./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:24:41,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:41,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:41,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:41,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:41,534 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:41,535 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:41,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:41,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:41,538 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:41,539 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:41,539 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:41,540 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:41,540 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:41,541 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:41,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:41,542 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:41,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:41,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:41,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:41,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:41,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:41,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:41,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:41,560 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:41,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:41,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:41,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:41,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:41,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:41,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:41,564 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:41,564 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:41,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:41,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:41,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:41,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 17:24:41,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:41,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:41,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:24:41,586 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:24:41,586 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 17:24:41,586 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 17:24:41,586 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 17:24:41,586 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 17:24:41,586 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 17:24:41,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:41,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:41,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 17:24:41,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:41,589 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:24:41,589 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 17:24:41,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:41,589 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 17:24:41,589 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 17:24:41,590 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 17:24:41,590 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_e819d508-388e-47c4-b56b-a5f8e3850e09/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2018-11-18 17:24:41,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:41,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:41,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:41,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:41,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:41,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 17:24:41,674 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/data/a89075e0e/9bb14d6d38af4105abde69fd1495dcc3/FLAG834a0e70e [2018-11-18 17:24:42,071 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:42,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 17:24:42,082 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/data/a89075e0e/9bb14d6d38af4105abde69fd1495dcc3/FLAG834a0e70e [2018-11-18 17:24:42,460 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/data/a89075e0e/9bb14d6d38af4105abde69fd1495dcc3 [2018-11-18 17:24:42,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:42,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:42,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:42,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:42,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:42,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54dce543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42, skipping insertion in model container [2018-11-18 17:24:42,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:42,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:42,778 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:42,792 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:42,910 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:42,928 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:42,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42 WrapperNode [2018-11-18 17:24:42,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:42,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:42,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:42,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:42,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:42,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:42,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:42,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:42,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:42,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:43,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:43,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... [2018-11-18 17:24:43,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:43,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:43,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:43,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:43,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/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 17:24:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:24:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:43,734 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:43,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:43 BoogieIcfgContainer [2018-11-18 17:24:43,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:43,735 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 17:24:43,735 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 17:24:43,737 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 17:24:43,738 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:24:43,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 05:24:42" (1/3) ... [2018-11-18 17:24:43,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b17a89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:24:43, skipping insertion in model container [2018-11-18 17:24:43,739 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:24:43,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:42" (2/3) ... [2018-11-18 17:24:43,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b17a89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:24:43, skipping insertion in model container [2018-11-18 17:24:43,740 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:24:43,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:43" (3/3) ... [2018-11-18 17:24:43,741 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-18 17:24:43,780 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:24:43,781 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 17:24:43,781 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 17:24:43,781 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 17:24:43,781 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:24:43,781 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:24:43,781 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 17:24:43,782 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:24:43,782 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 17:24:43,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states. [2018-11-18 17:24:43,812 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 17:24:43,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:24:43,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:24:43,820 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:43,820 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 17:24:43,820 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 17:24:43,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states. [2018-11-18 17:24:43,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 17:24:43,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:24:43,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:24:43,825 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:43,826 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 17:24:43,831 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];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(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 77];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 101];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 116];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 104];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 67];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 82];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 73];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 84];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 75];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 36#L348true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 51#L341true 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; 43#L356true main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 77#L445true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 3#L420true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 69#L832true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 78#L185-3true [2018-11-18 17:24:43,835 INFO L796 eck$LassoCheckResult]: Loop: 78#L185-3true assume true; 84#L185-1true assume !false; 5#L186true assume test_~splverifierCounter~0 < 4; 25#L187true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 59#L195true assume !(0 != test_~tmp~0); 56#L195-2true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 39#L205true assume !(0 != test_~tmp___0~0); 34#L205-2true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 18#L215true assume 0 != test_~tmp___2~0; 45#L221-2true assume { :begin_inline_timeShift } true; 86#L57true assume !(0 != ~pumpRunning~0); 81#L57-2true assume !(0 != ~systemActive~0); 75#L64-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 31#L286true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 67#L843true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 73#L843-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 54#L74true assume { :end_inline_timeShift } true; 78#L185-3true [2018-11-18 17:24:43,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:43,842 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 17:24:43,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:43,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:43,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:43,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:43,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:44,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1248284283, now seen corresponding path program 1 times [2018-11-18 17:24:44,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:44,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:44,049 INFO L82 PathProgramCache]: Analyzing trace with hash 512342706, now seen corresponding path program 1 times [2018-11-18 17:24:44,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:44,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:44,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:44,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:44,212 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 17:24:44,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:44,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:44,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:24:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:24:44,344 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 6 states. [2018-11-18 17:24:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:44,648 INFO L93 Difference]: Finished difference Result 225 states and 288 transitions. [2018-11-18 17:24:44,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:24:44,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 288 transitions. [2018-11-18 17:24:44,655 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2018-11-18 17:24:44,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 195 states and 258 transitions. [2018-11-18 17:24:44,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2018-11-18 17:24:44,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2018-11-18 17:24:44,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 258 transitions. [2018-11-18 17:24:44,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 17:24:44,664 INFO L705 BuchiCegarLoop]: Abstraction has 195 states and 258 transitions. [2018-11-18 17:24:44,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 258 transitions. [2018-11-18 17:24:44,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 129. [2018-11-18 17:24:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-18 17:24:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2018-11-18 17:24:44,699 INFO L728 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2018-11-18 17:24:44,699 INFO L608 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2018-11-18 17:24:44,700 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 17:24:44,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 171 transitions. [2018-11-18 17:24:44,702 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2018-11-18 17:24:44,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:24:44,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:24:44,702 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:44,703 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 17:24:44,703 INFO L794 eck$LassoCheckResult]: Stem: 374#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];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(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 77];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 101];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 116];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 104];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 67];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 82];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 73];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 84];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 75];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 348#L348 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 377#L341 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; 383#L356 main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 384#L445 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 328#L420 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 329#L832 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 390#L185-3 [2018-11-18 17:24:44,703 INFO L796 eck$LassoCheckResult]: Loop: 390#L185-3 assume true; 400#L185-1 assume !false; 330#L186 assume test_~splverifierCounter~0 < 4; 331#L187 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 361#L195 assume !(0 != test_~tmp~0); 391#L195-2 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 380#L205 assume !(0 != test_~tmp___0~0); 375#L205-2 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 352#L215 assume 0 != test_~tmp___2~0; 353#L221-2 assume { :begin_inline_timeShift } true; 387#L57 assume !(0 != ~pumpRunning~0); 379#L57-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 362#L81 assume { :end_inline_processEnvironment } true; 363#L64-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 370#L286 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 371#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 356#L843-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 389#L74 assume { :end_inline_timeShift } true; 390#L185-3 [2018-11-18 17:24:44,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:44,704 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 17:24:44,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:44,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash 670008036, now seen corresponding path program 1 times [2018-11-18 17:24:44,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:44,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:44,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,775 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 17:24:44,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:44,785 INFO L82 PathProgramCache]: Analyzing trace with hash -669344371, now seen corresponding path program 1 times [2018-11-18 17:24:44,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:24:44,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:24:44,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:44,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:24:45,024 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-18 17:24:45,158 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-18 17:25:56,323 WARN L180 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 17:26:18,573 WARN L180 SmtUtils]: Spent 22.24 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 17:26:18,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 05:26:18 BoogieIcfgContainer [2018-11-18 17:26:18,661 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 17:26:18,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:26:18,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:26:18,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:26:18,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:43" (3/4) ... [2018-11-18 17:26:18,666 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 17:26:18,711 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e819d508-388e-47c4-b56b-a5f8e3850e09/bin-2019/uautomizer/witness.graphml [2018-11-18 17:26:18,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:26:18,712 INFO L168 Benchmark]: Toolchain (without parser) took 96248.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 957.1 MB in the beginning and 804.8 MB in the end (delta: 152.3 MB). Peak memory consumption was 358.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,712 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:26:18,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,713 INFO L168 Benchmark]: Boogie Preprocessor took 32.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,714 INFO L168 Benchmark]: RCFGBuilder took 722.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,714 INFO L168 Benchmark]: BuchiAutomizer took 94926.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 804.8 MB in the end (delta: 262.1 MB). Peak memory consumption was 326.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:26:18,715 INFO L168 Benchmark]: Witness Printer took 49.32 ms. Allocated memory is still 1.2 GB. Free memory is still 804.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:26:18,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 722.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 94926.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 804.8 MB in the end (delta: 262.1 MB). Peak memory consumption was 326.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.32 ms. Allocated memory is still 1.2 GB. Free memory is still 804.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 94.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 94.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 100 SDtfs, 451 SDslu, 532 SDs, 0 SdLazy, 38 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 185]: 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, "libacc.c"=0, "__utac__get_this_argtype"=0, "On"=26, "libacc.c"=39, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=34, "libacc.c"=33, "__utac__get_this_arg"=38, methaneLevelCritical=0, ",Pump:"=27, "__utac__get_this_argtype"=0, "Pump(System:"=29, tmp___1=0, "On"=0, ",Pump:"=0, "Off"=0, "Pump(System:"=0, "OK"=17, cleanupTimeShifts=4, tmp=0, ") "=23, "__utac__get_this_arg"=11, NULL=0, systemActive=1, waterLevel=1, ")"=0, ") "=0, "Off"=0, "Off"=24, retValue_acc=0, "On"=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=37, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "On"=28, \result=1, head=0, pumpRunning=0, \result=0, "libacc.c"=14, tmp=1, "\n"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "libacc.c"=36, "Env(Water:%i"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4039a1f6=0, tmp___2=162, tmp___0=0, ")"=16, "CRIT"=18, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "Off"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20f8b40c=162, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25965a0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6742de88=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6289816e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1006931d=0, "CRIT"=0, "OK"=0, ",Meth:"=19, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@336765bb=0, "\n"=22, "Env(Water:%i"=0, "__utac__get_this_argtype"=35, "i > 0 && i <= this->argsCount"=12, tmp=0, "__utac__get_this_argtype"=31, "i > 0 && i <= this->argsCount"=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 185]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L125] FCALL "Pump(System:" [L129] FCALL "On" [L133] FCALL "Off" [L137] FCALL ",Pump:" [L141] FCALL "On" [L145] FCALL "Off" [L149] FCALL ") " [L151] FCALL "\n" [L295] FCALL "Env(Water:%i" [L296] FCALL ",Meth:" [L300] FCALL "CRIT" [L304] FCALL "OK" [L308] FCALL ")" [L756] FCALL "i > 0 && i <= this->argsCount" [L756] FCALL "libacc.c" [L757] FCALL "__utac__get_this_arg" [L763] FCALL "i > 0 && i <= this->argsCount" [L763] FCALL "libacc.c" [L764] FCALL "__utac__get_this_arg" [L802] FCALL "i > 0 && i <= this->argsCount" [L802] FCALL "libacc.c" [L803] FCALL "__utac__get_this_argtype" [L809] FCALL "i > 0 && i <= this->argsCount" [L809] FCALL "libacc.c" [L810] FCALL "__utac__get_this_argtype" [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L243] int waterLevel = 1; [L244] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L826] int methAndRunningLastTime ; [L628] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L436] int retValue_acc ; [L437] int tmp ; [L441] FCALL select_helpers() [L442] FCALL select_features() [L443] CALL, EXPR valid_product() [L352] int retValue_acc ; [L355] retValue_acc = 1 [L356] RET return (retValue_acc); [L443] EXPR valid_product() [L443] tmp = valid_product() [L445] COND TRUE \read(tmp) [L447] FCALL setup() [L448] CALL runTest() [L429] CALL __utac_acc__Specification2_spec__1() [L831] RET methAndRunningLastTime = 0 [L429] __utac_acc__Specification2_spec__1() [L430] CALL test() [L176] int splverifierCounter ; [L177] int tmp ; [L178] int tmp___0 ; [L179] int tmp___1 ; [L180] int tmp___2 ; [L183] splverifierCounter = 0 Loop: [L185] COND TRUE 1 [L187] COND TRUE splverifierCounter < 4 [L193] tmp = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp)) [L203] tmp___0 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___0)) [L213] tmp___2 = __VERIFIER_nondet_int() [L215] COND TRUE \read(tmp___2) [L230] CALL timeShift() [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L66] FCALL processEnvironment() [L72] CALL __utac_acc__Specification2_spec__2() [L836] int tmp ; [L837] int tmp___0 ; [L841] CALL, EXPR isMethaneLevelCritical() [L282] int retValue_acc ; [L285] retValue_acc = methaneLevelCritical [L286] RET return (retValue_acc); [L841] EXPR isMethaneLevelCritical() [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] RET methAndRunningLastTime = 0 [L72] RET __utac_acc__Specification2_spec__2() [L230] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...