./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_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_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:01:39,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:01:39,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:01:39,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:01:39,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:01:39,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:01:39,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:01:39,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:01:39,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:01:39,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:01:39,311 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:01:39,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:01:39,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:01:39,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:01:39,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:01:39,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:01:39,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:01:39,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:01:39,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:01:39,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:01:39,317 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:01:39,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:01:39,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:01:39,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:01:39,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:01:39,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:01:39,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:01:39,321 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:01:39,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:01:39,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:01:39,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:01:39,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:01:39,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:01:39,323 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:01:39,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:01:39,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:01:39,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:01:39,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:01:39,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:01:39,337 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:01:39,337 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:01:39,337 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:01:39,337 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:01:39,337 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:01:39,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:01:39,338 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:01:39,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:01:39,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:01:39,340 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:01:39,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:01:39,341 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:01:39,341 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:01:39,341 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:01:39,342 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_c470166b-0fc2-4acd-8a53-70c3dfd687e8/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2018-11-18 16:01:39,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:01:39,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:01:39,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:01:39,378 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:01:39,379 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:01:39,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:39,421 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/data/8a73ff438/942cabafc025487c8c02f94dfdeaccca/FLAG64ff6cbd9 [2018-11-18 16:01:39,853 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:01:39,854 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:39,861 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/data/8a73ff438/942cabafc025487c8c02f94dfdeaccca/FLAG64ff6cbd9 [2018-11-18 16:01:39,870 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/data/8a73ff438/942cabafc025487c8c02f94dfdeaccca [2018-11-18 16:01:39,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:01:39,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:01:39,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:39,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:01:39,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:01:39,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:39" (1/1) ... [2018-11-18 16:01:39,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:39, skipping insertion in model container [2018-11-18 16:01:39,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:39" (1/1) ... [2018-11-18 16:01:39,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:01:39,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:01:40,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:40,118 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:01:40,213 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:40,230 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:01:40,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40 WrapperNode [2018-11-18 16:01:40,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:40,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:40,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:01:40,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:01:40,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:40,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:01:40,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:01:40,268 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:01:40,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... [2018-11-18 16:01:40,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:01:40,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:01:40,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:01:40,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:01:40,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/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 16:01:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:01:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:01:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:01:40,927 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:01:40,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:40 BoogieIcfgContainer [2018-11-18 16:01:40,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:01:40,928 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:01:40,928 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:01:40,930 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:01:40,931 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:40,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:01:39" (1/3) ... [2018-11-18 16:01:40,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5a2f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:01:40, skipping insertion in model container [2018-11-18 16:01:40,932 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:40,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:40" (2/3) ... [2018-11-18 16:01:40,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e5a2f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:01:40, skipping insertion in model container [2018-11-18 16:01:40,932 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:40,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:40" (3/3) ... [2018-11-18 16:01:40,934 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:40,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:01:40,967 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:01:40,967 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:01:40,967 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:01:40,967 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:01:40,968 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:01:40,968 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:01:40,968 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:01:40,968 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:01:40,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states. [2018-11-18 16:01:41,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2018-11-18 16:01:41,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:41,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:41,009 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,009 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,009 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:01:41,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states. [2018-11-18 16:01:41,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2018-11-18 16:01:41,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:41,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:41,016 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,016 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,020 INFO L794 eck$LassoCheckResult]: Stem: 75#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~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 3#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; 71#L286true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 39#L279true 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 := 1;valid_product_#res := valid_product_~retValue_acc~6; 192#L294true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 191#L250true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 117#L221true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 17#L984true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 157#L311-3true [2018-11-18 16:01:41,020 INFO L796 eck$LassoCheckResult]: Loop: 157#L311-3true assume true; 179#L311-1true assume !false; 32#L312true assume test_~splverifierCounter~0 < 4; 92#L313true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 100#L321true assume !(0 != test_~tmp~1); 103#L321-2true test_~tmp___0~0 := test_#t~nondet13;havoc test_#t~nondet13; 131#L331true assume !(0 != test_~tmp___0~0); 118#L331-2true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 89#L341true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet15;havoc test_#t~nondet15; 193#L349true assume !(0 != test_~tmp___1~0); 196#L349-2true assume { :begin_inline_timeShift } true; 37#L747true assume !(0 != ~pumpRunning~0); 25#L747-2true assume !(0 != ~systemActive~0); 82#L754-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_#t~ret74, __utac_acc__Specification2_spec__2_~tmp~10, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~10;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 171#L91-2true __utac_acc__Specification2_spec__2_#t~ret73 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; 15#L995true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10);~methAndRunningLastTime~0 := 0; 19#L995-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 9#L764true assume { :end_inline_timeShift } true; 157#L311-3true [2018-11-18 16:01:41,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,025 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 16:01:41,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:41,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,174 INFO L82 PathProgramCache]: Analyzing trace with hash -186074457, now seen corresponding path program 1 times [2018-11-18 16:01:41,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:41,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1525426864, now seen corresponding path program 1 times [2018-11-18 16:01:41,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:41,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:41,308 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 16:01:41,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:41,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:01:41,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:01:41,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:01:41,389 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 6 states. [2018-11-18 16:01:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:41,614 INFO L93 Difference]: Finished difference Result 633 states and 833 transitions. [2018-11-18 16:01:41,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:01:41,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 833 transitions. [2018-11-18 16:01:41,625 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 416 [2018-11-18 16:01:41,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 593 states and 793 transitions. [2018-11-18 16:01:41,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 593 [2018-11-18 16:01:41,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 593 [2018-11-18 16:01:41,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 593 states and 793 transitions. [2018-11-18 16:01:41,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:01:41,638 INFO L705 BuchiCegarLoop]: Abstraction has 593 states and 793 transitions. [2018-11-18 16:01:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states and 793 transitions. [2018-11-18 16:01:41,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 241. [2018-11-18 16:01:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 16:01:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 322 transitions. [2018-11-18 16:01:41,677 INFO L728 BuchiCegarLoop]: Abstraction has 241 states and 322 transitions. [2018-11-18 16:01:41,677 INFO L608 BuchiCegarLoop]: Abstraction has 241 states and 322 transitions. [2018-11-18 16:01:41,677 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:01:41,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 322 transitions. [2018-11-18 16:01:41,679 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 169 [2018-11-18 16:01:41,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:41,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:41,680 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,680 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,680 INFO L794 eck$LassoCheckResult]: Stem: 1022#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~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 860#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; 861#L286 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 946#L279 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 := 1;valid_product_#res := valid_product_~retValue_acc~6; 947#L294 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 1026#L250 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 938#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 896#L984 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 876#L311-3 [2018-11-18 16:01:41,681 INFO L796 eck$LassoCheckResult]: Loop: 876#L311-3 assume true; 991#L311-1 assume !false; 932#L312 assume test_~splverifierCounter~0 < 4; 933#L313 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 851#L321 assume !(0 != test_~tmp~1); 853#L321-2 test_~tmp___0~0 := test_#t~nondet13;havoc test_#t~nondet13; 859#L331 assume !(0 != test_~tmp___0~0); 941#L331-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 942#L341 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1027#L974 assume { :end_inline_startSystem } true; 1028#L349-2 assume { :begin_inline_timeShift } true; 940#L747 assume !(0 != ~pumpRunning~0); 914#L747-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 915#L805 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 922#L779-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 988#L771-3 assume { :end_inline_processEnvironment__wrappee__base } true; 984#L779-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 885#L805-1 assume { :end_inline_processEnvironment } true; 886#L754-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_#t~ret74, __utac_acc__Specification2_spec__2_~tmp~10, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~10;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1006#L91-2 __utac_acc__Specification2_spec__2_#t~ret73 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; 891#L995 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10);~methAndRunningLastTime~0 := 0; 892#L995-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 875#L764 assume { :end_inline_timeShift } true; 876#L311-3 [2018-11-18 16:01:41,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,681 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 16:01:41,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:41,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,722 INFO L82 PathProgramCache]: Analyzing trace with hash 774498070, now seen corresponding path program 1 times [2018-11-18 16:01:41,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,723 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:01:41,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:41,760 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 16:01:41,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:41,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:01:41,761 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:01:41,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:01:41,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:01:41,762 INFO L87 Difference]: Start difference. First operand 241 states and 322 transitions. cyclomatic complexity: 84 Second operand 3 states. [2018-11-18 16:01:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:41,828 INFO L93 Difference]: Finished difference Result 303 states and 388 transitions. [2018-11-18 16:01:41,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:01:41,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 388 transitions. [2018-11-18 16:01:41,830 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2018-11-18 16:01:41,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 303 states and 388 transitions. [2018-11-18 16:01:41,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2018-11-18 16:01:41,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2018-11-18 16:01:41,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 388 transitions. [2018-11-18 16:01:41,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:01:41,833 INFO L705 BuchiCegarLoop]: Abstraction has 303 states and 388 transitions. [2018-11-18 16:01:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 388 transitions. [2018-11-18 16:01:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-11-18 16:01:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-11-18 16:01:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 388 transitions. [2018-11-18 16:01:41,842 INFO L728 BuchiCegarLoop]: Abstraction has 303 states and 388 transitions. [2018-11-18 16:01:41,842 INFO L608 BuchiCegarLoop]: Abstraction has 303 states and 388 transitions. [2018-11-18 16:01:41,842 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:01:41,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 388 transitions. [2018-11-18 16:01:41,844 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2018-11-18 16:01:41,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:41,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:41,845 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:41,845 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 16:01:41,846 INFO L794 eck$LassoCheckResult]: Stem: 1584#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~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1410#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; 1411#L286 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1498#L279 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 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1499#L294 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 1594#L250 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1489#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1446#L984 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1447#L311-3 [2018-11-18 16:01:41,846 INFO L796 eck$LassoCheckResult]: Loop: 1447#L311-3 assume true; 1580#L311-1 assume !false; 1483#L312 assume test_~splverifierCounter~0 < 4; 1484#L313 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 1401#L321 assume !(0 != test_~tmp~1); 1403#L321-2 test_~tmp___0~0 := test_#t~nondet13;havoc test_#t~nondet13; 1409#L331 assume !(0 != test_~tmp___0~0); 1497#L331-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 1597#L341 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1595#L974 assume { :end_inline_startSystem } true; 1596#L349-2 assume { :begin_inline_timeShift } true; 1491#L747 assume !(0 != ~pumpRunning~0); 1466#L747-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1467#L805 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1474#L779-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret71, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1427#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1428#L136-1 isHighWaterLevel_#t~ret71 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret71;havoc isHighWaterLevel_#t~ret71; 1452#L925-3 assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; 1533#L925-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1505#L931-1 processEnvironment__wrappee__highWaterSensor_#t~ret51 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret51;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51; 1453#L783-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1455#L771-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1540#L779-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1436#L805-1 assume { :end_inline_processEnvironment } true; 1437#L754-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_#t~ret74, __utac_acc__Specification2_spec__2_~tmp~10, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~10;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1564#L91-2 __utac_acc__Specification2_spec__2_#t~ret73 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; 1441#L995 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10);~methAndRunningLastTime~0 := 0; 1442#L995-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1451#L764 assume { :end_inline_timeShift } true; 1447#L311-3 [2018-11-18 16:01:41,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,846 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 16:01:41,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:41,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:41,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:41,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1363218444, now seen corresponding path program 1 times [2018-11-18 16:01:41,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:41,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:41,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,883 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:01:41,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:41,902 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 16:01:41,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:41,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:01:41,902 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:01:41,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:01:41,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:01:41,903 INFO L87 Difference]: Start difference. First operand 303 states and 388 transitions. cyclomatic complexity: 88 Second operand 4 states. [2018-11-18 16:01:41,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:41,985 INFO L93 Difference]: Finished difference Result 592 states and 750 transitions. [2018-11-18 16:01:41,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:01:41,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 592 states and 750 transitions. [2018-11-18 16:01:41,990 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 430 [2018-11-18 16:01:41,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 592 states to 592 states and 750 transitions. [2018-11-18 16:01:41,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 592 [2018-11-18 16:01:41,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 592 [2018-11-18 16:01:41,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 592 states and 750 transitions. [2018-11-18 16:01:41,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:01:41,995 INFO L705 BuchiCegarLoop]: Abstraction has 592 states and 750 transitions. [2018-11-18 16:01:41,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states and 750 transitions. [2018-11-18 16:01:42,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 315. [2018-11-18 16:01:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-11-18 16:01:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 400 transitions. [2018-11-18 16:01:42,004 INFO L728 BuchiCegarLoop]: Abstraction has 315 states and 400 transitions. [2018-11-18 16:01:42,004 INFO L608 BuchiCegarLoop]: Abstraction has 315 states and 400 transitions. [2018-11-18 16:01:42,004 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 16:01:42,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 400 transitions. [2018-11-18 16:01:42,006 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 225 [2018-11-18 16:01:42,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:42,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:42,007 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:42,007 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 16:01:42,007 INFO L794 eck$LassoCheckResult]: Stem: 2495#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~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2319#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; 2320#L286 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2406#L279 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 := 1;valid_product_#res := valid_product_~retValue_acc~6; 2407#L294 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 2507#L250 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 2398#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 2356#L984 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2335#L311-3 [2018-11-18 16:01:42,008 INFO L796 eck$LassoCheckResult]: Loop: 2335#L311-3 assume true; 2459#L311-1 assume !false; 2593#L312 assume test_~splverifierCounter~0 < 4; 2594#L313 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 2596#L321 assume !(0 != test_~tmp~1); 2314#L321-2 test_~tmp___0~0 := test_#t~nondet13;havoc test_#t~nondet13; 2315#L331 assume !(0 != test_~tmp___0~0); 2401#L331-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 2402#L341 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2508#L974 assume { :end_inline_startSystem } true; 2509#L349-2 assume { :begin_inline_timeShift } true; 2584#L747 assume !(0 != ~pumpRunning~0); 2375#L747-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 2376#L805 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 2382#L779-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret71, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 2336#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 2337#L136-1 isHighWaterLevel_#t~ret71 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret71;havoc isHighWaterLevel_#t~ret71; 2360#L925-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 2444#L925-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 2413#L931-1 processEnvironment__wrappee__highWaterSensor_#t~ret51 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret51;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51; 2361#L783-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 2363#L771-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2452#L779-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2346#L805-1 assume { :end_inline_processEnvironment } true; 2347#L754-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_#t~ret74, __utac_acc__Specification2_spec__2_~tmp~10, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~10;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 2475#L91-2 __utac_acc__Specification2_spec__2_#t~ret73 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10 := __utac_acc__Specification2_spec__2_#t~ret73;havoc __utac_acc__Specification2_spec__2_#t~ret73; 2351#L995 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10);~methAndRunningLastTime~0 := 0; 2352#L995-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2334#L764 assume { :end_inline_timeShift } true; 2335#L311-3 [2018-11-18 16:01:42,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:42,008 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 16:01:42,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:42,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:42,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:42,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1105053006, now seen corresponding path program 1 times [2018-11-18 16:01:42,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:42,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:42,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,042 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:01:42,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:42,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2011469573, now seen corresponding path program 1 times [2018-11-18 16:01:42,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:42,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:42,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:42,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:42,225 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-18 16:03:09,182 WARN L180 SmtUtils]: Spent 1.45 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 16:03:49,162 WARN L180 SmtUtils]: Spent 39.97 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 16:03:49,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:03:49 BoogieIcfgContainer [2018-11-18 16:03:49,227 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:03:49,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:03:49,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:03:49,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:03:49,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:40" (3/4) ... [2018-11-18 16:03:49,230 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:03:49,272 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c470166b-0fc2-4acd-8a53-70c3dfd687e8/bin-2019/uautomizer/witness.graphml [2018-11-18 16:03:49,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:03:49,273 INFO L168 Benchmark]: Toolchain (without parser) took 129400.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,274 INFO L168 Benchmark]: CDTParser took 0.15 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 16:03:49,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,274 INFO L168 Benchmark]: Boogie Preprocessor took 26.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,275 INFO L168 Benchmark]: RCFGBuilder took 632.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,275 INFO L168 Benchmark]: BuchiAutomizer took 128298.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:03:49,275 INFO L168 Benchmark]: Witness Printer took 45.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:03:49,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 356.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 632.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 128298.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 315 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 128.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 127.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 629 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 315 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 778 SDtfs, 2033 SDslu, 1984 SDs, 0 SdLazy, 137 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 311]: 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, retValue_acc=0, "On"=0, ",Pump:"=0, "libacc.c"=0, "Env(Water:%i"=23, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=37, tmp=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "OK"=19, "Off"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1911e904=0, "On"=28, "Pump(System:"=34, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49ac4a59=0, tmp___0=0, ") "=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bfb29cf=0, ") "=24, tmp___1=0, "__utac__get_this_arg"=15, "__utac__get_this_arg"=8, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=17, tmp=0, "__utac__get_this_argtype"=26, tmp=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "On"=33, \result=0, "libacc.c"=36, "libacc.c"=38, tmp___0=0, "Off"=31, "On"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, "__utac__get_this_arg"=0, "Off"=27, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@166c9928=0, "\n"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7896c5b6=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=16, \result=1, "__utac__get_this_argtype"=35, retValue_acc=1, retValue_acc=0, "CRIT"=20, tmp___0=0, tmp=1, tmp___2=161, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, methAndRunningLastTime=0, \result=0, ")"=18, "\n"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2905cf8d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@258ff36a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d139150=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@328b8287=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30790fd8=0, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, ",Meth:"=22, "i > 0 && i <= this->argsCount"=11, ",Pump:"=29, "__utac__get_this_argtype"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 311]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L667] FCALL "i > 0 && i <= this->argsCount" [L667] FCALL "libacc.c" [L668] FCALL "__utac__get_this_arg" [L674] FCALL "i > 0 && i <= this->argsCount" [L674] FCALL "libacc.c" [L675] FCALL "__utac__get_this_arg" [L713] FCALL "i > 0 && i <= this->argsCount" [L713] FCALL "libacc.c" [L714] FCALL "__utac__get_this_argtype" [L720] FCALL "i > 0 && i <= this->argsCount" [L720] FCALL "libacc.c" [L721] FCALL "__utac__get_this_argtype" [L885] FCALL "Pump(System:" [L889] FCALL "On" [L893] FCALL "Off" [L897] FCALL ",Pump:" [L901] FCALL "On" [L905] FCALL "Off" [L909] FCALL ") " [L911] FCALL "\n" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L160] int cleanupTimeShifts = 4; [L739] int pumpRunning = 0; [L740] int systemActive = 1; [L978] int methAndRunningLastTime ; [L539] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L241] int retValue_acc ; [L242] int tmp ; [L246] FCALL select_helpers() [L247] FCALL select_features() [L248] CALL, EXPR valid_product() [L290] int retValue_acc ; [L293] retValue_acc = 1 [L294] RET return (retValue_acc); [L248] EXPR valid_product() [L248] tmp = valid_product() [L250] COND TRUE \read(tmp) [L252] FCALL setup() [L253] CALL runTest() [L231] CALL __utac_acc__Specification2_spec__1() [L983] RET methAndRunningLastTime = 0 [L231] __utac_acc__Specification2_spec__1() [L232] CALL test() [L302] int splverifierCounter ; [L303] int tmp ; [L304] int tmp___0 ; [L305] int tmp___1 ; [L306] int tmp___2 ; [L309] splverifierCounter = 0 Loop: [L311] COND TRUE 1 [L313] COND TRUE splverifierCounter < 4 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L329] tmp___0 = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp___0)) [L339] tmp___2 = __VERIFIER_nondet_int() [L341] COND TRUE \read(tmp___2) [L343] CALL startSystem() [L973] RET systemActive = 1 [L343] startSystem() [L358] CALL timeShift() [L747] COND FALSE !(\read(pumpRunning)) [L754] COND TRUE \read(systemActive) [L756] CALL processEnvironment() [L802] int tmp ; [L805] COND FALSE !(\read(pumpRunning)) [L820] CALL processEnvironment__wrappee__highWaterSensor() [L776] int tmp ; [L779] COND TRUE ! pumpRunning [L781] CALL, EXPR isHighWaterLevel() [L917] int retValue_acc ; [L918] int tmp ; [L919] int tmp___0 ; [L923] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L923] EXPR isHighWaterSensorDry() [L923] tmp = isHighWaterSensorDry() [L925] COND TRUE \read(tmp) [L926] tmp___0 = 0 [L930] retValue_acc = tmp___0 [L931] RET return (retValue_acc); [L781] EXPR isHighWaterLevel() [L781] tmp = isHighWaterLevel() [L783] COND FALSE !(\read(tmp)) [L789] RET, FCALL processEnvironment__wrappee__base() [L820] RET processEnvironment__wrappee__highWaterSensor() [L756] processEnvironment() [L762] CALL __utac_acc__Specification2_spec__2() [L988] int tmp ; [L989] int tmp___0 ; [L993] CALL, EXPR isMethaneLevelCritical() [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] RET return (retValue_acc); [L993] EXPR isMethaneLevelCritical() [L993] tmp = isMethaneLevelCritical() [L995] COND FALSE !(\read(tmp)) [L1011] RET methAndRunningLastTime = 0 [L762] RET __utac_acc__Specification2_spec__2() [L358] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...