 [L1130] CALL, EXPR isPumpRunning() [L995] int retValue_acc ; [L998] retValue_acc = pumpRunning [L999] RET return (retValue_acc); [L1130] EXPR isPumpRunning() [L1130] tmp___0 = isPumpRunning() [L1132] COND FALSE, RET !(\read(tmp___0)) [L792] RET __utac_acc__Specification5_spec__3() [L750] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...