./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_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_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:51:59,477 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:51:59,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:51:59,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:51:59,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:51:59,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:51:59,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:51:59,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:51:59,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:51:59,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:51:59,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:51:59,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:51:59,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:51:59,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:51:59,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:51:59,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:51:59,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:51:59,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:51:59,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:51:59,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:51:59,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:51:59,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:51:59,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:51:59,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:51:59,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:51:59,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:51:59,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:51:59,505 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:51:59,505 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:51:59,506 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:51:59,506 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:51:59,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:51:59,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:51:59,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:51:59,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:51:59,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:51:59,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:51:59,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:51:59,520 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:51:59,521 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:51:59,521 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:51:59,521 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:51:59,521 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:51:59,521 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:51:59,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:51:59,522 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:51:59,523 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:51:59,523 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:51:59,524 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:51:59,525 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:51:59,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:51:59,525 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:51:59,525 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:51:59,525 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:51:59,525 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:51:59,525 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:51:59,526 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:51:59,526 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_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2018-11-18 09:51:59,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:51:59,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:51:59,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:51:59,563 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:51:59,563 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:51:59,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-18 09:51:59,602 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/data/8af34676f/9632ca20005b4a43b3a1e00f904bed48/FLAGccb38415f [2018-11-18 09:51:59,987 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:51:59,987 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-18 09:51:59,998 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/data/8af34676f/9632ca20005b4a43b3a1e00f904bed48/FLAGccb38415f [2018-11-18 09:52:00,365 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/data/8af34676f/9632ca20005b4a43b3a1e00f904bed48 [2018-11-18 09:52:00,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:52:00,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:52:00,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:52:00,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:52:00,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:52:00,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a0deda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00, skipping insertion in model container [2018-11-18 09:52:00,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:52:00,413 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:52:00,620 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:52:00,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:52:00,749 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:52:00,770 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:52:00,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00 WrapperNode [2018-11-18 09:52:00,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:52:00,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:52:00,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:52:00,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:52:00,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:52:00,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:52:00,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:52:00,824 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:52:00,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... [2018-11-18 09:52:00,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:52:00,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:52:00,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:52:00,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:52:00,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:52:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:52:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:52:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:52:01,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:52:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:01 BoogieIcfgContainer [2018-11-18 09:52:01,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:52:01,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:52:01,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:52:01,471 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:52:01,472 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:01,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:52:00" (1/3) ... [2018-11-18 09:52:01,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58b90173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:52:01, skipping insertion in model container [2018-11-18 09:52:01,473 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:01,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:00" (2/3) ... [2018-11-18 09:52:01,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58b90173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:52:01, skipping insertion in model container [2018-11-18 09:52:01,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:01,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:01" (3/3) ... [2018-11-18 09:52:01,475 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-11-18 09:52:01,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:52:01,522 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:52:01,522 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:52:01,522 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:52:01,522 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:52:01,522 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:52:01,522 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:52:01,522 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:52:01,522 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:52:01,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states. [2018-11-18 09:52:01,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 09:52:01,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:01,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:01,566 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:01,566 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 09:52:01,566 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:52:01,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states. [2018-11-18 09:52:01,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 09:52:01,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:01,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:01,572 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:01,572 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 09:52:01,577 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~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~ret38, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 145#L399true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 41#L392true 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; 147#L407true main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret38;havoc main_#t~ret38; 6#L599true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 153#L575true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 150#L341true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 95#L55-3true [2018-11-18 09:52:01,577 INFO L796 eck$LassoCheckResult]: Loop: 95#L55-3true assume true; 130#L55-1true assume !false; 57#L56true assume test_~splverifierCounter~0 < 4; 174#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 19#L65true assume !(0 != test_~tmp~0); 13#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 75#L75true assume !(0 != test_~tmp___0~0); 52#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 156#L85true assume 0 != test_~tmp___2~0; 107#L91-2true assume { :begin_inline_timeShift } true; 157#L129true assume !(0 != ~pumpRunning~0); 155#L129-2true assume !(0 != ~systemActive~0); 34#L136-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 168#L456true __utac_acc__Specification2_spec__2_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret25;havoc __utac_acc__Specification2_spec__2_#t~ret25; 149#L352true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 154#L352-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 93#L146true assume { :end_inline_timeShift } true; 95#L55-3true [2018-11-18 09:52:01,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:52:01,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:01,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:01,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:01,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:01,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash -177087781, now seen corresponding path program 1 times [2018-11-18 09:52:01,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:01,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:01,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:01,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:01,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:01,750 INFO L82 PathProgramCache]: Analyzing trace with hash -913029358, now seen corresponding path program 1 times [2018-11-18 09:52:01,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:01,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:01,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:01,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:52:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:52:01,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:52:01,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:52:01,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:52:01,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:52:01,977 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 6 states. [2018-11-18 09:52:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:52:02,226 INFO L93 Difference]: Finished difference Result 399 states and 528 transitions. [2018-11-18 09:52:02,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:52:02,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 399 states and 528 transitions. [2018-11-18 09:52:02,238 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 259 [2018-11-18 09:52:02,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 399 states to 369 states and 498 transitions. [2018-11-18 09:52:02,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2018-11-18 09:52:02,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2018-11-18 09:52:02,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 498 transitions. [2018-11-18 09:52:02,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:52:02,252 INFO L705 BuchiCegarLoop]: Abstraction has 369 states and 498 transitions. [2018-11-18 09:52:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 498 transitions. [2018-11-18 09:52:02,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 216. [2018-11-18 09:52:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-18 09:52:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2018-11-18 09:52:02,290 INFO L728 BuchiCegarLoop]: Abstraction has 216 states and 291 transitions. [2018-11-18 09:52:02,290 INFO L608 BuchiCegarLoop]: Abstraction has 216 states and 291 transitions. [2018-11-18 09:52:02,290 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:52:02,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 291 transitions. [2018-11-18 09:52:02,292 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2018-11-18 09:52:02,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:02,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:02,294 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:02,294 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 09:52:02,294 INFO L794 eck$LassoCheckResult]: Stem: 739#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 607#L399 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 644#L392 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; 645#L407 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret38;havoc main_#t~ret38; 596#L599 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 597#L575 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 747#L341 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 716#L55-3 [2018-11-18 09:52:02,295 INFO L796 eck$LassoCheckResult]: Loop: 716#L55-3 assume true; 718#L55-1 assume !false; 673#L56 assume test_~splverifierCounter~0 < 4; 674#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 613#L65 assume !(0 != test_~tmp~0); 595#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 608#L75 assume !(0 != test_~tmp___0~0); 664#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 665#L85 assume 0 != test_~tmp___2~0; 708#L91-2 assume { :begin_inline_timeShift } true; 724#L129 assume !(0 != ~pumpRunning~0); 690#L129-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 730#L187 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 642#L161-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 612#L153-3 assume { :end_inline_processEnvironment__wrappee__base } true; 602#L161-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 603#L187-1 assume { :end_inline_processEnvironment } true; 636#L136-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 637#L456 __utac_acc__Specification2_spec__2_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret25;havoc __utac_acc__Specification2_spec__2_#t~ret25; 746#L352 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 653#L352-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 715#L146 assume { :end_inline_timeShift } true; 716#L55-3 [2018-11-18 09:52:02,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:52:02,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:02,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:02,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:02,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1082256506, now seen corresponding path program 1 times [2018-11-18 09:52:02,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:02,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:02,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,342 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:52:02,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:52:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:52:02,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:52:02,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:52:02,373 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:52:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:52:02,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:52:02,373 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. cyclomatic complexity: 78 Second operand 3 states. [2018-11-18 09:52:02,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:52:02,471 INFO L93 Difference]: Finished difference Result 271 states and 350 transitions. [2018-11-18 09:52:02,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:52:02,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 350 transitions. [2018-11-18 09:52:02,475 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 195 [2018-11-18 09:52:02,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 271 states and 350 transitions. [2018-11-18 09:52:02,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2018-11-18 09:52:02,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2018-11-18 09:52:02,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 350 transitions. [2018-11-18 09:52:02,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:52:02,480 INFO L705 BuchiCegarLoop]: Abstraction has 271 states and 350 transitions. [2018-11-18 09:52:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 350 transitions. [2018-11-18 09:52:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-11-18 09:52:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-11-18 09:52:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 350 transitions. [2018-11-18 09:52:02,492 INFO L728 BuchiCegarLoop]: Abstraction has 271 states and 350 transitions. [2018-11-18 09:52:02,492 INFO L608 BuchiCegarLoop]: Abstraction has 271 states and 350 transitions. [2018-11-18 09:52:02,492 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:52:02,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 350 transitions. [2018-11-18 09:52:02,494 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 195 [2018-11-18 09:52:02,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:02,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:02,495 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:02,495 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:02,496 INFO L794 eck$LassoCheckResult]: Stem: 1237#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1098#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 1099#L399 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1140#L392 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; 1141#L407 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret38;havoc main_#t~ret38; 1089#L599 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 1090#L575 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1247#L341 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1213#L55-3 [2018-11-18 09:52:02,496 INFO L796 eck$LassoCheckResult]: Loop: 1213#L55-3 assume true; 1215#L55-1 assume !false; 1168#L56 assume test_~splverifierCounter~0 < 4; 1169#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1104#L65 assume !(0 != test_~tmp~0); 1087#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1100#L75 assume !(0 != test_~tmp___0~0); 1160#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1161#L85 assume 0 != test_~tmp___2~0; 1206#L91-2 assume { :begin_inline_timeShift } true; 1250#L129 assume !(0 != ~pumpRunning~0); 1249#L129-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1227#L187 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1138#L161-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1139#L496-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1199#L501-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1214#L289-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1211#L289-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1181#L295-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1182#L165-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1106#L153-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1094#L161-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1095#L187-1 assume { :end_inline_processEnvironment } true; 1129#L136-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret25, __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1130#L456 __utac_acc__Specification2_spec__2_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret25;havoc __utac_acc__Specification2_spec__2_#t~ret25; 1246#L352 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 1149#L352-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1212#L146 assume { :end_inline_timeShift } true; 1213#L55-3 [2018-11-18 09:52:02,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:02,496 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:52:02,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:02,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:02,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:02,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:02,533 INFO L82 PathProgramCache]: Analyzing trace with hash -762155138, now seen corresponding path program 1 times [2018-11-18 09:52:02,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:02,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:02,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,534 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:52:02,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 236915431, now seen corresponding path program 1 times [2018-11-18 09:52:02,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:02,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:02,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:02,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:02,691 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-18 09:52:47,848 WARN L180 SmtUtils]: Spent 45.12 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:53:11,614 WARN L180 SmtUtils]: Spent 23.76 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:53:11,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:53:11 BoogieIcfgContainer [2018-11-18 09:53:11,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:53:11,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:53:11,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:53:11,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:53:11,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:01" (3/4) ... [2018-11-18 09:53:11,684 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:53:11,725 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b97a4eef-399e-4e0e-a15d-7d8f2cf83d05/bin-2019/uautomizer/witness.graphml [2018-11-18 09:53:11,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:53:11,726 INFO L168 Benchmark]: Toolchain (without parser) took 71357.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -256.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:11,726 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:11,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -202.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:11,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.57 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 09:53:11,727 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 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 09:53:11,727 INFO L168 Benchmark]: RCFGBuilder took 612.46 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:11,728 INFO L168 Benchmark]: BuchiAutomizer took 70212.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -146.8 MB). Peak memory consumption was 293.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:11,728 INFO L168 Benchmark]: Witness Printer took 43.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:11,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -202.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.57 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 31.08 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 612.46 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 70212.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -146.8 MB). Peak memory consumption was 293.0 MB. Max. memory is 11.5 GB. * Witness Printer took 43.77 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: 6.6 MB). Peak memory consumption was 6.6 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 271 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 70.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 69.6s. 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, 153 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 271 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 450 SDtfs, 994 SDslu, 1082 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "__utac__get_this_arg"=0, "On"=20, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595b07a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42a3c8f2=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13c0dc2a=161, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ee8bfed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40be895f=0, methaneLevelCritical=0, "Pump(System:"=22, ")"=28, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "CRIT"=11, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=23, "libacc.c"=0, tmp___1=0, "Env(Water:%i"=12, "Pump(System:"=0, ") "=15, cleanupTimeShifts=4, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3440d984=0, ",Meth:"=8, ",Pump:"=18, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=37, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44ee5238=0, "libacc.c"=29, retValue_acc=0, "Off"=0, "Off"=19, \result=0, "On"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=33, "libacc.c"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=16, head=0, pumpRunning=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=24, \result=0, "i > 0 && i <= this->argsCount"=35, "libacc.c"=0, "On"=0, "OK"=0, "CRIT"=0, "Off"=0, tmp=1, "OK"=26, retValue_acc=1, \result=1, "libacc.c"=36, "libacc.c"=27, "\n"=14, "__utac__get_this_argtype"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b49db2b=0, tmp___0=0, tmp___2=161, splverifierCounter=0, "__utac__get_this_arg"=0, methAndRunningLastTime=0, \result=0, "libacc.c"=38, "__utac__get_this_arg"=31, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60e29d96=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f48b512=0, ")"=0, "On"=17, ",Meth:"=0, "\n"=0, "__utac__get_this_arg"=34, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] FCALL "Pump(System:" [L253] FCALL "On" [L257] FCALL "Off" [L261] FCALL ",Pump:" [L265] FCALL "On" [L269] FCALL "Off" [L273] FCALL ") " [L275] FCALL "\n" [L465] FCALL "Env(Water:%i" [L466] FCALL ",Meth:" [L470] FCALL "CRIT" [L474] FCALL "OK" [L478] FCALL ")" [L919] FCALL "i > 0 && i <= this->argsCount" [L919] FCALL "libacc.c" [L920] FCALL "__utac__get_this_arg" [L926] FCALL "i > 0 && i <= this->argsCount" [L926] FCALL "libacc.c" [L927] FCALL "__utac__get_this_arg" [L965] FCALL "i > 0 && i <= this->argsCount" [L965] FCALL "libacc.c" [L966] FCALL "__utac__get_this_argtype" [L972] FCALL "i > 0 && i <= this->argsCount" [L972] FCALL "libacc.c" [L973] FCALL "__utac__get_this_argtype" [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L335] int methAndRunningLastTime ; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L516] int cleanupTimeShifts = 4; [L791] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L590] int retValue_acc ; [L591] int tmp ; [L595] FCALL select_helpers() [L596] FCALL select_features() [L597] CALL, EXPR valid_product() [L403] int retValue_acc ; [L406] retValue_acc = 1 [L407] RET return (retValue_acc); [L597] EXPR valid_product() [L597] tmp = valid_product() [L599] COND TRUE \read(tmp) [L601] FCALL setup() [L602] CALL runTest() [L583] CALL __utac_acc__Specification2_spec__1() [L340] RET methAndRunningLastTime = 0 [L583] __utac_acc__Specification2_spec__1() [L584] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L129] COND FALSE !(\read(pumpRunning)) [L136] COND TRUE \read(systemActive) [L138] CALL processEnvironment() [L184] int tmp ; [L187] COND FALSE !(\read(pumpRunning)) [L202] CALL processEnvironment__wrappee__highWaterSensor() [L158] int tmp ; [L161] COND TRUE ! pumpRunning [L163] CALL, EXPR isHighWaterLevel() [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L287] CALL, EXPR isHighWaterSensorDry() [L493] int retValue_acc ; [L496] COND TRUE waterLevel < 2 [L497] retValue_acc = 1 [L498] RET return (retValue_acc); [L287] EXPR isHighWaterSensorDry() [L287] tmp = isHighWaterSensorDry() [L289] COND TRUE \read(tmp) [L290] tmp___0 = 0 [L294] retValue_acc = tmp___0 [L295] RET return (retValue_acc); [L163] EXPR isHighWaterLevel() [L163] tmp = isHighWaterLevel() [L165] COND FALSE !(\read(tmp)) [L171] RET, FCALL processEnvironment__wrappee__base() [L202] RET processEnvironment__wrappee__highWaterSensor() [L138] processEnvironment() [L144] CALL __utac_acc__Specification2_spec__2() [L345] int tmp ; [L346] int tmp___0 ; [L350] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] RET return (retValue_acc); [L350] EXPR isMethaneLevelCritical() [L350] tmp = isMethaneLevelCritical() [L352] COND FALSE !(\read(tmp)) [L368] RET methAndRunningLastTime = 0 [L144] RET __utac_acc__Specification2_spec__2() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...