./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03_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_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/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 181dcb39cfcdf755d846c39f79068002a5e5061c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:48:07,364 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:48:07,365 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:48:07,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:48:07,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:48:07,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:48:07,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:48:07,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:48:07,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:48:07,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:48:07,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:48:07,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:48:07,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:48:07,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:48:07,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:48:07,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:48:07,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:48:07,385 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:48:07,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:48:07,388 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:48:07,389 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:48:07,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:48:07,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:48:07,392 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:48:07,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:48:07,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:48:07,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:48:07,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:48:07,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:48:07,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:48:07,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:48:07,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:48:07,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:48:07,397 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:48:07,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:48:07,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:48:07,398 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:48:07,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:48:07,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:48:07,412 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:48:07,412 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:48:07,412 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:48:07,412 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:48:07,412 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:48:07,413 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:48:07,413 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:48:07,413 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:48:07,413 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:48:07,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:48:07,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:48:07,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:48:07,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:48:07,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:48:07,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:48:07,417 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:48:07,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:48:07,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:48:07,417 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:48:07,418 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:48:07,418 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_ece542ae-6ba0-4a88-80b8-b45e0834216c/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 -> 181dcb39cfcdf755d846c39f79068002a5e5061c [2018-11-18 10:48:07,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:48:07,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:48:07,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:48:07,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:48:07,461 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:48:07,462 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product03_true-unreach-call_false-termination.cil.c [2018-11-18 10:48:07,509 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/data/fc5ec24a7/fd04629e94c44d25827323b8b54319e5/FLAG304d3a1e4 [2018-11-18 10:48:07,897 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:48:07,897 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/sv-benchmarks/c/product-lines/minepump_spec5_product03_true-unreach-call_false-termination.cil.c [2018-11-18 10:48:07,904 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/data/fc5ec24a7/fd04629e94c44d25827323b8b54319e5/FLAG304d3a1e4 [2018-11-18 10:48:07,919 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/data/fc5ec24a7/fd04629e94c44d25827323b8b54319e5 [2018-11-18 10:48:07,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:48:07,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:48:07,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:07,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:48:07,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:48:07,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:07" (1/1) ... [2018-11-18 10:48:07,928 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 10:48:07, skipping insertion in model container [2018-11-18 10:48:07,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:07" (1/1) ... [2018-11-18 10:48:07,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:48:07,966 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:48:08,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:08,164 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:48:08,260 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:08,280 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:48:08,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08 WrapperNode [2018-11-18 10:48:08,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:08,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:08,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:48:08,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:48:08,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:08,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:48:08,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:48:08,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:48:08,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... [2018-11-18 10:48:08,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:48:08,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:48:08,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:48:08,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:48:08,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/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 10:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:48:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:48:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:48:08,799 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:48:08,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:08 BoogieIcfgContainer [2018-11-18 10:48:08,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:48:08,800 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:48:08,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:48:08,803 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:48:08,804 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:48:08,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:48:07" (1/3) ... [2018-11-18 10:48:08,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b346eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:48:08, skipping insertion in model container [2018-11-18 10:48:08,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:48:08,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:08" (2/3) ... [2018-11-18 10:48:08,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b346eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:48:08, skipping insertion in model container [2018-11-18 10:48:08,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:48:08,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:08" (3/3) ... [2018-11-18 10:48:08,806 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03_true-unreach-call_false-termination.cil.c [2018-11-18 10:48:08,837 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:48:08,837 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:48:08,837 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:48:08,837 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:48:08,837 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:48:08,837 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:48:08,837 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:48:08,838 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:48:08,838 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:48:08,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states. [2018-11-18 10:48:08,866 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 10:48:08,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:48:08,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:48:08,872 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:08,872 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] [2018-11-18 10:48:08,872 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:48:08,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states. [2018-11-18 10:48:08,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 10:48:08,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:48:08,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:48:08,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:08,877 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] [2018-11-18 10:48:08,880 INFO L794 eck$LassoCheckResult]: Stem: 36#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~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 80#L543true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 75#L536true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 85#L551true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 89#L507true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 81#L478true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 15#L764true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L700-3true [2018-11-18 10:48:08,881 INFO L796 eck$LassoCheckResult]: Loop: 52#L700-3true assume true; 68#L700-1true assume !false; 84#L701true assume test_~splverifierCounter~0 < 4; 13#L702true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 46#L710true assume !(0 != test_~tmp~4); 27#L710-2true test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 19#L720true assume !(0 != test_~tmp___0~0); 3#L720-2true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 92#L730true assume 0 != test_~tmp___2~0; 35#L736-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret58;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 69#L634true __utac_acc__Specification5_spec__2_#t~ret58 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret58;havoc __utac_acc__Specification5_spec__2_#t~ret58; 88#L774true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 63#L575true assume !(0 != ~pumpRunning~0); 39#L575-2true assume !(0 != ~systemActive~0); 48#L582-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret59, __utac_acc__Specification5_spec__3_#t~ret60, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 40#L882true __utac_acc__Specification5_spec__3_#t~ret59 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret59;havoc __utac_acc__Specification5_spec__3_#t~ret59; 86#L785true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 90#L785-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 20#L592true assume { :end_inline_timeShift } true; 52#L700-3true [2018-11-18 10:48:08,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:08,886 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:48:08,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:08,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:08,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:08,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:08,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash -900622211, now seen corresponding path program 1 times [2018-11-18 10:48:09,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash 529126132, now seen corresponding path program 1 times [2018-11-18 10:48:09,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:48:09,185 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 10:48:09,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:48:09,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:48:09,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:48:09,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:48:09,263 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 6 states. [2018-11-18 10:48:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:48:09,448 INFO L93 Difference]: Finished difference Result 243 states and 306 transitions. [2018-11-18 10:48:09,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:48:09,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 243 states and 306 transitions. [2018-11-18 10:48:09,456 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 155 [2018-11-18 10:48:09,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 243 states to 213 states and 276 transitions. [2018-11-18 10:48:09,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2018-11-18 10:48:09,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2018-11-18 10:48:09,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 276 transitions. [2018-11-18 10:48:09,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:48:09,466 INFO L705 BuchiCegarLoop]: Abstraction has 213 states and 276 transitions. [2018-11-18 10:48:09,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 276 transitions. [2018-11-18 10:48:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 141. [2018-11-18 10:48:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 10:48:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2018-11-18 10:48:09,498 INFO L728 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2018-11-18 10:48:09,498 INFO L608 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2018-11-18 10:48:09,498 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:48:09,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2018-11-18 10:48:09,500 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 102 [2018-11-18 10:48:09,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:48:09,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:48:09,501 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:09,501 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 10:48:09,501 INFO L794 eck$LassoCheckResult]: Stem: 393#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~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 371#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 426#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 427#L551 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 430#L507 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 429#L478 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 376#L764 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 377#L700-3 [2018-11-18 10:48:09,501 INFO L796 eck$LassoCheckResult]: Loop: 377#L700-3 assume true; 408#L700-1 assume !false; 422#L701 assume test_~splverifierCounter~0 < 4; 372#L702 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 373#L710 assume !(0 != test_~tmp~4); 385#L710-2 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 378#L720 assume !(0 != test_~tmp___0~0); 352#L720-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 353#L730 assume 0 != test_~tmp___2~0; 391#L736-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret58;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 392#L634 __utac_acc__Specification5_spec__2_#t~ret58 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret58;havoc __utac_acc__Specification5_spec__2_#t~ret58; 423#L774 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 421#L575 assume !(0 != ~pumpRunning~0); 396#L575-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 359#L599 assume { :end_inline_processEnvironment } true; 360#L582-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret59, __utac_acc__Specification5_spec__3_#t~ret60, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 397#L882 __utac_acc__Specification5_spec__3_#t~ret59 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret59;havoc __utac_acc__Specification5_spec__3_#t~ret59; 398#L785 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5); 364#L785-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 380#L592 assume { :end_inline_timeShift } true; 377#L700-3 [2018-11-18 10:48:09,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,502 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:48:09,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1521583834, now seen corresponding path program 1 times [2018-11-18 10:48:09,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,543 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:48:09,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,551 INFO L82 PathProgramCache]: Analyzing trace with hash -149058161, now seen corresponding path program 1 times [2018-11-18 10:48:09,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:48:09,621 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 10:48:09,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:48:09,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:48:09,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:48:09,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:48:09,720 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 10:48:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:48:09,849 INFO L93 Difference]: Finished difference Result 357 states and 454 transitions. [2018-11-18 10:48:09,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:48:09,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 454 transitions. [2018-11-18 10:48:09,854 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 192 [2018-11-18 10:48:09,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 454 transitions. [2018-11-18 10:48:09,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2018-11-18 10:48:09,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2018-11-18 10:48:09,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 454 transitions. [2018-11-18 10:48:09,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:48:09,859 INFO L705 BuchiCegarLoop]: Abstraction has 357 states and 454 transitions. [2018-11-18 10:48:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 454 transitions. [2018-11-18 10:48:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 266. [2018-11-18 10:48:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-11-18 10:48:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 336 transitions. [2018-11-18 10:48:09,870 INFO L728 BuchiCegarLoop]: Abstraction has 266 states and 336 transitions. [2018-11-18 10:48:09,870 INFO L608 BuchiCegarLoop]: Abstraction has 266 states and 336 transitions. [2018-11-18 10:48:09,872 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:48:09,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 266 states and 336 transitions. [2018-11-18 10:48:09,874 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 192 [2018-11-18 10:48:09,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:48:09,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:48:09,875 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:09,875 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:09,875 INFO L794 eck$LassoCheckResult]: Stem: 912#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~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 884#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 885#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 962#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 963#L551 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 973#L507 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 968#L478 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 890#L764 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 891#L700-3 [2018-11-18 10:48:09,875 INFO L796 eck$LassoCheckResult]: Loop: 891#L700-3 assume true; 934#L700-1 assume !false; 953#L701 assume test_~splverifierCounter~0 < 4; 1030#L702 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 1029#L710 assume !(0 != test_~tmp~4); 1028#L710-2 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 1026#L720 assume !(0 != test_~tmp___0~0); 1024#L720-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 1023#L730 assume 0 != test_~tmp___2~0; 910#L736-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret58;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 911#L634 __utac_acc__Specification5_spec__2_#t~ret58 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret58;havoc __utac_acc__Specification5_spec__2_#t~ret58; 954#L774 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 951#L575 assume !(0 != ~pumpRunning~0); 915#L575-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 916#L599 assume { :end_inline_processEnvironment } true; 985#L582-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret59, __utac_acc__Specification5_spec__3_#t~ret60, __utac_acc__Specification5_spec__3_~tmp~5, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~5;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 986#L882 __utac_acc__Specification5_spec__3_#t~ret59 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5 := __utac_acc__Specification5_spec__3_#t~ret59;havoc __utac_acc__Specification5_spec__3_#t~ret59; 974#L785 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 975#L634-1 __utac_acc__Specification5_spec__3_#t~ret60 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret60;havoc __utac_acc__Specification5_spec__3_#t~ret60; 1097#L789 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 1095#L785-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1094#L592 assume { :end_inline_timeShift } true; 891#L700-3 [2018-11-18 10:48:09,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:48:09,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1972283039, now seen corresponding path program 1 times [2018-11-18 10:48:09,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,913 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:48:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:09,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1530071158, now seen corresponding path program 1 times [2018-11-18 10:48:09,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:48:09,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:48:09,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:09,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:56,482 WARN L180 SmtUtils]: Spent 46.38 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:49:20,418 WARN L180 SmtUtils]: Spent 23.93 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:49:20,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:49:20 BoogieIcfgContainer [2018-11-18 10:49:20,496 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:49:20,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:49:20,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:49:20,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:49:20,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:08" (3/4) ... [2018-11-18 10:49:20,500 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:49:20,543 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ece542ae-6ba0-4a88-80b8-b45e0834216c/bin-2019/uautomizer/witness.graphml [2018-11-18 10:49:20,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:49:20,544 INFO L168 Benchmark]: Toolchain (without parser) took 72621.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.8 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -263.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,545 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:20,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,545 INFO L168 Benchmark]: Boogie Preprocessor took 17.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,546 INFO L168 Benchmark]: RCFGBuilder took 462.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,546 INFO L168 Benchmark]: BuchiAutomizer took 71696.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.7 MB). Peak memory consumption was 315.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,546 INFO L168 Benchmark]: Witness Printer took 47.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:20,548 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 462.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 71696.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.7 MB). Peak memory consumption was 315.6 MB. Max. memory is 11.5 GB. * Witness Printer took 47.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 266 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 71.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 71.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 163 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 266 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 242 SDtfs, 671 SDslu, 954 SDs, 0 SdLazy, 107 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 700]: 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, ",Meth:"=0, "Env(Water:%i"=0, "On"=0, retValue_acc=0, "On"=0, ",Pump:"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c89751f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f107d61=0, ",Meth:"=37, methaneLevelCritical=0, tmp=0, tmp=1, "On"=28, "OK"=0, "CRIT"=0, "OK"=8, tmp___1=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6700cd2b=0, "__utac__get_this_arg"=11, "libacc.c"=22, "Pump(System:"=27, cleanupTimeShifts=4, switchedOnBeforeTS=0, "libacc.c"=17, ",Pump:"=16, \result=0, "\n"=35, "__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, "Off"=0, "On"=31, tmp___0=0, "\n"=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, "Off"=33, \result=0, tmp___0=0, "i > 0 && i <= this->argsCount"=12, tmp=1, "libacc.c"=0, "CRIT"=38, ")"=0, ") "=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "libacc.c"=26, retValue_acc=1, tmp___2=161, "i > 0 && i <= this->argsCount"=19, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57b7cb76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54b9be93=0, ")"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b54e1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@294b19f9=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@689e9d23=0, head=0, "libacc.c"=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=23, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=18, "Pump(System:"=0, "libacc.c"=0, "libacc.c"=0, "Off"=29, "Env(Water:%i"=36, retValue_acc=0, ") "=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 700]: 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" [L643] FCALL "Pump(System:" [L647] FCALL "On" [L651] FCALL "Off" [L655] FCALL ",Pump:" [L659] FCALL "On" [L663] FCALL "Off" [L667] FCALL ") " [L669] FCALL "\n" [L859] FCALL "Env(Water:%i" [L860] FCALL ",Meth:" [L864] FCALL "CRIT" [L868] FCALL "OK" [L872] FCALL ")" [L415] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L758] int switchedOnBeforeTS ; [L807] int waterLevel = 1; [L808] int methaneLevelCritical = 0; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int retValue_acc ; [L499] int tmp ; [L503] FCALL select_helpers() [L504] FCALL select_features() [L505] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] RET return (retValue_acc); [L505] EXPR valid_product() [L505] tmp = valid_product() [L507] COND TRUE \read(tmp) [L509] FCALL setup() [L510] CALL runTest() [L488] CALL __utac_acc__Specification5_spec__1() [L763] RET switchedOnBeforeTS = 0 [L488] __utac_acc__Specification5_spec__1() [L489] CALL test() [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 Loop: [L700] COND TRUE 1 [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L573] CALL __utac_acc__Specification5_spec__2() [L772] CALL, EXPR isPumpRunning() [L630] int retValue_acc ; [L633] retValue_acc = pumpRunning [L634] RET return (retValue_acc); [L772] EXPR isPumpRunning() [L772] RET switchedOnBeforeTS = isPumpRunning() [L573] __utac_acc__Specification5_spec__2() [L575] COND FALSE !(\read(pumpRunning)) [L582] COND TRUE \read(systemActive) [L584] FCALL processEnvironment() [L590] CALL __utac_acc__Specification5_spec__3() [L778] int tmp ; [L779] int tmp___0 ; [L783] CALL, EXPR getWaterLevel() [L878] int retValue_acc ; [L881] retValue_acc = waterLevel [L882] RET return (retValue_acc); [L783] EXPR getWaterLevel() [L783] tmp = getWaterLevel() [L785] COND TRUE tmp != 2 [L787] CALL, EXPR isPumpRunning() [L630] int retValue_acc ; [L633] retValue_acc = pumpRunning [L634] RET return (retValue_acc); [L787] EXPR isPumpRunning() [L787] tmp___0 = isPumpRunning() [L789] COND FALSE, RET !(\read(tmp___0)) [L590] RET __utac_acc__Specification5_spec__3() [L745] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...