./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32_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_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/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 249d62a54436f1843aa0e9d30b8a57435cee856a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:58:25,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:58:25,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:58:25,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:58:25,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:58:25,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:58:25,754 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:58:25,755 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:58:25,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:58:25,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:58:25,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:58:25,757 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:58:25,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:58:25,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:58:25,759 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:58:25,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:58:25,760 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:58:25,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:58:25,763 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:58:25,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:58:25,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:58:25,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:58:25,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:58:25,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:58:25,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:58:25,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:58:25,769 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:58:25,769 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:58:25,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:58:25,770 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:58:25,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:58:25,771 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:58:25,771 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:58:25,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:58:25,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:58:25,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:58:25,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:58:25,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:58:25,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:58:25,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:58:25,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:58:25,784 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:58:25,784 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:58:25,784 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:58:25,785 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:58:25,785 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:58:25,786 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:58:25,787 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:58:25,787 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:58:25,787 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:58:25,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:58:25,787 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:58:25,787 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:58:25,788 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:58:25,788 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_ddc67522-5007-46f2-8bed-429a39985ad8/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 -> 249d62a54436f1843aa0e9d30b8a57435cee856a [2018-11-18 10:58:25,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:58:25,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:58:25,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:58:25,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:58:25,819 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:58:25,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:25,854 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/data/aa185e00c/1ffd851d91dd47f9aacb7a8f3182f83d/FLAGdaab8abac [2018-11-18 10:58:26,270 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:58:26,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:26,277 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/data/aa185e00c/1ffd851d91dd47f9aacb7a8f3182f83d/FLAGdaab8abac [2018-11-18 10:58:26,285 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/data/aa185e00c/1ffd851d91dd47f9aacb7a8f3182f83d [2018-11-18 10:58:26,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:58:26,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:58:26,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:58:26,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:58:26,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:58:26,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,293 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 10:58:26, skipping insertion in model container [2018-11-18 10:58:26,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:58:26,328 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:58:26,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:58:26,529 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:58:26,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:58:26,640 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:58:26,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26 WrapperNode [2018-11-18 10:58:26,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:58:26,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:58:26,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:58:26,641 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:58:26,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:58:26,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:58:26,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:58:26,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:58:26,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... [2018-11-18 10:58:26,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:58:26,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:58:26,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:58:26,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:58:26,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:58:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:58:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:58:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:58:27,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:58:27,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:27 BoogieIcfgContainer [2018-11-18 10:58:27,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:58:27,335 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:58:27,335 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:58:27,337 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:58:27,338 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:27,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:58:26" (1/3) ... [2018-11-18 10:58:27,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d307e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:58:27, skipping insertion in model container [2018-11-18 10:58:27,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:27,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:26" (2/3) ... [2018-11-18 10:58:27,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d307e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:58:27, skipping insertion in model container [2018-11-18 10:58:27,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:27,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:27" (3/3) ... [2018-11-18 10:58:27,341 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:27,387 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:58:27,388 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:58:27,388 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:58:27,388 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:58:27,388 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:58:27,388 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:58:27,389 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:58:27,389 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:58:27,389 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:58:27,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states. [2018-11-18 10:58:27,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 10:58:27,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:27,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:27,436 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:27,436 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:27,437 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:58:27,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states. [2018-11-18 10:58:27,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 10:58:27,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:27,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:27,444 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:27,444 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:27,449 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);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~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 10#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 150#L167true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 79#L141true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 127#L498true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 117#L432-3true [2018-11-18 10:58:27,450 INFO L796 eck$LassoCheckResult]: Loop: 117#L432-3true assume true; 130#L432-1true assume !false; 53#L433true assume test_~splverifierCounter~0 < 4; 160#L434true test_~tmp~5 := test_#t~nondet23;havoc test_#t~nondet23; 17#L442true assume !(0 != test_~tmp~5); 6#L442-2true test_~tmp___0~1 := test_#t~nondet24;havoc test_#t~nondet24; 58#L452true assume !(0 != test_~tmp___0~1); 60#L452-2true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 131#L462true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 132#L418true assume { :end_inline_startSystem } true; 138#L470-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 70#L339true __utac_acc__Specification5_spec__2_#t~ret27 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27;havoc __utac_acc__Specification5_spec__2_#t~ret27; 12#L508true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 155#L211true assume !(0 != ~pumpRunning~0); 149#L211-2true assume !(0 != ~systemActive~0); 85#L218-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_#t~ret29, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 153#L982true __utac_acc__Specification5_spec__3_#t~ret28 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret28;havoc __utac_acc__Specification5_spec__3_#t~ret28; 11#L519true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 13#L519-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 145#L228true assume { :end_inline_timeShift } true; 117#L432-3true [2018-11-18 10:58:27,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:58:27,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:27,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:27,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:27,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash -524180613, now seen corresponding path program 1 times [2018-11-18 10:58:27,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:27,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:27,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:27,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:58:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:58:27,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:58:27,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:58:27,675 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:58:27,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:58:27,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:58:27,690 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 3 states. [2018-11-18 10:58:27,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:58:27,742 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2018-11-18 10:58:27,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:58:27,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 410 transitions. [2018-11-18 10:58:27,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2018-11-18 10:58:27,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 298 states and 389 transitions. [2018-11-18 10:58:27,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2018-11-18 10:58:27,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2018-11-18 10:58:27,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 389 transitions. [2018-11-18 10:58:27,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:58:27,755 INFO L705 BuchiCegarLoop]: Abstraction has 298 states and 389 transitions. [2018-11-18 10:58:27,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 389 transitions. [2018-11-18 10:58:27,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2018-11-18 10:58:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-11-18 10:58:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 385 transitions. [2018-11-18 10:58:27,784 INFO L728 BuchiCegarLoop]: Abstraction has 295 states and 385 transitions. [2018-11-18 10:58:27,784 INFO L608 BuchiCegarLoop]: Abstraction has 295 states and 385 transitions. [2018-11-18 10:58:27,784 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:58:27,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 385 transitions. [2018-11-18 10:58:27,786 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 10:58:27,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:27,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:27,788 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:27,788 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] [2018-11-18 10:58:27,789 INFO L794 eck$LassoCheckResult]: Stem: 642#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);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~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 504#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 505#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 506#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 502#L73 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 503#L167 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 602#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 603#L498 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 643#L432-3 [2018-11-18 10:58:27,789 INFO L796 eck$LassoCheckResult]: Loop: 643#L432-3 assume true; 645#L432-1 assume !false; 566#L433 assume test_~splverifierCounter~0 < 4; 567#L434 test_~tmp~5 := test_#t~nondet23;havoc test_#t~nondet23; 698#L442 assume !(0 != test_~tmp~5); 697#L442-2 test_~tmp___0~1 := test_#t~nondet24;havoc test_#t~nondet24; 695#L452 assume !(0 != test_~tmp___0~1); 693#L452-2 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 646#L462 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 647#L418 assume { :end_inline_startSystem } true; 649#L470-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 589#L339 __utac_acc__Specification5_spec__2_#t~ret27 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27;havoc __utac_acc__Specification5_spec__2_#t~ret27; 510#L508 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 511#L211 assume !(0 != ~pumpRunning~0); 665#L211-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 666#L269 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 550#L243-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 527#L235-3 assume { :end_inline_processEnvironment__wrappee__base } true; 528#L243-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 548#L269-1 assume { :end_inline_processEnvironment } true; 681#L218-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_#t~ret29, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 706#L982 __utac_acc__Specification5_spec__3_#t~ret28 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret28;havoc __utac_acc__Specification5_spec__3_#t~ret28; 704#L519 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 701#L519-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 661#L228 assume { :end_inline_timeShift } true; 643#L432-3 [2018-11-18 10:58:27,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:27,789 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:58:27,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:27,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:27,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:27,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:27,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1882089977, now seen corresponding path program 1 times [2018-11-18 10:58:27,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:27,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:27,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:58:27,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:27,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:27,864 INFO L82 PathProgramCache]: Analyzing trace with hash -612639938, now seen corresponding path program 1 times [2018-11-18 10:58:27,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:27,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:27,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:27,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:58:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:58:27,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:58:27,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:58:28,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:58:28,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:58:28,081 INFO L87 Difference]: Start difference. First operand 295 states and 385 transitions. cyclomatic complexity: 93 Second operand 5 states. [2018-11-18 10:58:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:58:28,341 INFO L93 Difference]: Finished difference Result 896 states and 1161 transitions. [2018-11-18 10:58:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:58:28,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 896 states and 1161 transitions. [2018-11-18 10:58:28,349 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 398 [2018-11-18 10:58:28,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 896 states to 896 states and 1161 transitions. [2018-11-18 10:58:28,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 896 [2018-11-18 10:58:28,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 896 [2018-11-18 10:58:28,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 896 states and 1161 transitions. [2018-11-18 10:58:28,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:58:28,358 INFO L705 BuchiCegarLoop]: Abstraction has 896 states and 1161 transitions. [2018-11-18 10:58:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states and 1161 transitions. [2018-11-18 10:58:28,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 574. [2018-11-18 10:58:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-18 10:58:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 740 transitions. [2018-11-18 10:58:28,378 INFO L728 BuchiCegarLoop]: Abstraction has 574 states and 740 transitions. [2018-11-18 10:58:28,379 INFO L608 BuchiCegarLoop]: Abstraction has 574 states and 740 transitions. [2018-11-18 10:58:28,379 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:58:28,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 574 states and 740 transitions. [2018-11-18 10:58:28,382 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 398 [2018-11-18 10:58:28,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:28,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:28,383 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:28,383 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 10:58:28,383 INFO L794 eck$LassoCheckResult]: Stem: 1854#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);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~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1712#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1713#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1709#L73 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 1710#L167 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1816#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1817#L498 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1849#L432-3 [2018-11-18 10:58:28,383 INFO L796 eck$LassoCheckResult]: Loop: 1849#L432-3 assume true; 1850#L432-1 assume !false; 1778#L433 assume test_~splverifierCounter~0 < 4; 1779#L434 test_~tmp~5 := test_#t~nondet23;havoc test_#t~nondet23; 1724#L442 assume !(0 != test_~tmp~5); 1705#L442-2 test_~tmp___0~1 := test_#t~nondet24;havoc test_#t~nondet24; 1706#L452 assume !(0 != test_~tmp___0~1); 1747#L452-2 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 1787#L462 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1856#L418 assume { :end_inline_startSystem } true; 1858#L470-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1802#L339 __utac_acc__Specification5_spec__2_#t~ret27 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27;havoc __utac_acc__Specification5_spec__2_#t~ret27; 1716#L508 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1717#L211 assume !(0 != ~pumpRunning~0); 1870#L211-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1871#L269 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1884#L243-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2039#L235-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1757#L243-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1758#L269-1 assume { :end_inline_processEnvironment } true; 1824#L218-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28, __utac_acc__Specification5_spec__3_#t~ret29, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1825#L982 __utac_acc__Specification5_spec__3_#t~ret28 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret28;havoc __utac_acc__Specification5_spec__3_#t~ret28; 1714#L519 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1715#L339-1 __utac_acc__Specification5_spec__3_#t~ret29 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret29;havoc __utac_acc__Specification5_spec__3_#t~ret29; 1910#L523 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1909#L519-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1866#L228 assume { :end_inline_timeShift } true; 1849#L432-3 [2018-11-18 10:58:28,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:28,384 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:58:28,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:28,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:28,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:28,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash -526332862, now seen corresponding path program 1 times [2018-11-18 10:58:28,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:28,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:28,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:58:28,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash -355557447, now seen corresponding path program 1 times [2018-11-18 10:58:28,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:28,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:28,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:28,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:28,596 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-11-18 10:59:11,478 WARN L180 SmtUtils]: Spent 42.84 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:59:23,644 WARN L180 SmtUtils]: Spent 12.16 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:59:23,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:59:23 BoogieIcfgContainer [2018-11-18 10:59:23,704 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:59:23,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:59:23,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:59:23,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:59:23,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:27" (3/4) ... [2018-11-18 10:59:23,707 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:59:23,748 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddc67522-5007-46f2-8bed-429a39985ad8/bin-2019/uautomizer/witness.graphml [2018-11-18 10:59:23,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:59:23,749 INFO L168 Benchmark]: Toolchain (without parser) took 57460.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -211.7 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,749 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:59:23,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.66 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 10:59:23,750 INFO L168 Benchmark]: Boogie Preprocessor took 23.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,750 INFO L168 Benchmark]: RCFGBuilder took 634.66 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: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,750 INFO L168 Benchmark]: BuchiAutomizer took 56369.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.6 MB). Peak memory consumption was 305.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,751 INFO L168 Benchmark]: Witness Printer took 43.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:23,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.66 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. * Boogie Preprocessor took 23.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 634.66 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: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56369.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.6 MB). Peak memory consumption was 305.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 574 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 55.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 325 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 574 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 513 SDtfs, 976 SDslu, 867 SDs, 0 SdLazy, 105 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 432]: 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 {"On"=28, NULL=0, "__utac__get_this_argtype"=0, retValue_acc=1, retValue_acc=0, "Pump(System:"=34, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "OK"=37, "Off"=31, methaneLevelCritical=0, tmp=1, tmp=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7864c7a0=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "__utac__get_this_arg"=20, \result=0, "__utac__get_this_arg"=17, "Off"=27, "\n"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=15, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, head=0, pumpRunning=0, tmp___0=0, tmp=1, "libacc.c"=22, "i > 0 && i <= this->argsCount"=16, \result=0, "libacc.c"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e265e6c=0, "\n"=24, ")"=38, ") "=0, "Env(Water:%i"=39, "CRIT"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b3b9edb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d91016b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@508111b4=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3baa157f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bb828f=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "i > 0 && i <= this->argsCount"=23, "libacc.c"=12, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2be87ee5=0, ")"=0, retValue_acc=1, tmp___2=42, tmp___0=0, splverifierCounter=0, "__utac__get_this_argtype"=0, "On"=0, "Pump(System:"=0, "On"=33, "CRIT"=36, "__utac__get_this_argtype"=14, tmp=0, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17053a6c=0, ") "=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ad437e6=0, ",Pump:"=0, "Off"=0, "__utac__get_this_argtype"=40, ",Pump:"=29, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=19, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 432]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L348] FCALL "Pump(System:" [L352] FCALL "On" [L356] FCALL "Off" [L360] FCALL ",Pump:" [L364] FCALL "On" [L368] FCALL "Off" [L372] FCALL ") " [L374] FCALL "\n" [L838] FCALL "i > 0 && i <= this->argsCount" [L838] FCALL "libacc.c" [L839] FCALL "__utac__get_this_arg" [L845] FCALL "i > 0 && i <= this->argsCount" [L845] FCALL "libacc.c" [L846] FCALL "__utac__get_this_arg" [L884] FCALL "i > 0 && i <= this->argsCount" [L884] FCALL "libacc.c" [L885] FCALL "__utac__get_this_argtype" [L891] FCALL "i > 0 && i <= this->argsCount" [L891] FCALL "libacc.c" [L892] FCALL "__utac__get_this_argtype" [L959] FCALL "Env(Water:%i" [L960] FCALL ",Meth:" [L964] FCALL "CRIT" [L968] FCALL "OK" [L972] FCALL ")" [L78] int cleanupTimeShifts = 4; [L199] int pumpRunning = 0; [L200] int systemActive = 1; [L492] int switchedOnBeforeTS ; [L907] int waterLevel = 1; [L908] int methaneLevelCritical = 0; [L710] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L158] int retValue_acc ; [L159] int tmp ; [L163] FCALL select_helpers() [L164] FCALL select_features() [L165] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L165] EXPR valid_product() [L165] tmp = valid_product() [L167] COND TRUE \read(tmp) [L169] FCALL setup() [L170] CALL runTest() [L151] CALL __utac_acc__Specification5_spec__1() [L497] RET switchedOnBeforeTS = 0 [L151] __utac_acc__Specification5_spec__1() [L152] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 Loop: [L432] COND TRUE 1 [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp)) [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___0)) [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L417] RET systemActive = 1 [L464] startSystem() [L479] CALL timeShift() [L209] CALL __utac_acc__Specification5_spec__2() [L506] CALL, EXPR isPumpRunning() [L335] int retValue_acc ; [L338] retValue_acc = pumpRunning [L339] RET return (retValue_acc); [L506] EXPR isPumpRunning() [L506] RET switchedOnBeforeTS = isPumpRunning() [L209] __utac_acc__Specification5_spec__2() [L211] COND FALSE !(\read(pumpRunning)) [L218] COND TRUE \read(systemActive) [L220] CALL processEnvironment() [L266] int tmp ; [L269] COND FALSE !(\read(pumpRunning)) [L284] CALL processEnvironment__wrappee__methaneQuery() [L240] int tmp ; [L243] COND FALSE !(\read(pumpRunning)) [L258] RET, FCALL processEnvironment__wrappee__base() [L284] RET processEnvironment__wrappee__methaneQuery() [L220] processEnvironment() [L226] CALL __utac_acc__Specification5_spec__3() [L512] int tmp ; [L513] int tmp___0 ; [L517] CALL, EXPR getWaterLevel() [L978] int retValue_acc ; [L981] retValue_acc = waterLevel [L982] RET return (retValue_acc); [L517] EXPR getWaterLevel() [L517] tmp = getWaterLevel() [L519] COND TRUE tmp != 2 [L521] CALL, EXPR isPumpRunning() [L335] int retValue_acc ; [L338] retValue_acc = pumpRunning [L339] RET return (retValue_acc); [L521] EXPR isPumpRunning() [L521] tmp___0 = isPumpRunning() [L523] COND FALSE, RET !(\read(tmp___0)) [L226] RET __utac_acc__Specification5_spec__3() [L479] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...