./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_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_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/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 bf8906b0b730189db64c3dc46780e4460503fe36 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:37:39,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:37:39,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:37:39,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:37:39,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:37:39,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:37:39,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:37:39,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:37:39,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:37:39,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:37:39,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:37:39,344 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:37:39,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:37:39,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:37:39,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:37:39,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:37:39,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:37:39,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:37:39,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:37:39,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:37:39,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:37:39,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:37:39,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:37:39,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:37:39,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:37:39,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:37:39,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:37:39,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:37:39,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:37:39,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:37:39,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:37:39,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:37:39,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:37:39,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:37:39,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:37:39,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:37:39,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:37:39,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:37:39,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:37:39,371 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:37:39,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:37:39,372 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:37:39,372 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:37:39,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:37:39,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:37:39,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:37:39,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:37:39,374 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:37:39,375 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:37:39,375 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:37:39,375 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_423b47cf-42f4-42c1-905a-f49583b50ea3/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-11-18 14:37:39,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:37:39,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:37:39,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:37:39,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:37:39,412 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:37:39,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:37:39,451 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/data/a18e5e01e/78ac7b8e3fb645e2869f03b32ee27a03/FLAGaace351a5 [2018-11-18 14:37:39,879 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:37:39,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:37:39,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/data/a18e5e01e/78ac7b8e3fb645e2869f03b32ee27a03/FLAGaace351a5 [2018-11-18 14:37:39,898 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/data/a18e5e01e/78ac7b8e3fb645e2869f03b32ee27a03 [2018-11-18 14:37:39,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:37:39,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:37:39,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:37:39,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:37:39,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:37:39,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:37:39" (1/1) ... [2018-11-18 14:37:39,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb595a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:39, skipping insertion in model container [2018-11-18 14:37:39,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:37:39" (1/1) ... [2018-11-18 14:37:39,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:37:39,949 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:37:40,143 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:37:40,151 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:37:40,256 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:37:40,277 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:37:40,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40 WrapperNode [2018-11-18 14:37:40,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:37:40,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:37:40,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:37:40,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:37:40,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:37:40,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:37:40,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:37:40,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:37:40,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... [2018-11-18 14:37:40,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:37:40,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:37:40,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:37:40,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:37:40,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/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 14:37:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:37:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:37:41,043 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:37:41,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:37:41 BoogieIcfgContainer [2018-11-18 14:37:41,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:37:41,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:37:41,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:37:41,047 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:37:41,047 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:37:41,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:37:39" (1/3) ... [2018-11-18 14:37:41,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11483628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:37:41, skipping insertion in model container [2018-11-18 14:37:41,048 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:37:41,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:37:40" (2/3) ... [2018-11-18 14:37:41,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11483628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:37:41, skipping insertion in model container [2018-11-18 14:37:41,049 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:37:41,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:37:41" (3/3) ... [2018-11-18 14:37:41,050 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-18 14:37:41,084 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:37:41,084 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:37:41,084 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:37:41,084 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:37:41,084 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:37:41,084 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:37:41,085 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:37:41,085 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:37:41,085 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:37:41,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 278 states. [2018-11-18 14:37:41,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2018-11-18 14:37:41,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:37:41,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:37:41,132 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,132 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,132 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:37:41,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 278 states. [2018-11-18 14:37:41,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2018-11-18 14:37:41,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:37:41,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:37:41,139 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,140 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,143 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5#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; 240#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 210#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 117#L82true main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 217#L975true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 107#L952true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 273#L101-3true [2018-11-18 14:37:41,143 INFO L796 eck$LassoCheckResult]: Loop: 273#L101-3true assume true; 279#L101-1true assume !false; 218#L102true assume test_~splverifierCounter~0 < 4; 25#L103true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 202#L111true assume !(0 != test_~tmp~0); 208#L111-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 101#L121true assume !(0 != test_~tmp___0~0); 94#L121-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 15#L131true assume 0 != test_~tmp___2~0; 114#L137-2true assume { :begin_inline_timeShift } true; 250#L173true assume !(0 != ~pumpRunning~0); 245#L173-2true assume !(0 != ~systemActive~0); 31#L180-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 60#L433-1true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 204#L502true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 183#L508-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 221#L190true assume { :end_inline_timeShift } true; 273#L101-3true [2018-11-18 14:37:41,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:37:41,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:41,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1224597243, now seen corresponding path program 1 times [2018-11-18 14:37:41,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:41,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,322 INFO L82 PathProgramCache]: Analyzing trace with hash 2138688449, now seen corresponding path program 1 times [2018-11-18 14:37:41,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:41,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:37:41,479 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 14:37:41,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:37:41,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:37:41,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:37:41,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:37:41,575 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 6 states. [2018-11-18 14:37:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:37:41,716 INFO L93 Difference]: Finished difference Result 275 states and 366 transitions. [2018-11-18 14:37:41,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:37:41,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 366 transitions. [2018-11-18 14:37:41,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 14:37:41,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 265 states and 356 transitions. [2018-11-18 14:37:41,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2018-11-18 14:37:41,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2018-11-18 14:37:41,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 356 transitions. [2018-11-18 14:37:41,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:37:41,730 INFO L705 BuchiCegarLoop]: Abstraction has 265 states and 356 transitions. [2018-11-18 14:37:41,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 356 transitions. [2018-11-18 14:37:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-11-18 14:37:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-11-18 14:37:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 356 transitions. [2018-11-18 14:37:41,760 INFO L728 BuchiCegarLoop]: Abstraction has 265 states and 356 transitions. [2018-11-18 14:37:41,760 INFO L608 BuchiCegarLoop]: Abstraction has 265 states and 356 transitions. [2018-11-18 14:37:41,760 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:37:41,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 356 transitions. [2018-11-18 14:37:41,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 14:37:41,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:37:41,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:37:41,764 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,764 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,764 INFO L794 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 576#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; 577#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 815#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 742#L82 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 743#L975 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 728#L952 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 729#L101-3 [2018-11-18 14:37:41,764 INFO L796 eck$LassoCheckResult]: Loop: 729#L101-3 assume true; 834#L101-1 assume !false; 823#L102 assume test_~splverifierCounter~0 < 4; 607#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 608#L111 assume !(0 != test_~tmp~0); 809#L111-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 717#L121 assume !(0 != test_~tmp___0~0); 706#L121-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 593#L131 assume 0 != test_~tmp___2~0; 594#L137-2 assume { :begin_inline_timeShift } true; 735#L173 assume !(0 != ~pumpRunning~0); 751#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 649#L257 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret8, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 650#L433 isMethaneAlarm_#t~ret8 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret8;havoc isMethaneAlarm_#t~ret8;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; 655#L301 processEnvironment_#t~ret7 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret7;havoc processEnvironment_#t~ret7; 657#L261 assume 0 != processEnvironment_~tmp~3;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 778#L291 assume { :end_inline_deactivatePump } true; 643#L257-1 assume { :end_inline_processEnvironment } true; 618#L180-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 619#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 658#L502 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 689#L508-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 798#L190 assume { :end_inline_timeShift } true; 729#L101-3 [2018-11-18 14:37:41,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:37:41,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:41,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,814 INFO L82 PathProgramCache]: Analyzing trace with hash -917626450, now seen corresponding path program 1 times [2018-11-18 14:37:41,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,815 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:37:41,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:37:41,849 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 14:37:41,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:37:41,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:37:41,850 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:37:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:37:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:37:41,851 INFO L87 Difference]: Start difference. First operand 265 states and 356 transitions. cyclomatic complexity: 93 Second operand 3 states. [2018-11-18 14:37:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:37:41,942 INFO L93 Difference]: Finished difference Result 283 states and 360 transitions. [2018-11-18 14:37:41,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:37:41,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 360 transitions. [2018-11-18 14:37:41,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196 [2018-11-18 14:37:41,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 360 transitions. [2018-11-18 14:37:41,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2018-11-18 14:37:41,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2018-11-18 14:37:41,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 360 transitions. [2018-11-18 14:37:41,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:37:41,949 INFO L705 BuchiCegarLoop]: Abstraction has 283 states and 360 transitions. [2018-11-18 14:37:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 360 transitions. [2018-11-18 14:37:41,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-11-18 14:37:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 14:37:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 360 transitions. [2018-11-18 14:37:41,958 INFO L728 BuchiCegarLoop]: Abstraction has 283 states and 360 transitions. [2018-11-18 14:37:41,958 INFO L608 BuchiCegarLoop]: Abstraction has 283 states and 360 transitions. [2018-11-18 14:37:41,958 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:37:41,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 360 transitions. [2018-11-18 14:37:41,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196 [2018-11-18 14:37:41,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:37:41,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:37:41,961 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:41,961 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] [2018-11-18 14:37:41,961 INFO L794 eck$LassoCheckResult]: Stem: 1223#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1127#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; 1128#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1318#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1256#L82 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 1257#L975 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1249#L952 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1250#L101-3 [2018-11-18 14:37:41,962 INFO L796 eck$LassoCheckResult]: Loop: 1250#L101-3 assume true; 1344#L101-1 assume !false; 1326#L102 assume test_~splverifierCounter~0 < 4; 1151#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 1152#L111 assume !(0 != test_~tmp~0); 1314#L111-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 1240#L121 assume !(0 != test_~tmp___0~0); 1229#L121-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1137#L131 assume 0 != test_~tmp___2~0; 1138#L137-2 assume { :begin_inline_timeShift } true; 1251#L173 assume !(0 != ~pumpRunning~0); 1337#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1180#L257 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1181#L231-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1207#L205-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1258#L473-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1259#L478-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1285#L359-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1302#L359-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1301#L365-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 1195#L209-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1129#L197-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1130#L205-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1242#L231-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1174#L257-1 assume { :end_inline_processEnvironment } true; 1159#L180-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1160#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1188#L502 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 1216#L508-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1304#L190 assume { :end_inline_timeShift } true; 1250#L101-3 [2018-11-18 14:37:41,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 14:37:41,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:41,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:41,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:41,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:41,999 INFO L82 PathProgramCache]: Analyzing trace with hash 700706158, now seen corresponding path program 1 times [2018-11-18 14:37:41,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:41,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:42,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,004 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:37:42,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:42,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1097897010, now seen corresponding path program 1 times [2018-11-18 14:37:42,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:42,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:42,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:42,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:37:42,074 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 14:37:42,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:37:42,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:37:42,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:37:42,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:37:42,188 INFO L87 Difference]: Start difference. First operand 283 states and 360 transitions. cyclomatic complexity: 79 Second operand 5 states. [2018-11-18 14:37:42,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:37:42,325 INFO L93 Difference]: Finished difference Result 977 states and 1236 transitions. [2018-11-18 14:37:42,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:37:42,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 977 states and 1236 transitions. [2018-11-18 14:37:42,333 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 710 [2018-11-18 14:37:42,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 977 states to 977 states and 1236 transitions. [2018-11-18 14:37:42,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 977 [2018-11-18 14:37:42,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 977 [2018-11-18 14:37:42,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 977 states and 1236 transitions. [2018-11-18 14:37:42,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:37:42,342 INFO L705 BuchiCegarLoop]: Abstraction has 977 states and 1236 transitions. [2018-11-18 14:37:42,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states and 1236 transitions. [2018-11-18 14:37:42,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 559. [2018-11-18 14:37:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2018-11-18 14:37:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 705 transitions. [2018-11-18 14:37:42,359 INFO L728 BuchiCegarLoop]: Abstraction has 559 states and 705 transitions. [2018-11-18 14:37:42,359 INFO L608 BuchiCegarLoop]: Abstraction has 559 states and 705 transitions. [2018-11-18 14:37:42,359 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 14:37:42,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 559 states and 705 transitions. [2018-11-18 14:37:42,362 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 392 [2018-11-18 14:37:42,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:37:42,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:37:42,363 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:37:42,363 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] [2018-11-18 14:37:42,363 INFO L794 eck$LassoCheckResult]: Stem: 2505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2407#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; 2408#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2614#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2538#L82 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 2539#L975 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 2531#L952 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2532#L101-3 [2018-11-18 14:37:42,364 INFO L796 eck$LassoCheckResult]: Loop: 2532#L101-3 assume true; 2645#L101-1 assume !false; 2623#L102 assume test_~splverifierCounter~0 < 4; 2429#L103 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 2430#L111 assume !(0 != test_~tmp~0); 2609#L111-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 2522#L121 assume !(0 != test_~tmp___0~0); 2511#L121-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 2415#L131 assume 0 != test_~tmp___2~0; 2416#L137-2 assume { :begin_inline_timeShift } true; 2535#L173 assume !(0 != ~pumpRunning~0); 2635#L173-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2636#L257 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 2896#L231-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 2950#L205-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 2949#L473-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 2568#L478-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 2569#L359-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 2589#L359-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 2588#L365-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 2476#L209-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2405#L197-6 assume { :end_inline_processEnvironment__wrappee__base } true; 2406#L205-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2524#L231-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2452#L257-1 assume { :end_inline_processEnvironment } true; 2433#L180-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 2434#L433-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 2612#L502 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 2613#L465 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 2590#L508 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 2498#L508-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2592#L190 assume { :end_inline_timeShift } true; 2532#L101-3 [2018-11-18 14:37:42,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:42,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 14:37:42,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:42,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:42,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:42,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:42,407 INFO L82 PathProgramCache]: Analyzing trace with hash -929990303, now seen corresponding path program 1 times [2018-11-18 14:37:42,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:42,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:42,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,408 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:37:42,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:37:42,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1481670875, now seen corresponding path program 1 times [2018-11-18 14:37:42,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:37:42,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:37:42,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:37:42,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:37:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:37:42,611 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-18 14:39:00,097 WARN L180 SmtUtils]: Spent 1.29 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:39:41,587 WARN L180 SmtUtils]: Spent 41.49 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:39:41,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:39:41 BoogieIcfgContainer [2018-11-18 14:39:41,646 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:39:41,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:39:41,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:39:41,647 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:39:41,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:37:41" (3/4) ... [2018-11-18 14:39:41,649 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:39:41,692 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_423b47cf-42f4-42c1-905a-f49583b50ea3/bin-2019/uautomizer/witness.graphml [2018-11-18 14:39:41,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:39:41,693 INFO L168 Benchmark]: Toolchain (without parser) took 121792.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 341.3 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,694 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:39:41,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,694 INFO L168 Benchmark]: Boogie Preprocessor took 36.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,694 INFO L168 Benchmark]: RCFGBuilder took 673.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,695 INFO L168 Benchmark]: BuchiAutomizer took 120602.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -166.6 MB). Peak memory consumption was 297.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,695 INFO L168 Benchmark]: Witness Printer took 46.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:39:41,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 673.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 120602.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -166.6 MB). Peak memory consumption was 297.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 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 6 locations. The remainder module has 559 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 120.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 119.9s. 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, 418 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 559 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1073 SDtfs, 2388 SDslu, 1468 SDs, 0 SdLazy, 123 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 101]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4744f988=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@650693d3=0, "Pump(System:"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56f8083=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@298efb2=0, "libacc.c"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a70a4b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@527fa86c=158, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@641652c5=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14c42be5=0, methaneLevelCritical=0, retValue_acc=0, "libacc.c"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "Off"=23, ")"=15, cleanupTimeShifts=4, tmp=0, "Off"=27, tmp=1, tmp=0, waterLevel=1, ",Meth:"=0, "i > 0 && i <= this->argsCount"=14, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f9e11b0=0, tmp___0=0, "__utac__get_this_arg"=12, \result=1, head=0, pumpRunning=0, retValue_acc=1, ")"=0, "i > 0 && i <= this->argsCount"=0, "OK"=0, \result=1, "i > 0 && i <= this->argsCount"=33, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a28d984=0, retValue_acc=1, ",Meth:"=18, "libacc.c"=11, tmp=0, head=0, "Env(Water:%i"=0, "\n"=20, "CRIT"=17, "libacc.c"=38, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=31, "__utac__get_this_argtype"=39, tmp=0, tmp___0=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df39ef0=0, "Env(Water:%i"=19, tmp=0, "OK"=16, tmp___0=1, NULL=0, systemActive=1, "__utac__get_this_argtype"=36, \result=1, "CRIT"=0, "Off"=0, retValue_acc=0, "On"=28, \result=0, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "On"=24, \result=0, ",Pump:"=0, "On"=0, "i > 0 && i <= this->argsCount"=37, ") "=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6de8b5e7=0, retValue_acc=1, tmp___2=158, splverifierCounter=0, "libacc.c"=0, \result=0, "i > 0 && i <= this->argsCount"=34, tmp___1=0, "\n"=0, "Off"=0, ",Pump:"=26, ") "=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 101]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L319] FCALL "Pump(System:" [L323] FCALL "On" [L327] FCALL "Off" [L331] FCALL ",Pump:" [L335] FCALL "On" [L339] FCALL "Off" [L343] FCALL ") " [L345] FCALL "\n" [L442] FCALL "Env(Water:%i" [L443] FCALL ",Meth:" [L447] FCALL "CRIT" [L451] FCALL "OK" [L455] FCALL ")" [L824] FCALL "i > 0 && i <= this->argsCount" [L824] FCALL "libacc.c" [L825] FCALL "__utac__get_this_arg" [L831] FCALL "i > 0 && i <= this->argsCount" [L831] FCALL "libacc.c" [L832] FCALL "__utac__get_this_arg" [L870] FCALL "i > 0 && i <= this->argsCount" [L870] FCALL "libacc.c" [L871] FCALL "__utac__get_this_argtype" [L877] FCALL "i > 0 && i <= this->argsCount" [L877] FCALL "libacc.c" [L878] FCALL "__utac__get_this_argtype" [L165] int pumpRunning = 0; [L166] int systemActive = 1; [L390] int waterLevel = 1; [L391] int methaneLevelCritical = 0; [L893] int cleanupTimeShifts = 4; [L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L966] int retValue_acc ; [L967] int tmp ; [L971] FCALL select_helpers() [L972] FCALL select_features() [L973] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L973] EXPR valid_product() [L973] tmp = valid_product() [L975] COND TRUE \read(tmp) [L977] FCALL setup() [L978] CALL runTest() [L960] CALL test() [L92] int splverifierCounter ; [L93] int tmp ; [L94] int tmp___0 ; [L95] int tmp___1 ; [L96] int tmp___2 ; [L99] splverifierCounter = 0 Loop: [L101] COND TRUE 1 [L103] COND TRUE splverifierCounter < 4 [L109] tmp = __VERIFIER_nondet_int() [L111] COND FALSE !(\read(tmp)) [L119] tmp___0 = __VERIFIER_nondet_int() [L121] COND FALSE !(\read(tmp___0)) [L129] tmp___2 = __VERIFIER_nondet_int() [L131] COND TRUE \read(tmp___2) [L144] CALL timeShift() [L173] COND FALSE !(\read(pumpRunning)) [L180] COND TRUE \read(systemActive) [L182] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] CALL processEnvironment__wrappee__lowWaterSensor() [L228] int tmp ; [L231] COND FALSE !(\read(pumpRunning)) [L246] CALL processEnvironment__wrappee__highWaterSensor() [L202] int tmp ; [L205] COND TRUE ! pumpRunning [L207] CALL, EXPR isHighWaterLevel() [L351] int retValue_acc ; [L352] int tmp ; [L353] int tmp___0 ; [L357] CALL, EXPR isHighWaterSensorDry() [L470] int retValue_acc ; [L473] COND TRUE waterLevel < 2 [L474] retValue_acc = 1 [L475] RET return (retValue_acc); [L357] EXPR isHighWaterSensorDry() [L357] tmp = isHighWaterSensorDry() [L359] COND TRUE \read(tmp) [L360] tmp___0 = 0 [L364] retValue_acc = tmp___0 [L365] RET return (retValue_acc); [L207] EXPR isHighWaterLevel() [L207] tmp = isHighWaterLevel() [L209] COND FALSE !(\read(tmp)) [L215] RET, FCALL processEnvironment__wrappee__base() [L246] RET processEnvironment__wrappee__highWaterSensor() [L272] RET processEnvironment__wrappee__lowWaterSensor() [L182] processEnvironment() [L188] CALL __utac_acc__Specification3_spec__1() [L494] int tmp ; [L495] int tmp___0 ; [L496] int tmp___1 ; [L500] CALL, EXPR isMethaneLevelCritical() [L429] int retValue_acc ; [L432] retValue_acc = methaneLevelCritical [L433] RET return (retValue_acc); [L500] EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L506] CALL, EXPR getWaterLevel() [L461] int retValue_acc ; [L464] retValue_acc = waterLevel [L465] RET return (retValue_acc); [L506] EXPR getWaterLevel() [L506] tmp___0 = getWaterLevel() [L508] COND FALSE, RET !(tmp___0 == 2) [L188] RET __utac_acc__Specification3_spec__1() [L144] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...