./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_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_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/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 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 ......................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:51:32,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:51:32,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:51:32,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:51:32,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:51:32,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:51:32,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:51:32,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:51:32,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:51:32,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:51:32,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:51:32,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:51:32,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:51:32,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:51:32,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:51:32,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:51:32,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:51:32,404 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:51:32,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:51:32,406 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:51:32,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:51:32,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:51:32,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:51:32,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:51:32,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:51:32,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:51:32,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:51:32,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:51:32,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:51:32,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:51:32,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:51:32,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:51:32,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:51:32,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:51:32,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:51:32,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:51:32,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:51:32,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:51:32,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:51:32,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:51:32,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:51:32,431 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:51:32,431 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:51:32,431 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:51:32,431 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:51:32,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:51:32,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:51:32,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:51:32,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:51:32,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:51:32,434 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:51:32,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:51:32,434 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:51:32,434 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:51:32,437 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:51:32,437 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_fe944105-1960-4c37-8c97-884ec3463e1f/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 -> 0293b5fd4bdba9c4dffc69cf3cddef161bbc7b19 [2018-11-18 10:51:32,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:51:32,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:51:32,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:51:32,495 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:51:32,495 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:51:32,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:51:32,547 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/data/8d51aa1f5/ce6280909f654afd9559ac4e09e30d6f/FLAGceac2d49c [2018-11-18 10:51:32,921 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:51:32,922 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/sv-benchmarks/c/product-lines/minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:51:32,928 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/data/8d51aa1f5/ce6280909f654afd9559ac4e09e30d6f/FLAGceac2d49c [2018-11-18 10:51:32,940 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/data/8d51aa1f5/ce6280909f654afd9559ac4e09e30d6f [2018-11-18 10:51:32,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:51:32,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:51:32,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:51:32,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:51:32,948 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:51:32,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:51:32" (1/1) ... [2018-11-18 10:51:32,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:32, skipping insertion in model container [2018-11-18 10:51:32,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:51:32" (1/1) ... [2018-11-18 10:51:32,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:51:32,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:51:33,253 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:51:33,273 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:51:33,451 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:51:33,473 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:51:33,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33 WrapperNode [2018-11-18 10:51:33,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:51:33,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:51:33,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:51:33,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:51:33,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:51:33,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:51:33,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:51:33,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:51:33,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... [2018-11-18 10:51:33,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:51:33,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:51:33,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:51:33,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:51:33,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/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 10:51:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:51:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:51:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:51:34,273 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:51:34,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:34 BoogieIcfgContainer [2018-11-18 10:51:34,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:51:34,274 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:51:34,274 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:51:34,277 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:51:34,278 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:51:34,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:51:32" (1/3) ... [2018-11-18 10:51:34,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76aecbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:51:34, skipping insertion in model container [2018-11-18 10:51:34,279 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:51:34,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:33" (2/3) ... [2018-11-18 10:51:34,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76aecbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:51:34, skipping insertion in model container [2018-11-18 10:51:34,279 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:51:34,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:34" (3/3) ... [2018-11-18 10:51:34,281 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:51:34,319 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:51:34,320 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:51:34,320 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:51:34,320 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:51:34,320 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:51:34,320 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:51:34,320 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:51:34,320 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:51:34,321 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:51:34,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-11-18 10:51:34,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 10:51:34,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:51:34,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:51:34,362 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:51:34,363 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:51:34,363 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:51:34,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-11-18 10:51:34,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 10:51:34,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:51:34,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:51:34,367 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:51:34,368 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:51:34,372 INFO L794 eck$LassoCheckResult]: Stem: 69#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~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 75#L250true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L243true 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; 97#L258true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 55#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~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 100#L478-3true [2018-11-18 10:51:34,373 INFO L796 eck$LassoCheckResult]: Loop: 100#L478-3true assume true; 95#L478-1true assume !false; 67#L479true assume test_~splverifierCounter~0 < 4; 29#L480true test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 34#L488true assume !(0 != test_~tmp~4); 38#L488-2true test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 71#L498true assume !(0 != test_~tmp___0~1); 74#L498-2true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 9#L508true assume 0 != test_~tmp___2~0; 91#L514-2true assume { :begin_inline_timeShift } true; 5#L310true assume !(0 != ~pumpRunning~0); 92#L310-2true assume !(0 != ~systemActive~0); 54#L317-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 17#L191-1true __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 47#L273true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 44#L273-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 80#L327true assume { :end_inline_timeShift } true; 100#L478-3true [2018-11-18 10:51:34,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:51:34,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:34,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:51:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:34,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 820261235, now seen corresponding path program 1 times [2018-11-18 10:51:34,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:34,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:34,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:51:34,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:34,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:34,559 INFO L82 PathProgramCache]: Analyzing trace with hash -111420369, now seen corresponding path program 1 times [2018-11-18 10:51:34,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:34,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:34,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:51:34,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:34,719 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 10:51:34,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:51:34,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:51:34,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:51:34,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:51:34,838 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2018-11-18 10:51:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:51:35,112 INFO L93 Difference]: Finished difference Result 257 states and 323 transitions. [2018-11-18 10:51:35,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:51:35,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 257 states and 323 transitions. [2018-11-18 10:51:35,127 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 165 [2018-11-18 10:51:35,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 257 states to 227 states and 293 transitions. [2018-11-18 10:51:35,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 227 [2018-11-18 10:51:35,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 227 [2018-11-18 10:51:35,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 227 states and 293 transitions. [2018-11-18 10:51:35,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:51:35,136 INFO L705 BuchiCegarLoop]: Abstraction has 227 states and 293 transitions. [2018-11-18 10:51:35,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states and 293 transitions. [2018-11-18 10:51:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 143. [2018-11-18 10:51:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-18 10:51:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 185 transitions. [2018-11-18 10:51:35,168 INFO L728 BuchiCegarLoop]: Abstraction has 143 states and 185 transitions. [2018-11-18 10:51:35,168 INFO L608 BuchiCegarLoop]: Abstraction has 143 states and 185 transitions. [2018-11-18 10:51:35,168 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:51:35,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 185 transitions. [2018-11-18 10:51:35,170 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2018-11-18 10:51:35,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:51:35,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:51:35,175 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:51:35,176 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] [2018-11-18 10:51:35,176 INFO L794 eck$LassoCheckResult]: Stem: 416#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~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 385#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; 386#L250 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425#L243 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; 434#L258 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 465#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 403#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 404#L478-3 [2018-11-18 10:51:35,176 INFO L796 eck$LassoCheckResult]: Loop: 404#L478-3 assume true; 464#L478-1 assume !false; 410#L479 assume test_~splverifierCounter~0 < 4; 411#L480 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 435#L488 assume !(0 != test_~tmp~4); 443#L488-2 test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 419#L498 assume !(0 != test_~tmp___0~1); 421#L498-2 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 389#L508 assume 0 != test_~tmp___2~0; 390#L514-2 assume { :begin_inline_timeShift } true; 381#L310 assume !(0 != ~pumpRunning~0); 382#L310-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 462#L342 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 430#L334-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 427#L342-1 assume { :end_inline_processEnvironment } true; 463#L317-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 408#L191-1 __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 409#L273 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 388#L273-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 447#L327 assume { :end_inline_timeShift } true; 404#L478-3 [2018-11-18 10:51:35,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:35,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:51:35,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:35,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:35,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:51:35,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:35,223 INFO L82 PathProgramCache]: Analyzing trace with hash -794605216, now seen corresponding path program 1 times [2018-11-18 10:51:35,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:35,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:35,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,224 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:51:35,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:35,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1852364068, now seen corresponding path program 1 times [2018-11-18 10:51:35,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:51:35,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:51:35,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:51:35,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:51:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:51:35,447 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 10:51:35,619 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 10:52:16,396 WARN L180 SmtUtils]: Spent 40.76 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:52:41,156 WARN L180 SmtUtils]: Spent 24.76 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:52:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:52:41 BoogieIcfgContainer [2018-11-18 10:52:41,223 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:52:41,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:52:41,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:52:41,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:52:41,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:34" (3/4) ... [2018-11-18 10:52:41,227 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:52:41,264 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe944105-1960-4c37-8c97-884ec3463e1f/bin-2019/uautomizer/witness.graphml [2018-11-18 10:52:41,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:52:41,265 INFO L168 Benchmark]: Toolchain (without parser) took 68321.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.0 MB in the beginning and 983.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:52:41,266 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:52:41,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:52:41,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 1.1 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 10:52:41,266 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 ms. Allocated memory is still 1.1 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 10:52:41,267 INFO L168 Benchmark]: RCFGBuilder took 735.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:52:41,267 INFO L168 Benchmark]: BuchiAutomizer took 66949.32 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Free memory was 1.0 GB in the beginning and 987.8 MB in the end (delta: 53.8 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:52:41,267 INFO L168 Benchmark]: Witness Printer took 40.86 ms. Allocated memory is still 1.2 GB. Free memory was 987.8 MB in the beginning and 983.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:52:41,270 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 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 1.1 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 22.83 ms. Allocated memory is still 1.1 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 735.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 66949.32 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Free memory was 1.0 GB in the beginning and 987.8 MB in the end (delta: 53.8 MB). Peak memory consumption was 207.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.86 ms. Allocated memory is still 1.2 GB. Free memory was 987.8 MB in the beginning and 983.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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 143 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 66.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 66.4s. Construction of modules took 0.2s. 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, 84 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 143 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 120 SDtfs, 449 SDslu, 658 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 478]: 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 {retValue_acc=0, NULL=0, "i > 0 && i <= this->argsCount"=0, ")"=20, "i > 0 && i <= this->argsCount"=36, retValue_acc=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=27, "libacc.c"=35, methaneLevelCritical=0, "OK"=22, "libacc.c"=0, tmp=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@739d1030=0, tmp___1=0, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, "On"=18, tmp___0=0, "Off"=14, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d33efb5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62abfb10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b046288=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@692e4c09=169, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11002916=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59aba3f3=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=39, "\n"=0, ") "=0, "i > 0 && i <= this->argsCount"=33, ")"=0, "__utac__get_this_arg"=29, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, ",Meth:"=23, \result=1, "Pump(System:"=19, head=0, pumpRunning=0, tmp=1, "__utac__get_this_arg"=34, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64a24741=0, "__utac__get_this_argtype"=37, tmp=0, "Pump(System:"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=38, "Off"=17, tmp___2=169, ") "=11, tmp___0=0, "On"=15, splverifierCounter=0, "libacc.c"=0, \result=0, "CRIT"=8, "libacc.c"=31, tmp=0, head=0, "On"=0, "Off"=0, ",Pump:"=16, ",Pump:"=0, "On"=0, "\n"=12, "Off"=0, "libacc.c"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 478]: 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 ")" [L421] FCALL "Pump(System:" [L425] FCALL "On" [L429] FCALL "Off" [L433] FCALL ",Pump:" [L437] FCALL "On" [L441] FCALL "Off" [L445] FCALL ") " [L447] FCALL "\n" [L832] FCALL "i > 0 && i <= this->argsCount" [L832] FCALL "libacc.c" [L833] FCALL "__utac__get_this_arg" [L839] FCALL "i > 0 && i <= this->argsCount" [L839] FCALL "libacc.c" [L840] FCALL "__utac__get_this_arg" [L878] FCALL "i > 0 && i <= this->argsCount" [L878] FCALL "libacc.c" [L879] FCALL "__utac__get_this_argtype" [L885] FCALL "i > 0 && i <= this->argsCount" [L885] FCALL "libacc.c" [L886] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L148] int waterLevel = 1; [L149] int methaneLevelCritical = 0; [L303] int pumpRunning = 0; [L304] int systemActive = 1; [L704] 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() [L254] int retValue_acc ; [L257] retValue_acc = 1 [L258] 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() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L310] COND FALSE !(\read(pumpRunning)) [L317] COND TRUE \read(systemActive) [L319] CALL processEnvironment() [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L357] RET, FCALL processEnvironment__wrappee__methaneQuery() [L319] processEnvironment() [L325] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L187] int retValue_acc ; [L190] retValue_acc = methaneLevelCritical [L191] RET return (retValue_acc); [L271] EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE, RET !(\read(tmp)) [L325] RET __utac_acc__Specification1_spec__1() [L523] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...