./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_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_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ........................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:34:28,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,487 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,494 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,499 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,529 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,529 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,529 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,529 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,530 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,530 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,530 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,530 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,530 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,531 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,532 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,533 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,533 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,533 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,533 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_b32afce7-a5ab-4422-be0a-14a9d76b9319/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-18 08:34:28,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,570 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,602 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/data/004892dc3/49f35174457e4d6d83f68da981e888ce/FLAG84712167e [2018-11-18 08:34:29,035 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,035 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,041 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/data/004892dc3/49f35174457e4d6d83f68da981e888ce/FLAG84712167e [2018-11-18 08:34:29,049 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/data/004892dc3/49f35174457e4d6d83f68da981e888ce [2018-11-18 08:34:29,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:29,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,056 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 08:34:29,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,278 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,287 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,388 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,405 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,411 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 08:34:29,424 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 08:34:29,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,458 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 08:34:29,458 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 08:34:29,460 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 08:34:29,460 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 08:34:29,464 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 08:34:29,468 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 08:34:29,470 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 08:34:29,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,475 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_b32afce7-a5ab-4422-be0a-14a9d76b9319/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 08:34:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,024 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,025 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5983f5f5 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 08:34:30,026 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,026 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 08:34:30,027 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5983f5f5 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 08:34:30,027 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,028 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 08:34:30,029 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,064 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,065 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,065 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,065 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,065 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,065 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,065 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,065 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,065 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 08:34:30,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 08:34:30,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,106 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,106 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 08:34:30,106 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 08:34:30,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 08:34:30,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,112 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,112 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 08:34:30,116 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#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 := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 67#L468true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 22#L461true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 92#L476true main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 111#L858true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 78#L834true 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; 38#L882-3true [2018-11-18 08:34:30,116 INFO L796 eck$LassoCheckResult]: Loop: 38#L882-3true assume true; 32#L882-1true assume !false; 98#L883true assume test_~splverifierCounter~0 < 4; 56#L884true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 71#L892true assume !(0 != test_~tmp~8); 74#L892-2true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 108#L902true assume !(0 != test_~tmp___0~2); 99#L902-2true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 47#L912true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; 51#L920true assume !(0 != test_~tmp___1~0); 54#L920-2true assume { :begin_inline_timeShift } true; 89#L498true assume !(0 != ~pumpRunning~0); 93#L498-2true assume !(0 != ~systemActive~0); 21#L505-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 17#L761true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 28#L425true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 29#L425-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 60#L515true assume { :end_inline_timeShift } true; 38#L882-3true [2018-11-18 08:34:30,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1992466783, now seen corresponding path program 1 times [2018-11-18 08:34:30,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,298 INFO L82 PathProgramCache]: Analyzing trace with hash -809825435, now seen corresponding path program 1 times [2018-11-18 08:34:30,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,423 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 08:34:30,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:30,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:30,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:30,544 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 6 states. [2018-11-18 08:34:30,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,756 INFO L93 Difference]: Finished difference Result 368 states and 466 transitions. [2018-11-18 08:34:30,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:30,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 368 states and 466 transitions. [2018-11-18 08:34:30,766 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 240 [2018-11-18 08:34:30,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 368 states to 328 states and 426 transitions. [2018-11-18 08:34:30,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 328 [2018-11-18 08:34:30,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 328 [2018-11-18 08:34:30,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 426 transitions. [2018-11-18 08:34:30,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:30,778 INFO L705 BuchiCegarLoop]: Abstraction has 328 states and 426 transitions. [2018-11-18 08:34:30,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 426 transitions. [2018-11-18 08:34:30,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 150. [2018-11-18 08:34:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 08:34:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 195 transitions. [2018-11-18 08:34:30,813 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 195 transitions. [2018-11-18 08:34:30,813 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 195 transitions. [2018-11-18 08:34:30,813 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:30,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 195 transitions. [2018-11-18 08:34:30,815 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 109 [2018-11-18 08:34:30,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,816 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,816 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 08:34:30,816 INFO L794 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#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 := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 516#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 517#L468 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 518#L461 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 550#L476 main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 570#L858 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 552#L834 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; 501#L882-3 [2018-11-18 08:34:30,816 INFO L796 eck$LassoCheckResult]: Loop: 501#L882-3 assume true; 571#L882-1 assume !false; 572#L883 assume test_~splverifierCounter~0 < 4; 582#L884 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 528#L892 assume !(0 != test_~tmp~8); 530#L892-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 540#L902 assume !(0 != test_~tmp___0~2); 511#L902-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 583#L912 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; 584#L920 assume !(0 != test_~tmp___1~0); 524#L920-2 assume { :begin_inline_timeShift } true; 565#L498 assume !(0 != ~pumpRunning~0); 566#L498-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 525#L530 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 526#L522-1 assume { :end_inline_processEnvironment__wrappee__base } true; 515#L530-1 assume { :end_inline_processEnvironment } true; 531#L505-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 544#L761 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 545#L425 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 562#L425-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 500#L515 assume { :end_inline_timeShift } true; 501#L882-3 [2018-11-18 08:34:30,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:30,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,863 INFO L82 PathProgramCache]: Analyzing trace with hash -195756204, now seen corresponding path program 1 times [2018-11-18 08:34:30,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:30,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,873 INFO L82 PathProgramCache]: Analyzing trace with hash 255912976, now seen corresponding path program 1 times [2018-11-18 08:34:30,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:11,391 WARN L180 SmtUtils]: Spent 40.39 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:35:21,226 WARN L180 SmtUtils]: Spent 9.83 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:35:21,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:21 BoogieIcfgContainer [2018-11-18 08:35:21,291 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:21,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:21,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:21,292 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:21,292 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 08:35:21,296 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:35:21,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b32afce7-a5ab-4422-be0a-14a9d76b9319/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:21,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:21,345 INFO L168 Benchmark]: Toolchain (without parser) took 52293.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 951.1 MB in the beginning and 838.8 MB in the end (delta: 112.3 MB). Peak memory consumption was 335.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,345 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:21,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,346 INFO L168 Benchmark]: Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:21,347 INFO L168 Benchmark]: RCFGBuilder took 547.55 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: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,347 INFO L168 Benchmark]: BuchiAutomizer took 51269.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 243.1 MB). Peak memory consumption was 306.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,347 INFO L168 Benchmark]: Witness Printer took 52.47 ms. Allocated memory is still 1.3 GB. Free memory was 844.1 MB in the beginning and 838.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:21,349 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.55 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: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 51269.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 844.1 MB in the end (delta: 243.1 MB). Peak memory consumption was 306.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.47 ms. Allocated memory is still 1.3 GB. Free memory was 844.1 MB in the beginning and 838.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 150 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 51.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 50.8s. 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, 178 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 150 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 130 SDtfs, 605 SDslu, 904 SDs, 0 SdLazy, 52 SolverSat, 13 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: 882]: 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, "CRIT"=0, "Off"=0, "Off"=16, "On"=0, ",Meth:"=0, "CRIT"=24, "Pump(System:"=0, "\n"=22, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bcea4b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c544af3=0, "OK"=0, ")"=0, tmp=0, tmp___1=0, "__utac__get_this_argtype"=34, "__utac__get_this_arg"=37, "__utac__get_this_arg"=8, tmp___0=0, "libacc.c"=35, cleanupTimeShifts=4, "libacc.c"=31, "Pump(System:"=28, "On"=18, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "On"=15, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6881066f=0, "Off"=0, "On"=0, "\n"=0, retValue_acc=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "Off"=19, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f59614a=0, tmp=1, "i > 0 && i <= this->argsCount"=0, ",Pump:"=17, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2699ead5=0, ")"=27, ",Meth:"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17e2d924=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a5cf765=0, "libacc.c"=38, tmp=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6700cd2b=0, tmp___2=0, tmp___0=0, "i > 0 && i <= this->argsCount"=33, splverifierCounter=0, "Env(Water:%i"=0, "Env(Water:%i"=39, head=0, tmp=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=36, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=29, "libacc.c"=0, "libacc.c"=0, ") "=20, ",Pump:"=0, "OK"=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 882]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L610] FCALL "Pump(System:" [L614] FCALL "On" [L618] FCALL "Off" [L622] FCALL ",Pump:" [L626] FCALL "On" [L630] FCALL "Off" [L634] FCALL ") " [L636] FCALL "\n" [L738] FCALL "Env(Water:%i" [L739] FCALL ",Meth:" [L743] FCALL "CRIT" [L747] FCALL "OK" [L751] FCALL ")" [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L686] int waterLevel = 1; [L687] int methaneLevelCritical = 0; [L775] int cleanupTimeShifts = 4; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L849] int retValue_acc ; [L850] int tmp ; [L854] FCALL select_helpers() [L855] FCALL select_features() [L856] CALL, EXPR valid_product() [L472] int retValue_acc ; [L475] retValue_acc = 1 [L476] RET return (retValue_acc); [L856] EXPR valid_product() [L856] tmp = valid_product() [L858] COND TRUE \read(tmp) [L860] FCALL setup() [L861] CALL runTest() [L843] CALL test() [L873] int splverifierCounter ; [L874] int tmp ; [L875] int tmp___0 ; [L876] int tmp___1 ; [L877] int tmp___2 ; [L880] splverifierCounter = 0 Loop: [L882] COND TRUE 1 [L884] COND TRUE splverifierCounter < 4 [L890] tmp = __VERIFIER_nondet_int() [L892] COND FALSE !(\read(tmp)) [L900] tmp___0 = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp___0)) [L910] tmp___2 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___2)) [L918] tmp___1 = __VERIFIER_nondet_int() [L920] COND FALSE !(\read(tmp___1)) [L929] CALL timeShift() [L498] COND FALSE !(\read(pumpRunning)) [L505] COND TRUE \read(systemActive) [L507] CALL processEnvironment() [L527] int tmp ; [L530] COND FALSE !(\read(pumpRunning)) [L545] RET, FCALL processEnvironment__wrappee__base() [L507] processEnvironment() [L513] CALL __utac_acc__Specification4_spec__1() [L418] int tmp ; [L419] int tmp___0 ; [L423] CALL, EXPR getWaterLevel() [L757] int retValue_acc ; [L760] retValue_acc = waterLevel [L761] RET return (retValue_acc); [L423] EXPR getWaterLevel() [L423] tmp = getWaterLevel() [L425] COND FALSE, RET !(tmp == 0) [L513] RET __utac_acc__Specification4_spec__1() [L929] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...