./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_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_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ....................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:02:26,045 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:02:26,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:02:26,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:02:26,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:02:26,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:02:26,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:02:26,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:02:26,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:02:26,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:02:26,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:02:26,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:02:26,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:02:26,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:02:26,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:02:26,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:02:26,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:02:26,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:02:26,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:02:26,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:02:26,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:02:26,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:02:26,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:02:26,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:02:26,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:02:26,073 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:02:26,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:02:26,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:02:26,075 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:02:26,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:02:26,076 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:02:26,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:02:26,077 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:02:26,077 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:02:26,078 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:02:26,078 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:02:26,078 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:02:26,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:02:26,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:02:26,093 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:02:26,093 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:02:26,093 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:02:26,093 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:02:26,093 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:02:26,093 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:02:26,094 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:02:26,094 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:02:26,095 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:02:26,095 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:02:26,095 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:02:26,095 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:02:26,095 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:02:26,095 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:02:26,096 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:02:26,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:02:26,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:02:26,097 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:02:26,097 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:02:26,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:02:26,097 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:02:26,100 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:02:26,100 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:02:26,101 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_9b708f32-b278-46d2-8849-86d565c343be/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2018-11-18 09:02:26,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:02:26,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:02:26,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:02:26,139 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:02:26,139 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:02:26,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:26,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/data/e60328cc5/1e74c290fbb948829952dfaf2208bf15/FLAGcf3b77842 [2018-11-18 09:02:26,571 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:02:26,571 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:26,580 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/data/e60328cc5/1e74c290fbb948829952dfaf2208bf15/FLAGcf3b77842 [2018-11-18 09:02:26,592 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/data/e60328cc5/1e74c290fbb948829952dfaf2208bf15 [2018-11-18 09:02:26,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:02:26,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:02:26,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:26,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:02:26,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:02:26,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:26, skipping insertion in model container [2018-11-18 09:02:26,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:26" (1/1) ... [2018-11-18 09:02:26,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:02:26,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:02:26,921 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:26,939 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:02:27,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:27,128 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:02:27,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27 WrapperNode [2018-11-18 09:02:27,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:27,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:27,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:02:27,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:02:27,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:27,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:02:27,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:02:27,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:02:27,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... [2018-11-18 09:02:27,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:02:27,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:02:27,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:02:27,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:02:27,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/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 09:02:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:02:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:02:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:02:28,032 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:02:28,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:28 BoogieIcfgContainer [2018-11-18 09:02:28,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:02:28,033 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:02:28,033 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:02:28,036 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:02:28,037 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:28,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:02:26" (1/3) ... [2018-11-18 09:02:28,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219d4863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:28, skipping insertion in model container [2018-11-18 09:02:28,038 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:28,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:27" (2/3) ... [2018-11-18 09:02:28,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219d4863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:28, skipping insertion in model container [2018-11-18 09:02:28,039 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:28,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:28" (3/3) ... [2018-11-18 09:02:28,040 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:28,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:02:28,077 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:02:28,077 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:02:28,077 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:02:28,078 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:02:28,078 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:02:28,078 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:02:28,078 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:02:28,078 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:02:28,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states. [2018-11-18 09:02:28,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2018-11-18 09:02:28,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:28,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:28,123 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:28,123 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 09:02:28,123 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:02:28,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states. [2018-11-18 09:02:28,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2018-11-18 09:02:28,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:28,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:28,128 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:28,128 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 09:02:28,131 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.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(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 13#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 80#L58true 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; 4#L73true main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 37#L194true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 146#L170true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 104#L875-3true [2018-11-18 09:02:28,132 INFO L796 eck$LassoCheckResult]: Loop: 104#L875-3true assume true; 121#L875-1true assume !false; 73#L876true assume test_~splverifierCounter~0 < 4; 3#L877true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 28#L885true assume !(0 != test_~tmp~8); 9#L885-2true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 82#L895true assume !(0 != test_~tmp___0~2); 77#L895-2true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 125#L905true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 128#L861true assume { :end_inline_startSystem } true; 155#L913-2true assume { :begin_inline_timeShift } true; 72#L686true assume !(0 != ~pumpRunning~0); 74#L686-2true assume !(0 != ~systemActive~0); 123#L693-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 120#L630-1true __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 70#L89true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 68#L89-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 53#L703true assume { :end_inline_timeShift } true; 104#L875-3true [2018-11-18 09:02:28,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:28,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:02:28,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:28,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:28,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:28,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:28,330 INFO L82 PathProgramCache]: Analyzing trace with hash -717315661, now seen corresponding path program 1 times [2018-11-18 09:02:28,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:28,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:28,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:28,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:28,381 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 09:02:28,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:28,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:02:28,386 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:02:28,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:28,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:28,400 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2018-11-18 09:02:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:28,439 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2018-11-18 09:02:28,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:28,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 191 transitions. [2018-11-18 09:02:28,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2018-11-18 09:02:28,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 140 states and 180 transitions. [2018-11-18 09:02:28,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2018-11-18 09:02:28,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2018-11-18 09:02:28,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 180 transitions. [2018-11-18 09:02:28,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:28,456 INFO L705 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 09:02:28,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 180 transitions. [2018-11-18 09:02:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 09:02:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 09:02:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2018-11-18 09:02:28,487 INFO L728 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 09:02:28,487 INFO L608 BuchiCegarLoop]: Abstraction has 140 states and 180 transitions. [2018-11-18 09:02:28,487 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:02:28,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 180 transitions. [2018-11-18 09:02:28,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2018-11-18 09:02:28,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:28,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:28,490 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:28,490 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 09:02:28,490 INFO L794 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.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(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 321#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 332#L58 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; 314#L73 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 315#L194 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 366#L170 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 384#L875-3 [2018-11-18 09:02:28,491 INFO L796 eck$LassoCheckResult]: Loop: 384#L875-3 assume true; 432#L875-1 assume !false; 414#L876 assume test_~splverifierCounter~0 < 4; 312#L877 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 313#L885 assume !(0 != test_~tmp~8); 324#L885-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 325#L895 assume !(0 != test_~tmp___0~2); 417#L895-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 418#L905 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 445#L861 assume { :end_inline_startSystem } true; 449#L913-2 assume { :begin_inline_timeShift } true; 413#L686 assume !(0 != ~pumpRunning~0); 372#L686-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 393#L744 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 394#L718-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 425#L710-3 assume { :end_inline_processEnvironment__wrappee__base } true; 423#L718-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 317#L744-1 assume { :end_inline_processEnvironment } true; 401#L693-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 442#L630-1 __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 410#L89 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 405#L89-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 383#L703 assume { :end_inline_timeShift } true; 384#L875-3 [2018-11-18 09:02:28,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:28,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:02:28,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:28,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:28,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:28,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:28,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1924883406, now seen corresponding path program 1 times [2018-11-18 09:02:28,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:28,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:28,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,554 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:28,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:28,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1662498322, now seen corresponding path program 1 times [2018-11-18 09:02:28,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:28,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:28,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:28,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:28,745 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-11-18 09:03:13,309 WARN L180 SmtUtils]: Spent 44.53 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:03:36,370 WARN L180 SmtUtils]: Spent 23.06 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:03:36,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:03:36 BoogieIcfgContainer [2018-11-18 09:03:36,447 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:03:36,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:03:36,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:03:36,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:03:36,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:28" (3/4) ... [2018-11-18 09:03:36,450 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:03:36,495 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b708f32-b278-46d2-8849-86d565c343be/bin-2019/uautomizer/witness.graphml [2018-11-18 09:03:36,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:03:36,496 INFO L168 Benchmark]: Toolchain (without parser) took 69900.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 950.4 MB in the beginning and 915.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 270.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,497 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:03:36,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.79 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 09:03:36,499 INFO L168 Benchmark]: Boogie Preprocessor took 30.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,500 INFO L168 Benchmark]: RCFGBuilder took 813.35 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,500 INFO L168 Benchmark]: BuchiAutomizer took 68413.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 920.6 MB in the end (delta: 165.3 MB). Peak memory consumption was 259.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,500 INFO L168 Benchmark]: Witness Printer took 48.59 ms. Allocated memory is still 1.3 GB. Free memory was 920.6 MB in the beginning and 915.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:36,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.79 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. * Boogie Preprocessor took 30.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 813.35 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68413.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 920.6 MB in the end (delta: 165.3 MB). Peak memory consumption was 259.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.59 ms. Allocated memory is still 1.3 GB. Free memory was 920.6 MB in the beginning and 915.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 140 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 68.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 140 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 188 SDtfs, 186 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 875]: 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, "On"=16, "Off"=0, "OK"=0, retValue_acc=0, "OK"=19, "Env(Water:%i"=0, "CRIT"=0, "On"=0, "Off"=8, ",Meth:"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2800d0bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66f7c068=0, ") "=0, "__utac__get_this_argtype"=28, "\n"=0, tmp=0, tmp___1=0, tmp=0, "libacc.c"=37, tmp___0=0, "__utac__get_this_argtype"=24, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=27, "i > 0 && i <= this->argsCount"=35, "i > 0 && i <= this->argsCount"=31, ",Meth:"=22, "Pump(System:"=17, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6664f856=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7726cf7c=0, retValue_acc=0, "CRIT"=20, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, "Off"=15, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bf6cb4c=0, "__utac__get_this_argtype"=0, tmp=1, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@333cdd91=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=26, tmp=0, ")"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f59614a=0, "\n"=40, "On"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b915b66=164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54c1344e=0, "i > 0 && i <= this->argsCount"=38, retValue_acc=1, tmp___2=164, tmp___0=0, "libacc.c"=34, splverifierCounter=0, ",Pump:"=0, \result=0, ",Pump:"=14, head=0, "libacc.c"=0, "__utac__get_this_arg"=36, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_arg"=33, "libacc.c"=29, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=23, ")"=0, ") "=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 875]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L505] FCALL "i > 0 && i <= this->argsCount" [L505] FCALL "libacc.c" [L506] FCALL "__utac__get_this_arg" [L512] FCALL "i > 0 && i <= this->argsCount" [L512] FCALL "libacc.c" [L513] FCALL "__utac__get_this_arg" [L551] FCALL "i > 0 && i <= this->argsCount" [L551] FCALL "libacc.c" [L552] FCALL "__utac__get_this_argtype" [L558] FCALL "i > 0 && i <= this->argsCount" [L558] FCALL "libacc.c" [L559] FCALL "__utac__get_this_argtype" [L639] FCALL "Env(Water:%i" [L640] FCALL ",Meth:" [L644] FCALL "CRIT" [L648] FCALL "OK" [L652] FCALL ")" [L806] FCALL "Pump(System:" [L810] FCALL "On" [L814] FCALL "Off" [L818] FCALL ",Pump:" [L822] FCALL "On" [L826] FCALL "Off" [L830] FCALL ") " [L832] FCALL "\n" [L107] int cleanupTimeShifts = 4; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L185] int retValue_acc ; [L186] int tmp ; [L190] FCALL select_helpers() [L191] FCALL select_features() [L192] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L192] EXPR valid_product() [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L196] FCALL setup() [L197] CALL runTest() [L179] CALL test() [L866] int splverifierCounter ; [L867] int tmp ; [L868] int tmp___0 ; [L869] int tmp___1 ; [L870] int tmp___2 ; [L873] splverifierCounter = 0 Loop: [L875] COND TRUE 1 [L877] COND TRUE splverifierCounter < 4 [L883] tmp = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp)) [L893] tmp___0 = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp___0)) [L903] tmp___2 = __VERIFIER_nondet_int() [L905] COND TRUE \read(tmp___2) [L907] CALL startSystem() [L860] RET systemActive = 1 [L907] startSystem() [L920] CALL timeShift() [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L695] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] CALL processEnvironment__wrappee__lowWaterSensor() [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L733] RET, FCALL processEnvironment__wrappee__base() [L759] RET processEnvironment__wrappee__lowWaterSensor() [L695] processEnvironment() [L701] CALL __utac_acc__Specification1_spec__1() [L82] int tmp ; [L83] int tmp___0 ; [L87] CALL, EXPR isMethaneLevelCritical() [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] RET return (retValue_acc); [L87] EXPR isMethaneLevelCritical() [L87] tmp = isMethaneLevelCritical() [L89] COND FALSE, RET !(\read(tmp)) [L701] RET __utac_acc__Specification1_spec__1() [L920] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...