./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_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_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/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 b261f373c94d4201e773fd055c7f1efffffc1032 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:34:28,955 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,957 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,969 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,978 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,979 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,980 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,982 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,991 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,991 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,992 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,992 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,993 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,994 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,994 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,995 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,995 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,995 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,996 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,996 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_837227e4-ee4e-4b3b-8470-7448c35a3371/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-11-18 08:34:29,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,076 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/data/4837452f4/6dd146031c004815b6574ae0114732de/FLAG671398e1d [2018-11-18 08:34:29,505 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,512 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/data/4837452f4/6dd146031c004815b6574ae0114732de/FLAG671398e1d [2018-11-18 08:34:29,522 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/data/4837452f4/6dd146031c004815b6574ae0114732de [2018-11-18 08:34:29,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:29,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,530 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,769 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,777 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,886 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,905 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/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 08:34:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,476 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,478 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,479 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121de87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121de87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,482 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,514 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,515 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,515 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,515 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,515 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,515 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,515 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,515 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,515 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 08:34:30,545 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 08:34:30,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,550 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,551 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 08:34:30,551 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 08:34:30,555 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 08:34:30,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,555 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,555 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 08:34:30,559 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 5#L855true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L848true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 20#L863true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 58#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 14#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 72#L410-3true [2018-11-18 08:34:30,559 INFO L796 eck$LassoCheckResult]: Loop: 72#L410-3true assume true; 69#L410-1true assume !false; 42#L411true assume test_~splverifierCounter~0 < 4; 98#L412true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 3#L420true assume !(0 != test_~tmp~3); 4#L420-2true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 46#L430true assume !(0 != test_~tmp___0~1); 48#L430-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 82#L440true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; 96#L448true assume 0 != test_~tmp___1~0; 86#L448-2true assume { :begin_inline_timeShift } true; 11#L266true assume !(0 != ~pumpRunning~0); 95#L266-2true assume !(0 != ~systemActive~0); 47#L273-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 75#L223true __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 27#L238true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 26#L238-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 83#L283true assume { :end_inline_timeShift } true; 72#L410-3true [2018-11-18 08:34:30,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,716 INFO L82 PathProgramCache]: Analyzing trace with hash 628419444, now seen corresponding path program 1 times [2018-11-18 08:34:30,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1811060792, now seen corresponding path program 1 times [2018-11-18 08:34:30,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,859 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 08:34:30,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:30,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:30,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:30,947 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 6 states. [2018-11-18 08:34:31,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,088 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2018-11-18 08:34:31,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 118 transitions. [2018-11-18 08:34:31,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 08:34:31,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 86 states and 108 transitions. [2018-11-18 08:34:31,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2018-11-18 08:34:31,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2018-11-18 08:34:31,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 108 transitions. [2018-11-18 08:34:31,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,103 INFO L705 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:34:31,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 108 transitions. [2018-11-18 08:34:31,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 08:34:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 08:34:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2018-11-18 08:34:31,131 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:34:31,131 INFO L608 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:34:31,131 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:31,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 108 transitions. [2018-11-18 08:34:31,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 08:34:31,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,133 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,134 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 08:34:31,134 INFO L794 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 217#L855 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 218#L848 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 242#L863 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 261#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 250#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 249#L410-3 [2018-11-18 08:34:31,134 INFO L796 eck$LassoCheckResult]: Loop: 249#L410-3 assume true; 245#L410-1 assume !false; 246#L411 assume test_~splverifierCounter~0 < 4; 292#L412 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 213#L420 assume !(0 != test_~tmp~3); 215#L420-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 216#L430 assume !(0 != test_~tmp___0~1); 294#L430-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 271#L440 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 272#L396 assume { :end_inline_startSystem } true; 277#L448-2 assume { :begin_inline_timeShift } true; 235#L266 assume !(0 != ~pumpRunning~0); 236#L266-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 297#L298 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 287#L290-1 assume { :end_inline_processEnvironment__wrappee__base } true; 220#L298-1 assume { :end_inline_processEnvironment } true; 283#L273-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 262#L223 __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 263#L238 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 252#L238-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 269#L283 assume { :end_inline_timeShift } true; 249#L410-3 [2018-11-18 08:34:31,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:31,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1176259575, now seen corresponding path program 1 times [2018-11-18 08:34:31,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,180 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1627928755, now seen corresponding path program 1 times [2018-11-18 08:34:31,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,359 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-18 08:35:51,555 WARN L180 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:36:34,708 WARN L180 SmtUtils]: Spent 43.15 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:36:34,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:36:34 BoogieIcfgContainer [2018-11-18 08:36:34,775 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:36:34,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:36:34,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:36:34,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:36:34,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:36:34,778 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:36:34,817 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_837227e4-ee4e-4b3b-8470-7448c35a3371/bin-2019/uautomizer/witness.graphml [2018-11-18 08:36:34,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:36:34,818 INFO L168 Benchmark]: Toolchain (without parser) took 125292.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -55.8 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,819 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:34,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.27 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,819 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,820 INFO L168 Benchmark]: RCFGBuilder took 507.19 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,820 INFO L168 Benchmark]: BuchiAutomizer took 124298.80 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,820 INFO L168 Benchmark]: Witness Printer took 42.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:34,821 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.27 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 507.19 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 124298.80 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 192.6 MB. Max. memory is 11.5 GB. * Witness Printer took 42.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 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 6 locations. The remainder module has 86 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 124.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 124.0s. Construction of modules took 0.1s. 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 86 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 441 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 410]: 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, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ")"=15, "__utac__get_this_arg"=31, "libacc.c"=0, retValue_acc=0, "libacc.c"=28, "__utac__get_this_argtype"=29, "i > 0 && i <= this->argsCount"=36, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dc688c2=0, "OK"=16, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "Env(Water:%i"=18, tmp___1=0, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, "Off"=12, tmp___0=0, ") "=19, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20c9d68e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b5de1f7=170, NULL=0, systemActive=1, waterLevel=1, \result=1, "\n"=0, "__utac__get_this_arg"=35, ")"=0, "libacc.c"=0, retValue_acc=1, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=17, \result=1, "On"=11, head=0, pumpRunning=0, tmp=1, "libacc.c"=26, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5561e819=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@737fa174=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0f1a49=0, "libacc.c"=33, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fa4d632=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e9aadb=0, "__utac__get_this_argtype"=39, retValue_acc=1, ",Pump:"=24, tmp=1, tmp___2=170, "\n"=20, tmp___0=0, "Off"=22, splverifierCounter=0, "CRIT"=8, tmp=0, head=0, "Off"=0, ") "=0, "On"=23, "On"=0, "Off"=0, "Pump(System:"=14, ",Pump:"=0, "i > 0 && i <= this->argsCount"=34, "libacc.c"=37, "i > 0 && i <= this->argsCount"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 410]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L200] FCALL "Env(Water:%i" [L201] FCALL ",Meth:" [L205] FCALL "CRIT" [L209] FCALL "OK" [L213] FCALL ")" [L360] FCALL "Pump(System:" [L364] FCALL "On" [L368] FCALL "Off" [L372] FCALL ",Pump:" [L376] FCALL "On" [L380] FCALL "Off" [L384] FCALL ") " [L386] FCALL "\n" [L764] FCALL "i > 0 && i <= this->argsCount" [L764] FCALL "libacc.c" [L765] FCALL "__utac__get_this_arg" [L771] FCALL "i > 0 && i <= this->argsCount" [L771] FCALL "libacc.c" [L772] FCALL "__utac__get_this_arg" [L810] FCALL "i > 0 && i <= this->argsCount" [L810] FCALL "libacc.c" [L811] FCALL "__utac__get_this_argtype" [L817] FCALL "i > 0 && i <= this->argsCount" [L817] FCALL "libacc.c" [L818] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L148] int waterLevel = 1; [L149] int methaneLevelCritical = 0; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L636] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L401] int splverifierCounter ; [L402] int tmp ; [L403] int tmp___0 ; [L404] int tmp___1 ; [L405] int tmp___2 ; [L408] splverifierCounter = 0 Loop: [L410] COND TRUE 1 [L412] COND TRUE splverifierCounter < 4 [L418] tmp = __VERIFIER_nondet_int() [L420] COND FALSE !(\read(tmp)) [L428] tmp___0 = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp___0)) [L438] tmp___2 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___2) [L442] CALL startSystem() [L395] RET systemActive = 1 [L442] startSystem() [L455] CALL timeShift() [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L275] CALL processEnvironment() [L295] int tmp ; [L298] COND FALSE !(\read(pumpRunning)) [L313] RET, FCALL processEnvironment__wrappee__base() [L275] processEnvironment() [L281] CALL __utac_acc__Specification4_spec__1() [L231] int tmp ; [L232] int tmp___0 ; [L236] CALL, EXPR getWaterLevel() [L219] int retValue_acc ; [L222] retValue_acc = waterLevel [L223] RET return (retValue_acc); [L236] EXPR getWaterLevel() [L236] tmp = getWaterLevel() [L238] COND FALSE, RET !(tmp == 0) [L281] RET __utac_acc__Specification4_spec__1() [L455] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...