./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product56_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_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/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 38247fcadf5b4c668eea6d964bf6488ba6812482 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:29:49,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:29:49,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:29:49,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:29:49,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:29:49,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:29:49,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:29:49,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:29:49,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:29:49,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:29:49,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:29:49,311 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:29:49,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:29:49,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:29:49,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:29:49,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:29:49,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:29:49,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:29:49,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:29:49,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:29:49,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:29:49,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:29:49,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:29:49,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:29:49,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:29:49,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:29:49,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:29:49,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:29:49,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:29:49,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:29:49,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:29:49,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:29:49,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:29:49,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:29:49,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:29:49,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:29:49,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:29:49,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:29:49,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:29:49,338 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:29:49,338 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:29:49,338 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:29:49,338 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:29:49,338 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:29:49,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:29:49,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:29:49,340 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:29:49,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:29:49,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:29:49,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:29:49,341 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:29:49,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:29:49,341 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:29:49,341 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:29:49,342 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:29:49,342 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_07db6ab6-5b68-4651-b5d7-0481f1d5940e/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 -> 38247fcadf5b4c668eea6d964bf6488ba6812482 [2018-11-18 13:29:49,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:29:49,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:29:49,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:29:49,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:29:49,373 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:29:49,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-11-18 13:29:49,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/data/4c2ebb643/9b8d8786a9d74a889bc0c0ff5973a1f2/FLAGcc254ee2f [2018-11-18 13:29:49,836 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:29:49,837 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/sv-benchmarks/c/product-lines/minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-11-18 13:29:49,843 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/data/4c2ebb643/9b8d8786a9d74a889bc0c0ff5973a1f2/FLAGcc254ee2f [2018-11-18 13:29:49,851 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/data/4c2ebb643/9b8d8786a9d74a889bc0c0ff5973a1f2 [2018-11-18 13:29:49,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:29:49,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:29:49,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:29:49,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:29:49,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:29:49,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:29:49" (1/1) ... [2018-11-18 13:29:49,860 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 01:29:49, skipping insertion in model container [2018-11-18 13:29:49,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:29:49" (1/1) ... [2018-11-18 13:29:49,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:29:49,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:29:50,086 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:29:50,094 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:29:50,194 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:29:50,216 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:29:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50 WrapperNode [2018-11-18 13:29:50,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:29:50,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:29:50,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:29:50,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:29:50,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:29:50,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:29:50,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:29:50,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:29:50,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... [2018-11-18 13:29:50,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:29:50,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:29:50,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:29:50,315 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:29:50,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/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 13:29:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:29:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:29:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:29:51,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:29:51,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:29:51 BoogieIcfgContainer [2018-11-18 13:29:51,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:29:51,120 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:29:51,120 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:29:51,123 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:29:51,123 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:29:51,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:29:49" (1/3) ... [2018-11-18 13:29:51,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce90912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:29:51, skipping insertion in model container [2018-11-18 13:29:51,124 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:29:51,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:29:50" (2/3) ... [2018-11-18 13:29:51,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce90912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:29:51, skipping insertion in model container [2018-11-18 13:29:51,125 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:29:51,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:29:51" (3/3) ... [2018-11-18 13:29:51,126 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product56_true-unreach-call_false-termination.cil.c [2018-11-18 13:29:51,158 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:29:51,159 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:29:51,159 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:29:51,159 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:29:51,159 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:29:51,159 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:29:51,159 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:29:51,159 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:29:51,159 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:29:51,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states. [2018-11-18 13:29:51,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 189 [2018-11-18 13:29:51,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:29:51,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:29:51,206 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,206 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,206 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:29:51,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states. [2018-11-18 13:29:51,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 189 [2018-11-18 13:29:51,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:29:51,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:29:51,214 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,214 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,218 INFO L794 eck$LassoCheckResult]: Stem: 103#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~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 21#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 224#L504true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 166#L497true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 101#L512true main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 102#L1024true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 87#L1000true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 82#L532true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 158#L420-3true [2018-11-18 13:29:51,219 INFO L796 eck$LassoCheckResult]: Loop: 158#L420-3true assume true; 155#L420-1true assume !false; 254#L421true assume test_~splverifierCounter~0 < 4; 92#L422true test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 215#L430true assume !(0 != test_~tmp~5); 218#L430-2true test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 110#L440true assume !(0 != test_~tmp___0~2); 116#L440-2true test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 53#L450true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 229#L405true assume { :end_inline_startSystem } true; 177#L458-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret37;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 25#L307true __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 247#L542true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 140#L170true assume !(0 != ~pumpRunning~0); 117#L170-2true assume !(0 != ~systemActive~0); 190#L177-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 271#L123true __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 246#L553true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 248#L553-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 100#L187true assume { :end_inline_timeShift } true; 158#L420-3true [2018-11-18 13:29:51,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:29:51,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,376 INFO L82 PathProgramCache]: Analyzing trace with hash -795797893, now seen corresponding path program 1 times [2018-11-18 13:29:51,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:51,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:51,416 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 13:29:51,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:29:51,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:29:51,420 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:29:51,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:29:51,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:29:51,430 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 3 states. [2018-11-18 13:29:51,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:51,495 INFO L93 Difference]: Finished difference Result 558 states and 746 transitions. [2018-11-18 13:29:51,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:29:51,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 746 transitions. [2018-11-18 13:29:51,504 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 368 [2018-11-18 13:29:51,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 538 states and 725 transitions. [2018-11-18 13:29:51,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 538 [2018-11-18 13:29:51,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2018-11-18 13:29:51,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 538 states and 725 transitions. [2018-11-18 13:29:51,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:29:51,517 INFO L705 BuchiCegarLoop]: Abstraction has 538 states and 725 transitions. [2018-11-18 13:29:51,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states and 725 transitions. [2018-11-18 13:29:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 535. [2018-11-18 13:29:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-18 13:29:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 721 transitions. [2018-11-18 13:29:51,554 INFO L728 BuchiCegarLoop]: Abstraction has 535 states and 721 transitions. [2018-11-18 13:29:51,554 INFO L608 BuchiCegarLoop]: Abstraction has 535 states and 721 transitions. [2018-11-18 13:29:51,554 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:29:51,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 535 states and 721 transitions. [2018-11-18 13:29:51,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 365 [2018-11-18 13:29:51,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:29:51,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:29:51,559 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,559 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] [2018-11-18 13:29:51,559 INFO L794 eck$LassoCheckResult]: Stem: 1008#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~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 887#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 888#L504 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1071#L497 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1006#L512 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 1007#L1024 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 988#L1000 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 984#L532 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 985#L420-3 [2018-11-18 13:29:51,560 INFO L796 eck$LassoCheckResult]: Loop: 985#L420-3 assume true; 1065#L420-1 assume !false; 1066#L421 assume test_~splverifierCounter~0 < 4; 1168#L422 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 1229#L430 assume !(0 != test_~tmp~5); 1227#L430-2 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 1225#L440 assume !(0 != test_~tmp___0~2); 1220#L440-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 1219#L450 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet35;havoc test_#t~nondet35; 1218#L458 assume !(0 != test_~tmp___1~0); 1143#L458-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret37;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 1216#L307 __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 1158#L542 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1054#L170 assume !(0 != ~pumpRunning~0); 1029#L170-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1030#L254 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret13, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;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; 1140#L91 isMethaneAlarm_#t~ret13 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret13;havoc isMethaneAlarm_#t~ret13;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; 1137#L298 processEnvironment_#t~ret12 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret12;havoc processEnvironment_#t~ret12; 1059#L258 assume 0 != processEnvironment_~tmp~2;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1060#L288-1 assume { :end_inline_deactivatePump } true; 1069#L254-1 assume { :end_inline_processEnvironment } true; 1101#L177-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1102#L123 __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 1197#L553 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 1159#L553-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1005#L187 assume { :end_inline_timeShift } true; 985#L420-3 [2018-11-18 13:29:51,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,560 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:29:51,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:51,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1604742830, now seen corresponding path program 1 times [2018-11-18 13:29:51,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,615 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:29:51,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:51,639 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 13:29:51,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:29:51,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:29:51,640 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:29:51,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:29:51,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:29:51,640 INFO L87 Difference]: Start difference. First operand 535 states and 721 transitions. cyclomatic complexity: 189 Second operand 3 states. [2018-11-18 13:29:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:51,765 INFO L93 Difference]: Finished difference Result 579 states and 740 transitions. [2018-11-18 13:29:51,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:29:51,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 579 states and 740 transitions. [2018-11-18 13:29:51,769 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 407 [2018-11-18 13:29:51,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 579 states to 579 states and 740 transitions. [2018-11-18 13:29:51,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 579 [2018-11-18 13:29:51,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 579 [2018-11-18 13:29:51,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 579 states and 740 transitions. [2018-11-18 13:29:51,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:29:51,772 INFO L705 BuchiCegarLoop]: Abstraction has 579 states and 740 transitions. [2018-11-18 13:29:51,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states and 740 transitions. [2018-11-18 13:29:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2018-11-18 13:29:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-11-18 13:29:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 740 transitions. [2018-11-18 13:29:51,787 INFO L728 BuchiCegarLoop]: Abstraction has 579 states and 740 transitions. [2018-11-18 13:29:51,787 INFO L608 BuchiCegarLoop]: Abstraction has 579 states and 740 transitions. [2018-11-18 13:29:51,787 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:29:51,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 579 states and 740 transitions. [2018-11-18 13:29:51,790 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 407 [2018-11-18 13:29:51,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:29:51,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:29:51,791 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,791 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:51,791 INFO L794 eck$LassoCheckResult]: Stem: 2092#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~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1996#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1997#L504 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2163#L497 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 2090#L512 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 2091#L1024 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 2077#L1000 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2072#L532 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2073#L420-3 [2018-11-18 13:29:51,791 INFO L796 eck$LassoCheckResult]: Loop: 2073#L420-3 assume true; 2156#L420-1 assume !false; 2157#L421 assume test_~splverifierCounter~0 < 4; 2080#L422 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 2081#L430 assume !(0 != test_~tmp~5); 2215#L430-2 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 2216#L440 assume !(0 != test_~tmp___0~2); 2112#L440-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 2113#L450 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2038#L405 assume { :end_inline_startSystem } true; 2173#L458-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret37;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 2002#L307 __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 2003#L542 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2141#L170 assume !(0 != ~pumpRunning~0); 2142#L170-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 2196#L254 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 2197#L228-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 2353#L202-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 2004#L131-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 2005#L136-3 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 2034#L356-9 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 2062#L356-11 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 2336#L362-3 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 2332#L206-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2333#L194-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2063#L202-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2064#L228-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2161#L254-1 assume { :end_inline_processEnvironment } true; 2182#L177-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 2183#L123 __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 2229#L553 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 2187#L553-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2089#L187 assume { :end_inline_timeShift } true; 2073#L420-3 [2018-11-18 13:29:51,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:29:51,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:51,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:51,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:51,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1154395405, now seen corresponding path program 1 times [2018-11-18 13:29:51,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:51,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:51,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,831 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:29:51,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:51,879 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 13:29:51,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:29:51,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:29:51,880 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:29:51,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:29:51,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:29:51,880 INFO L87 Difference]: Start difference. First operand 579 states and 740 transitions. cyclomatic complexity: 164 Second operand 5 states. [2018-11-18 13:29:52,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:52,065 INFO L93 Difference]: Finished difference Result 1698 states and 2121 transitions. [2018-11-18 13:29:52,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:29:52,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1698 states and 2121 transitions. [2018-11-18 13:29:52,075 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1099 [2018-11-18 13:29:52,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1698 states to 1698 states and 2121 transitions. [2018-11-18 13:29:52,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1698 [2018-11-18 13:29:52,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1698 [2018-11-18 13:29:52,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1698 states and 2121 transitions. [2018-11-18 13:29:52,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:29:52,087 INFO L705 BuchiCegarLoop]: Abstraction has 1698 states and 2121 transitions. [2018-11-18 13:29:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states and 2121 transitions. [2018-11-18 13:29:52,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1146. [2018-11-18 13:29:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-11-18 13:29:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1434 transitions. [2018-11-18 13:29:52,108 INFO L728 BuchiCegarLoop]: Abstraction has 1146 states and 1434 transitions. [2018-11-18 13:29:52,108 INFO L608 BuchiCegarLoop]: Abstraction has 1146 states and 1434 transitions. [2018-11-18 13:29:52,108 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 13:29:52,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1146 states and 1434 transitions. [2018-11-18 13:29:52,113 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 810 [2018-11-18 13:29:52,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:29:52,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:29:52,114 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:52,114 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:52,115 INFO L794 eck$LassoCheckResult]: Stem: 4382#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~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 4289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 4290#L504 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4447#L497 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4380#L512 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 4381#L1024 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 4365#L1000 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4361#L532 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4362#L420-3 [2018-11-18 13:29:52,115 INFO L796 eck$LassoCheckResult]: Loop: 4362#L420-3 assume true; 5171#L420-1 assume !false; 5168#L421 assume test_~splverifierCounter~0 < 4; 5167#L422 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 5165#L430 assume !(0 != test_~tmp~5); 5166#L430-2 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 5272#L440 assume !(0 != test_~tmp___0~2); 5270#L440-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 5269#L450 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet35;havoc test_#t~nondet35; 5267#L458 assume !(0 != test_~tmp___1~0); 4501#L458-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret37;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 5266#L307 __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 5257#L542 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 5253#L170 assume !(0 != ~pumpRunning~0); 5251#L170-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 5249#L254 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 5162#L228-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 5215#L202-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 5213#L131-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 5094#L136-3 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 5208#L356-9 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 5206#L356-11 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 5205#L362-3 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 5203#L206-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 5202#L194-6 assume { :end_inline_processEnvironment__wrappee__base } true; 5200#L202-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 5187#L228-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 5184#L254-1 assume { :end_inline_processEnvironment } true; 5182#L177-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 5181#L123 __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 5180#L553 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 5179#L307-1 __utac_acc__Specification5_spec__3_#t~ret39 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret39;havoc __utac_acc__Specification5_spec__3_#t~ret39; 5177#L557 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 5176#L553-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 5175#L187 assume { :end_inline_timeShift } true; 4362#L420-3 [2018-11-18 13:29:52,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:52,115 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 13:29:52,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:52,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:52,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:52,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:52,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1181668768, now seen corresponding path program 1 times [2018-11-18 13:29:52,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:52,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:52,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,150 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:29:52,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:52,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1710516521, now seen corresponding path program 1 times [2018-11-18 13:29:52,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:29:52,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:29:52,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:52,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:52,350 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2018-11-18 13:30:15,775 WARN L180 SmtUtils]: Spent 23.36 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:30:33,631 WARN L180 SmtUtils]: Spent 17.85 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:30:33,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:30:33 BoogieIcfgContainer [2018-11-18 13:30:33,703 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:30:33,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:30:33,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:30:33,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:30:33,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:29:51" (3/4) ... [2018-11-18 13:30:33,706 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:30:33,750 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07db6ab6-5b68-4651-b5d7-0481f1d5940e/bin-2019/uautomizer/witness.graphml [2018-11-18 13:30:33,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:30:33,751 INFO L168 Benchmark]: Toolchain (without parser) took 43896.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -224.9 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,751 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:30:33,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,752 INFO L168 Benchmark]: Boogie Preprocessor took 40.01 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 13:30:33,752 INFO L168 Benchmark]: RCFGBuilder took 805.52 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: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,752 INFO L168 Benchmark]: BuchiAutomizer took 42582.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -140.0 MB). Peak memory consumption was 299.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,752 INFO L168 Benchmark]: Witness Printer took 46.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:33,754 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.01 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 805.52 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: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42582.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -140.0 MB). Peak memory consumption was 299.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 1146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 41.9s. 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, 555 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1146 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1150 SDtfs, 1566 SDslu, 1527 SDs, 0 SdLazy, 172 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=16, "__utac__get_this_arg"=0, "libacc.c"=36, "OK"=11, "__utac__get_this_arg"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35867c17=0, tmp=0, "libacc.c"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "\n"=19, retValue_acc=0, "On"=23, cleanupTimeShifts=4, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b8c72e8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c79c7f5=0, "On"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12167781=0, "On"=0, ") "=0, waterLevel=1, "i > 0 && i <= this->argsCount"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@236e9bc4=0, "__utac__get_this_arg"=33, \result=1, retValue_acc=1, head=0, pumpRunning=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1284cf24=0, \result=1, "i > 0 && i <= this->argsCount"=29, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, tmp___0=0, ")"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16c5fd93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bab0b6b=0, "libacc.c"=18, tmp=0, head=0, ") "=20, "libacc.c"=31, "Pump(System:"=28, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=34, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a347ae5=0, tmp=0, tmp=1, tmp___0=0, "__utac__get_this_argtype"=0, tmp=0, switchedOnBeforeTS=0, "Off"=22, \result=0, "Off"=0, ",Pump:"=0, "\n"=0, NULL=0, systemActive=1, "__utac__get_this_argtype"=37, \result=1, \result=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, \result=0, tmp___0=0, ",Pump:"=24, "Off"=0, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cc143d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fb57b33=0, "i > 0 && i <= this->argsCount"=38, retValue_acc=1, "CRIT"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20fb7e6=0, tmp___2=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "libacc.c"=0, ")"=0, "OK"=0, "CRIT"=0, "i > 0 && i <= this->argsCount"=35, "Off"=26, ",Meth:"=15, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 420]: 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 ")" [L316] FCALL "Pump(System:" [L320] FCALL "On" [L324] FCALL "Off" [L328] FCALL ",Pump:" [L332] FCALL "On" [L336] FCALL "Off" [L340] FCALL ") " [L342] FCALL "\n" [L872] FCALL "i > 0 && i <= this->argsCount" [L872] FCALL "libacc.c" [L873] FCALL "__utac__get_this_arg" [L879] FCALL "i > 0 && i <= this->argsCount" [L879] FCALL "libacc.c" [L880] FCALL "__utac__get_this_arg" [L918] FCALL "i > 0 && i <= this->argsCount" [L918] FCALL "libacc.c" [L919] FCALL "__utac__get_this_argtype" [L925] FCALL "i > 0 && i <= this->argsCount" [L925] FCALL "libacc.c" [L926] FCALL "__utac__get_this_argtype" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L526] int switchedOnBeforeTS ; [L941] int cleanupTimeShifts = 4; [L744] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L1015] int retValue_acc ; [L1016] int tmp ; [L1020] FCALL select_helpers() [L1021] FCALL select_features() [L1022] CALL, EXPR valid_product() [L508] int retValue_acc ; [L511] retValue_acc = 1 [L512] RET return (retValue_acc); [L1022] EXPR valid_product() [L1022] tmp = valid_product() [L1024] COND TRUE \read(tmp) [L1026] FCALL setup() [L1027] CALL runTest() [L1008] CALL __utac_acc__Specification5_spec__1() [L531] RET switchedOnBeforeTS = 0 [L1008] __utac_acc__Specification5_spec__1() [L1009] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND FALSE !(\read(tmp___1)) [L467] CALL timeShift() [L168] CALL __utac_acc__Specification5_spec__2() [L540] CALL, EXPR isPumpRunning() [L303] int retValue_acc ; [L306] retValue_acc = pumpRunning [L307] RET return (retValue_acc); [L540] EXPR isPumpRunning() [L540] RET switchedOnBeforeTS = isPumpRunning() [L168] __utac_acc__Specification5_spec__2() [L170] COND FALSE !(\read(pumpRunning)) [L177] COND TRUE \read(systemActive) [L179] CALL processEnvironment() [L251] int tmp ; [L254] COND FALSE !(\read(pumpRunning)) [L269] CALL processEnvironment__wrappee__lowWaterSensor() [L225] int tmp ; [L228] COND FALSE !(\read(pumpRunning)) [L243] CALL processEnvironment__wrappee__highWaterSensor() [L199] int tmp ; [L202] COND TRUE ! pumpRunning [L204] CALL, EXPR isHighWaterLevel() [L348] int retValue_acc ; [L349] int tmp ; [L350] int tmp___0 ; [L354] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L354] EXPR isHighWaterSensorDry() [L354] tmp = isHighWaterSensorDry() [L356] COND TRUE \read(tmp) [L357] tmp___0 = 0 [L361] retValue_acc = tmp___0 [L362] RET return (retValue_acc); [L204] EXPR isHighWaterLevel() [L204] tmp = isHighWaterLevel() [L206] COND FALSE !(\read(tmp)) [L212] RET, FCALL processEnvironment__wrappee__base() [L243] RET processEnvironment__wrappee__highWaterSensor() [L269] RET processEnvironment__wrappee__lowWaterSensor() [L179] processEnvironment() [L185] CALL __utac_acc__Specification5_spec__3() [L546] int tmp ; [L547] int tmp___0 ; [L551] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] RET return (retValue_acc); [L551] EXPR getWaterLevel() [L551] tmp = getWaterLevel() [L553] COND TRUE tmp != 2 [L555] CALL, EXPR isPumpRunning() [L303] int retValue_acc ; [L306] retValue_acc = pumpRunning [L307] RET return (retValue_acc); [L555] EXPR isPumpRunning() [L555] tmp___0 = isPumpRunning() [L557] COND FALSE, RET !(\read(tmp___0)) [L185] RET __utac_acc__Specification5_spec__3() [L467] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...