./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-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_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/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 c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:01:30,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:01:30,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:01:30,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:01:30,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:01:30,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:01:30,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:01:30,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:01:30,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:01:30,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:01:30,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:01:30,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:01:30,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:01:30,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:01:30,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:01:30,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:01:30,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:01:30,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:01:30,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:01:30,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:01:30,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:01:30,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:01:30,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:01:30,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:01:30,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:01:30,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:01:30,317 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:01:30,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:01:30,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:01:30,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:01:30,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:01:30,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:01:30,320 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:01:30,320 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:01:30,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:01:30,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:01:30,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:01:30,332 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:01:30,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:01:30,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:01:30,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:01:30,333 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:01:30,333 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:01:30,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:01:30,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:01:30,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:01:30,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:01:30,335 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:01:30,336 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:01:30,336 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:01:30,336 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_462f0844-37b5-4951-9d64-3cd835e2f0af/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 -> c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 [2018-11-18 11:01:30,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:01:30,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:01:30,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:01:30,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:01:30,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:01:30,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-11-18 11:01:30,406 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/data/5033e9d09/e8347d07e64c4bacb63dcac854e7e3e4/FLAGc20d8f954 [2018-11-18 11:01:30,840 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:01:30,841 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-11-18 11:01:30,847 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/data/5033e9d09/e8347d07e64c4bacb63dcac854e7e3e4/FLAGc20d8f954 [2018-11-18 11:01:30,856 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/data/5033e9d09/e8347d07e64c4bacb63dcac854e7e3e4 [2018-11-18 11:01:30,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:01:30,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:01:30,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:01:30,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:01:30,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:01:30,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:01:30" (1/1) ... [2018-11-18 11:01:30,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139921c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:30, skipping insertion in model container [2018-11-18 11:01:30,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:01:30" (1/1) ... [2018-11-18 11:01:30,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:01:30,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:01:31,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:01:31,106 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:01:31,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:01:31,217 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:01:31,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31 WrapperNode [2018-11-18 11:01:31,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:01:31,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:01:31,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:01:31,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:01:31,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:01:31,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:01:31,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:01:31,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:01:31,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... [2018-11-18 11:01:31,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:01:31,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:01:31,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:01:31,274 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:01:31,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/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 11:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:01:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:01:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:01:31,794 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:01:31,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:01:31 BoogieIcfgContainer [2018-11-18 11:01:31,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:01:31,795 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:01:31,795 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:01:31,798 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:01:31,799 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:01:31,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:01:30" (1/3) ... [2018-11-18 11:01:31,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b378f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:01:31, skipping insertion in model container [2018-11-18 11:01:31,800 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:01:31,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:01:31" (2/3) ... [2018-11-18 11:01:31,800 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b378f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:01:31, skipping insertion in model container [2018-11-18 11:01:31,800 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:01:31,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:01:31" (3/3) ... [2018-11-18 11:01:31,803 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-11-18 11:01:31,845 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:01:31,846 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:01:31,846 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:01:31,846 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:01:31,846 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:01:31,846 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:01:31,846 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:01:31,846 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:01:31,846 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:01:31,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states. [2018-11-18 11:01:31,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 11:01:31,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:01:31,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:01:31,886 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:31,886 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:31,886 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:01:31,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states. [2018-11-18 11:01:31,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 11:01:31,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:01:31,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:01:31,891 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:31,891 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:31,896 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 31#L532true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 105#L525true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 59#L540true main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 77#L658true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 41#L634true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 53#L683-3true [2018-11-18 11:01:31,896 INFO L796 eck$LassoCheckResult]: Loop: 53#L683-3true assume true; 73#L683-1true assume !false; 15#L684true assume test_~splverifierCounter~0 < 4; 94#L685true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 109#L693true assume !(0 != test_~tmp~5); 101#L693-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 29#L703true assume !(0 != test_~tmp___0~1); 18#L703-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 75#L713true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 99#L916true assume { :end_inline_startSystem } true; 91#L721-2true assume { :begin_inline_timeShift } true; 69#L749true assume !(0 != ~pumpRunning~0); 72#L749-2true assume !(0 != ~systemActive~0); 112#L756-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 21#L122true __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 3#L555true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 4#L555-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 33#L766true assume { :end_inline_timeShift } true; 53#L683-3true [2018-11-18 11:01:31,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:31,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:01:31,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:31,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:31,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:01:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1723153165, now seen corresponding path program 1 times [2018-11-18 11:01:32,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:01:32,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:01:32,081 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 11:01:32,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:01:32,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:01:32,086 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:01:32,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:01:32,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:01:32,098 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 3 states. [2018-11-18 11:01:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:01:32,136 INFO L93 Difference]: Finished difference Result 117 states and 149 transitions. [2018-11-18 11:01:32,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:01:32,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 149 transitions. [2018-11-18 11:01:32,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 11:01:32,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 107 states and 138 transitions. [2018-11-18 11:01:32,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2018-11-18 11:01:32,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2018-11-18 11:01:32,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 138 transitions. [2018-11-18 11:01:32,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:01:32,144 INFO L705 BuchiCegarLoop]: Abstraction has 107 states and 138 transitions. [2018-11-18 11:01:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 138 transitions. [2018-11-18 11:01:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 11:01:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 11:01:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 138 transitions. [2018-11-18 11:01:32,164 INFO L728 BuchiCegarLoop]: Abstraction has 107 states and 138 transitions. [2018-11-18 11:01:32,164 INFO L608 BuchiCegarLoop]: Abstraction has 107 states and 138 transitions. [2018-11-18 11:01:32,164 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:01:32,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 138 transitions. [2018-11-18 11:01:32,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 11:01:32,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:01:32,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:01:32,166 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:32,166 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] [2018-11-18 11:01:32,167 INFO L794 eck$LassoCheckResult]: Stem: 343#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 251#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 290#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 327#L540 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 328#L658 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 300#L634 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 293#L683-3 [2018-11-18 11:01:32,167 INFO L796 eck$LassoCheckResult]: Loop: 293#L683-3 assume true; 320#L683-1 assume !false; 267#L684 assume test_~splverifierCounter~0 < 4; 268#L685 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 347#L693 assume !(0 != test_~tmp~5); 253#L693-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 287#L703 assume !(0 != test_~tmp___0~1); 273#L703-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 274#L713 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 339#L916 assume { :end_inline_startSystem } true; 345#L721-2 assume { :begin_inline_timeShift } true; 336#L749 assume !(0 != ~pumpRunning~0); 286#L749-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 338#L781 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 346#L773-1 assume { :end_inline_processEnvironment__wrappee__base } true; 334#L781-1 assume { :end_inline_processEnvironment } true; 351#L756-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 278#L122 __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 246#L555 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 247#L555-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 249#L766 assume { :end_inline_timeShift } true; 293#L683-3 [2018-11-18 11:01:32,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:01:32,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:01:32,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,224 INFO L82 PathProgramCache]: Analyzing trace with hash 589289463, now seen corresponding path program 1 times [2018-11-18 11:01:32,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,225 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:01:32,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:01:32,250 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 11:01:32,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:01:32,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:01:32,251 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:01:32,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:01:32,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:01:32,251 INFO L87 Difference]: Start difference. First operand 107 states and 138 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 11:01:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:01:32,294 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2018-11-18 11:01:32,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:01:32,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 206 transitions. [2018-11-18 11:01:32,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 11:01:32,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 165 states and 206 transitions. [2018-11-18 11:01:32,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 165 [2018-11-18 11:01:32,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 165 [2018-11-18 11:01:32,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 206 transitions. [2018-11-18 11:01:32,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:01:32,298 INFO L705 BuchiCegarLoop]: Abstraction has 165 states and 206 transitions. [2018-11-18 11:01:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 206 transitions. [2018-11-18 11:01:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-18 11:01:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 11:01:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 206 transitions. [2018-11-18 11:01:32,303 INFO L728 BuchiCegarLoop]: Abstraction has 165 states and 206 transitions. [2018-11-18 11:01:32,303 INFO L608 BuchiCegarLoop]: Abstraction has 165 states and 206 transitions. [2018-11-18 11:01:32,303 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:01:32,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 206 transitions. [2018-11-18 11:01:32,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 11:01:32,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:01:32,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:01:32,305 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:32,305 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:01:32,305 INFO L794 eck$LassoCheckResult]: Stem: 630#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 529#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 569#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 609#L540 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 610#L658 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 579#L634 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 572#L683-3 [2018-11-18 11:01:32,305 INFO L796 eck$LassoCheckResult]: Loop: 572#L683-3 assume true; 600#L683-1 assume !false; 546#L684 assume test_~splverifierCounter~0 < 4; 547#L685 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 636#L693 assume !(0 != test_~tmp~5); 531#L693-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 566#L703 assume !(0 != test_~tmp___0~1); 552#L703-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 553#L713 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 626#L916 assume { :end_inline_startSystem } true; 632#L721-2 assume { :begin_inline_timeShift } true; 620#L749 assume !(0 != ~pumpRunning~0); 621#L749-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 624#L781 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 611#L130 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 612#L135 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 578#L901 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 558#L901-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 548#L907 processEnvironment_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6 := processEnvironment_#t~ret53;havoc processEnvironment_#t~ret53; 549#L785 assume !(0 != processEnvironment_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 614#L773 assume { :end_inline_processEnvironment__wrappee__base } true; 616#L781-1 assume { :end_inline_processEnvironment } true; 642#L756-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 557#L122 __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 524#L555 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 525#L555-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 527#L766 assume { :end_inline_timeShift } true; 572#L683-3 [2018-11-18 11:01:32,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:01:32,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:01:32,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,345 INFO L82 PathProgramCache]: Analyzing trace with hash -2139326241, now seen corresponding path program 1 times [2018-11-18 11:01:32,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:01:32,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:01:32,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1764038501, now seen corresponding path program 1 times [2018-11-18 11:01:32,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:01:32,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:01:32,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:01:32,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:01:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:01:32,538 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 11:02:34,225 WARN L180 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:03:05,682 WARN L180 SmtUtils]: Spent 31.46 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:03:05,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:03:05 BoogieIcfgContainer [2018-11-18 11:03:05,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:03:05,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:03:05,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:03:05,754 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:03:05,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:01:31" (3/4) ... [2018-11-18 11:03:05,756 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:03:05,816 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_462f0844-37b5-4951-9d64-3cd835e2f0af/bin-2019/uautomizer/witness.graphml [2018-11-18 11:03:05,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:03:05,817 INFO L168 Benchmark]: Toolchain (without parser) took 94958.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 955.5 MB in the beginning and 962.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:05,817 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:05,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:05,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:05,819 INFO L168 Benchmark]: Boogie Preprocessor took 21.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:05,819 INFO L168 Benchmark]: RCFGBuilder took 521.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:05,820 INFO L168 Benchmark]: BuchiAutomizer took 93957.88 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.9 MB). Free memory was 1.1 GB in the beginning and 962.9 MB in the end (delta: 94.7 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:05,820 INFO L168 Benchmark]: Witness Printer took 63.27 ms. Allocated memory is still 1.1 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:05,823 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 521.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 93957.88 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.9 MB). Free memory was 1.1 GB in the beginning and 962.9 MB in the end (delta: 94.7 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.27 ms. Allocated memory is still 1.1 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 165 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 93.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 93.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 165 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 284 SDtfs, 255 SDslu, 74 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 683]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=22, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ada17eb=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1947b702=0, "\n"=37, "libacc.c"=0, "OK"=18, "Off"=0, ",Pump:"=34, "libacc.c"=28, retValue_acc=0, "__utac__get_this_argtype"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1331b195=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d114d66=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137badba=165, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64775475=0, "i > 0 && i <= this->argsCount"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13fd5698=0, tmp___0=0, "On"=0, ") "=0, tmp=0, "libacc.c"=23, "__utac__get_this_arg"=11, "Off"=0, tmp___1=0, "libacc.c"=15, tmp___0=0, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=27, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_argtype"=24, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, ") "=38, \result=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a80f40d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6935d4c5=0, \result=0, "Pump(System:"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "Pump(System:"=31, \result=0, tmp=1, retValue_acc=1, "__utac__get_this_arg"=0, \result=1, "Off"=39, "Off"=33, retValue_acc=1, "\n"=0, tmp=1, retValue_acc=0, "CRIT"=19, tmp=1, tmp___2=165, "__utac__get_this_arg"=14, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "On"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=17, "On"=35, head=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=20, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=26, "On"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 683]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L438] FCALL "i > 0 && i <= this->argsCount" [L438] FCALL "libacc.c" [L439] FCALL "__utac__get_this_arg" [L445] FCALL "i > 0 && i <= this->argsCount" [L445] FCALL "libacc.c" [L446] FCALL "__utac__get_this_arg" [L484] FCALL "i > 0 && i <= this->argsCount" [L484] FCALL "libacc.c" [L485] FCALL "__utac__get_this_argtype" [L491] FCALL "i > 0 && i <= this->argsCount" [L491] FCALL "libacc.c" [L492] FCALL "__utac__get_this_argtype" [L861] FCALL "Pump(System:" [L865] FCALL "On" [L869] FCALL "Off" [L873] FCALL ",Pump:" [L877] FCALL "On" [L881] FCALL "Off" [L885] FCALL ") " [L887] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L573] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L649] int retValue_acc ; [L650] int tmp ; [L654] FCALL select_helpers() [L655] FCALL select_features() [L656] CALL, EXPR valid_product() [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] RET return (retValue_acc); [L656] EXPR valid_product() [L656] tmp = valid_product() [L658] COND TRUE \read(tmp) [L660] FCALL setup() [L661] CALL runTest() [L643] CALL test() [L674] int splverifierCounter ; [L675] int tmp ; [L676] int tmp___0 ; [L677] int tmp___1 ; [L678] int tmp___2 ; [L681] splverifierCounter = 0 Loop: [L683] COND TRUE 1 [L685] COND TRUE splverifierCounter < 4 [L691] tmp = __VERIFIER_nondet_int() [L693] COND FALSE !(\read(tmp)) [L701] tmp___0 = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp___0)) [L711] tmp___2 = __VERIFIER_nondet_int() [L713] COND TRUE \read(tmp___2) [L715] CALL startSystem() [L915] RET systemActive = 1 [L715] startSystem() [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND TRUE ! pumpRunning [L783] CALL, EXPR isHighWaterLevel() [L893] int retValue_acc ; [L894] int tmp ; [L895] int tmp___0 ; [L899] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] RET return (retValue_acc); [L899] EXPR isHighWaterSensorDry() [L899] tmp = isHighWaterSensorDry() [L901] COND TRUE \read(tmp) [L902] tmp___0 = 0 [L906] retValue_acc = tmp___0 [L907] RET return (retValue_acc); [L783] EXPR isHighWaterLevel() [L783] tmp = isHighWaterLevel() [L785] COND FALSE !(\read(tmp)) [L791] RET, FCALL processEnvironment__wrappee__base() [L758] processEnvironment() [L764] CALL __utac_acc__Specification4_spec__1() [L548] int tmp ; [L549] int tmp___0 ; [L553] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L553] EXPR getWaterLevel() [L553] tmp = getWaterLevel() [L555] COND FALSE, RET !(tmp == 0) [L764] RET __utac_acc__Specification4_spec__1() [L728] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...