./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product42_false-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_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/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 ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:39:09,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:39:09,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:39:09,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:39:09,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:39:09,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:39:09,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:39:09,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:39:09,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:39:09,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:39:09,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:39:09,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:39:09,511 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:39:09,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:39:09,512 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:39:09,513 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:39:09,513 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:39:09,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:39:09,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:39:09,517 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:39:09,517 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:39:09,518 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:39:09,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:39:09,520 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:39:09,520 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:39:09,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:39:09,521 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:39:09,522 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:39:09,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:39:09,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:39:09,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:39:09,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:39:09,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:39:09,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:39:09,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:39:09,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:39:09,525 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:39:09,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:39:09,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:39:09,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:39:09,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:39:09,537 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:39:09,537 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:39:09,537 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:39:09,537 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:39:09,537 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:39:09,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:39:09,538 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:39:09,539 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:39:09,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:39:09,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:39:09,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:39:09,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:39:09,540 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:39:09,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:39:09,540 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:39:09,541 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:39:09,541 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:39:09,541 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_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/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 -> ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 [2018-11-18 14:39:09,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:39:09,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:39:09,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:39:09,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:39:09,577 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:39:09,578 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2018-11-18 14:39:09,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/data/0f6646751/06e9be194afa442482063a307dd61a10/FLAGd01886283 [2018-11-18 14:39:09,980 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:39:09,980 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/sv-benchmarks/c/product-lines/minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2018-11-18 14:39:09,990 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/data/0f6646751/06e9be194afa442482063a307dd61a10/FLAGd01886283 [2018-11-18 14:39:10,000 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/data/0f6646751/06e9be194afa442482063a307dd61a10 [2018-11-18 14:39:10,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:39:10,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:39:10,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:39:10,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:39:10,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:39:10,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10, skipping insertion in model container [2018-11-18 14:39:10,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:39:10,054 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:39:10,262 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:39:10,271 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:39:10,380 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:39:10,397 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:39:10,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10 WrapperNode [2018-11-18 14:39:10,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:39:10,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:39:10,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:39:10,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:39:10,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:39:10,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:39:10,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:39:10,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:39:10,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... [2018-11-18 14:39:10,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:39:10,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:39:10,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:39:10,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:39:10,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/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 14:39:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:39:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:39:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:39:11,013 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:39:11,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:39:11 BoogieIcfgContainer [2018-11-18 14:39:11,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:39:11,014 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:39:11,014 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:39:11,016 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:39:11,017 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:39:11,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:39:10" (1/3) ... [2018-11-18 14:39:11,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aab63c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:39:11, skipping insertion in model container [2018-11-18 14:39:11,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:39:11,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (2/3) ... [2018-11-18 14:39:11,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aab63c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:39:11, skipping insertion in model container [2018-11-18 14:39:11,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:39:11,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:39:11" (3/3) ... [2018-11-18 14:39:11,020 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2018-11-18 14:39:11,054 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:39:11,055 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:39:11,055 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:39:11,055 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:39:11,055 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:39:11,055 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:39:11,055 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:39:11,055 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:39:11,055 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:39:11,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states. [2018-11-18 14:39:11,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-18 14:39:11,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:39:11,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:39:11,095 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,095 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,095 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:39:11,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states. [2018-11-18 14:39:11,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-18 14:39:11,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:39:11,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:39:11,101 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,101 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,105 INFO L794 eck$LassoCheckResult]: Stem: 99#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 64#L730true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 122#L723true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 69#L738true main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 85#L826true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 43#L802true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 73#L672true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 92#L421-3true [2018-11-18 14:39:11,106 INFO L796 eck$LassoCheckResult]: Loop: 92#L421-3true assume true; 86#L421-1true assume !false; 50#L422true assume test_~splverifierCounter~0 < 4; 124#L423true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 28#L431true assume !(0 != test_~tmp~3); 4#L431-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 52#L441true assume !(0 != test_~tmp___0~0); 55#L441-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 105#L451true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; 118#L459true assume 0 != test_~tmp___1~0; 111#L459-2true assume { :begin_inline_timeShift } true; 32#L494true assume !(0 != ~pumpRunning~0); 34#L494-2true assume !(0 != ~systemActive~0); 77#L501-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 37#L893-1true __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 72#L683true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 75#L683-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 16#L511true assume { :end_inline_timeShift } true; 92#L421-3true [2018-11-18 14:39:11,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:39:11,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,275 INFO L82 PathProgramCache]: Analyzing trace with hash 423136762, now seen corresponding path program 1 times [2018-11-18 14:39:11,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,290 INFO L82 PathProgramCache]: Analyzing trace with hash -916215645, now seen corresponding path program 1 times [2018-11-18 14:39:11,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:39:11,408 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 14:39:11,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:39:11,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:39:11,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:39:11,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:39:11,514 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 6 states. [2018-11-18 14:39:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:39:11,677 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2018-11-18 14:39:11,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:39:11,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 155 transitions. [2018-11-18 14:39:11,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 14:39:11,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 111 states and 145 transitions. [2018-11-18 14:39:11,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2018-11-18 14:39:11,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2018-11-18 14:39:11,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 145 transitions. [2018-11-18 14:39:11,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:39:11,692 INFO L705 BuchiCegarLoop]: Abstraction has 111 states and 145 transitions. [2018-11-18 14:39:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 145 transitions. [2018-11-18 14:39:11,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 14:39:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 14:39:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2018-11-18 14:39:11,719 INFO L728 BuchiCegarLoop]: Abstraction has 111 states and 145 transitions. [2018-11-18 14:39:11,720 INFO L608 BuchiCegarLoop]: Abstraction has 111 states and 145 transitions. [2018-11-18 14:39:11,720 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:39:11,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 145 transitions. [2018-11-18 14:39:11,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 14:39:11,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:39:11,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:39:11,722 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,722 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,723 INFO L794 eck$LassoCheckResult]: Stem: 359#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 288#L730 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 342#L723 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 345#L738 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 346#L826 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 323#L802 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 324#L672 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 286#L421-3 [2018-11-18 14:39:11,723 INFO L796 eck$LassoCheckResult]: Loop: 286#L421-3 assume true; 355#L421-1 assume !false; 329#L422 assume test_~splverifierCounter~0 < 4; 330#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 302#L431 assume !(0 != test_~tmp~3); 268#L431-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 269#L441 assume !(0 != test_~tmp___0~0); 332#L441-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 334#L451 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; 363#L459 assume 0 != test_~tmp___1~0; 351#L459-2 assume { :begin_inline_timeShift } true; 310#L494 assume !(0 != ~pumpRunning~0); 312#L494-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 315#L526 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 341#L518-1 assume { :end_inline_processEnvironment__wrappee__base } true; 300#L526-1 assume { :end_inline_processEnvironment } true; 344#L501-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 318#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 319#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 308#L683-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 285#L511 assume { :end_inline_timeShift } true; 286#L421-3 [2018-11-18 14:39:11,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,723 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:39:11,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1356882334, now seen corresponding path program 1 times [2018-11-18 14:39:11,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,771 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:39:11,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:39:11,798 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 14:39:11,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:39:11,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:39:11,799 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:39:11,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:39:11,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:39:11,800 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. cyclomatic complexity: 36 Second operand 3 states. [2018-11-18 14:39:11,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:39:11,853 INFO L93 Difference]: Finished difference Result 172 states and 219 transitions. [2018-11-18 14:39:11,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:39:11,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 172 states and 219 transitions. [2018-11-18 14:39:11,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 14:39:11,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 172 states to 172 states and 219 transitions. [2018-11-18 14:39:11,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2018-11-18 14:39:11,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2018-11-18 14:39:11,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 219 transitions. [2018-11-18 14:39:11,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:39:11,860 INFO L705 BuchiCegarLoop]: Abstraction has 172 states and 219 transitions. [2018-11-18 14:39:11,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 219 transitions. [2018-11-18 14:39:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-11-18 14:39:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-18 14:39:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2018-11-18 14:39:11,868 INFO L728 BuchiCegarLoop]: Abstraction has 172 states and 219 transitions. [2018-11-18 14:39:11,868 INFO L608 BuchiCegarLoop]: Abstraction has 172 states and 219 transitions. [2018-11-18 14:39:11,869 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:39:11,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 219 transitions. [2018-11-18 14:39:11,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 14:39:11,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:39:11,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:39:11,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:11,871 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] [2018-11-18 14:39:11,871 INFO L794 eck$LassoCheckResult]: Stem: 657#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~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 576#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 577#L730 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 634#L723 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 637#L738 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 638#L826 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 612#L802 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 613#L672 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 575#L421-3 [2018-11-18 14:39:11,872 INFO L796 eck$LassoCheckResult]: Loop: 575#L421-3 assume true; 650#L421-1 assume !false; 618#L422 assume test_~splverifierCounter~0 < 4; 619#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 593#L431 assume !(0 != test_~tmp~3); 557#L431-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 558#L441 assume !(0 != test_~tmp___0~0); 621#L441-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 624#L451 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 642#L661 assume { :end_inline_startSystem } true; 643#L459-2 assume { :begin_inline_timeShift } true; 601#L494 assume !(0 != ~pumpRunning~0); 602#L494-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 605#L526 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 635#L933 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 660#L938 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 672#L646 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 669#L646-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 663#L652 processEnvironment_#t~ret39 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; 585#L530 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 587#L518 assume { :end_inline_processEnvironment__wrappee__base } true; 590#L526-1 assume { :end_inline_processEnvironment } true; 636#L501-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 607#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 608#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 599#L683-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 574#L511 assume { :end_inline_timeShift } true; 575#L421-3 [2018-11-18 14:39:11,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,872 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:39:11,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,910 INFO L82 PathProgramCache]: Analyzing trace with hash -438315801, now seen corresponding path program 1 times [2018-11-18 14:39:11,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,912 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:39:11,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:11,924 INFO L82 PathProgramCache]: Analyzing trace with hash -267540386, now seen corresponding path program 1 times [2018-11-18 14:39:11,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:39:11,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:39:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:39:12,087 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-18 14:39:47,324 WARN L180 SmtUtils]: Spent 35.18 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:40:08,265 WARN L180 SmtUtils]: Spent 20.94 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:40:08,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:40:08 BoogieIcfgContainer [2018-11-18 14:40:08,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:40:08,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:40:08,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:40:08,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:40:08,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:39:11" (3/4) ... [2018-11-18 14:40:08,346 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:40:08,397 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0d3e6456-5e5a-465e-864b-e16a8fddb5d1/bin-2019/uautomizer/witness.graphml [2018-11-18 14:40:08,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:40:08,398 INFO L168 Benchmark]: Toolchain (without parser) took 58394.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 957.6 MB in the beginning and 913.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 222.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,399 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:40:08,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,399 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:40:08,400 INFO L168 Benchmark]: RCFGBuilder took 546.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,400 INFO L168 Benchmark]: BuchiAutomizer took 57328.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 145.6 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,400 INFO L168 Benchmark]: Witness Printer took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 919.8 MB in the beginning and 913.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:40:08,402 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 546.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57328.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 145.6 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 919.8 MB in the beginning and 913.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 172 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 56.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 172 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 297 SDtfs, 570 SDslu, 84 SDs, 0 SdLazy, 29 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 421]: 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, "Env(Water:%i"=0, "Off"=0, ") "=19, "On"=0, retValue_acc=0, "Pump(System:"=0, ")"=20, "Env(Water:%i"=12, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b8d0016=0, tmp___0=0, retValue_acc=0, tmp=0, "CRIT"=0, ",Meth:"=0, "CRIT"=31, tmp___1=0, "__utac__get_this_argtype"=37, "__utac__get_this_arg"=11, "__utac__get_this_arg"=16, "libacc.c"=24, cleanupTimeShifts=4, "libacc.c"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6468e4d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@543c3bc0=0, "On"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29cf16ea=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@755aa7c9=0, "Off"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ea8e4ca=0, "__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, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, ",Pump:"=0, \result=0, "Off"=17, tmp___0=0, ") "=0, "\n"=0, "Off"=0, \result=1, "i > 0 && i <= this->argsCount"=29, head=0, pumpRunning=0, ",Pump:"=18, "\n"=34, \result=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=0, ",Meth:"=27, "OK"=0, tmp=1, "On"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "libacc.c"=28, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3548e632=0, tmp___2=157, retValue_acc=1, "i > 0 && i <= this->argsCount"=15, tmp=1, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "OK"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@580ed65a=0, head=0, tmp=0, "libacc.c"=0, "libacc.c"=23, "i > 0 && i <= this->argsCount"=26, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=38, "libacc.c"=0, "libacc.c"=0, "Pump(System:"=35, "On"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@493a7914=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 421]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L606] FCALL "Pump(System:" [L610] FCALL "On" [L614] FCALL "Off" [L618] FCALL ",Pump:" [L622] FCALL "On" [L626] FCALL "Off" [L630] FCALL ") " [L632] FCALL "\n" [L902] FCALL "Env(Water:%i" [L903] FCALL ",Meth:" [L907] FCALL "CRIT" [L911] FCALL "OK" [L915] FCALL ")" [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int retValue_acc ; [L818] int tmp ; [L822] FCALL select_helpers() [L823] FCALL select_features() [L824] CALL, EXPR valid_product() [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] RET return (retValue_acc); [L824] EXPR valid_product() [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L828] FCALL setup() [L829] CALL runTest() [L810] CALL __utac_acc__Specification2_spec__1() [L671] RET methAndRunningLastTime = 0 [L810] __utac_acc__Specification2_spec__1() [L811] CALL test() [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] splverifierCounter = 0 Loop: [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND FALSE !(\read(tmp)) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___2) [L453] CALL startSystem() [L660] RET systemActive = 1 [L453] startSystem() [L466] CALL timeShift() [L494] COND FALSE !(\read(pumpRunning)) [L501] COND TRUE \read(systemActive) [L503] CALL processEnvironment() [L523] int tmp ; [L526] COND TRUE ! pumpRunning [L528] CALL, EXPR isHighWaterLevel() [L638] int retValue_acc ; [L639] int tmp ; [L640] int tmp___0 ; [L644] CALL, EXPR isHighWaterSensorDry() [L930] int retValue_acc ; [L933] COND TRUE waterLevel < 2 [L934] retValue_acc = 1 [L935] RET return (retValue_acc); [L644] EXPR isHighWaterSensorDry() [L644] tmp = isHighWaterSensorDry() [L646] COND TRUE \read(tmp) [L647] tmp___0 = 0 [L651] retValue_acc = tmp___0 [L652] RET return (retValue_acc); [L528] EXPR isHighWaterLevel() [L528] tmp = isHighWaterLevel() [L530] COND FALSE !(\read(tmp)) [L536] RET, FCALL processEnvironment__wrappee__base() [L503] processEnvironment() [L509] CALL __utac_acc__Specification2_spec__2() [L676] int tmp ; [L677] int tmp___0 ; [L681] CALL, EXPR isMethaneLevelCritical() [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] RET return (retValue_acc); [L681] EXPR isMethaneLevelCritical() [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] RET methAndRunningLastTime = 0 [L509] RET __utac_acc__Specification2_spec__2() [L466] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...