./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_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_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/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 69211a6a9810795915a638c419bc12fc6aa00ac5 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:47:39,758 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:47:39,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:47:39,768 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:47:39,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:47:39,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:47:39,770 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:47:39,771 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:47:39,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:47:39,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:47:39,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:47:39,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:47:39,774 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:47:39,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:47:39,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:47:39,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:47:39,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:47:39,778 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:47:39,779 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:47:39,780 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:47:39,781 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:47:39,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:47:39,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:47:39,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:47:39,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:47:39,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:47:39,785 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:47:39,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:47:39,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:47:39,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:47:39,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:47:39,790 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:47:39,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:47:39,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:47:39,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:47:39,791 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:47:39,791 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:47:39,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:47:39,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:47:39,802 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:47:39,802 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:47:39,802 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:47:39,802 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:47:39,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:47:39,803 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:47:39,804 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:47:39,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:47:39,805 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:47:39,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:47:39,806 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:47:39,806 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:47:39,806 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:47:39,807 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_96582510-d82d-4123-884b-7560a62e3714/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2018-11-18 08:47:39,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:47:39,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:47:39,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:47:39,845 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:47:39,845 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:47:39,846 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 08:47:39,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/data/1db2db3b9/117d3124756b4dcfbce312b5b530feae/FLAGbc8ce188f [2018-11-18 08:47:40,275 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:47:40,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 08:47:40,286 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/data/1db2db3b9/117d3124756b4dcfbce312b5b530feae/FLAGbc8ce188f [2018-11-18 08:47:40,660 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/data/1db2db3b9/117d3124756b4dcfbce312b5b530feae [2018-11-18 08:47:40,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:47:40,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:47:40,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:47:40,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:47:40,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:47:40,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:47:40" (1/1) ... [2018-11-18 08:47:40,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f938bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:40, skipping insertion in model container [2018-11-18 08:47:40,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:47:40" (1/1) ... [2018-11-18 08:47:40,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:47:40,721 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:47:40,919 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:47:40,928 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:47:40,985 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:47:41,068 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:47:41,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41 WrapperNode [2018-11-18 08:47:41,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:47:41,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:47:41,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:47:41,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:47:41,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:47:41,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:47:41,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:47:41,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:47:41,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... [2018-11-18 08:47:41,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:47:41,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:47:41,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:47:41,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:47:41,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/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 08:47:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:47:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:47:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:47:41,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:47:41,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:47:41 BoogieIcfgContainer [2018-11-18 08:47:41,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:47:41,675 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:47:41,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:47:41,678 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:47:41,679 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:47:41,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:47:40" (1/3) ... [2018-11-18 08:47:41,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d4f0e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:47:41, skipping insertion in model container [2018-11-18 08:47:41,680 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:47:41,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:41" (2/3) ... [2018-11-18 08:47:41,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d4f0e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:47:41, skipping insertion in model container [2018-11-18 08:47:41,681 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:47:41,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:47:41" (3/3) ... [2018-11-18 08:47:41,682 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 08:47:41,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:47:41,714 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:47:41,714 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:47:41,714 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:47:41,714 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:47:41,714 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:47:41,715 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:47:41,715 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:47:41,715 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:47:41,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2018-11-18 08:47:41,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-18 08:47:41,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:47:41,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:47:41,750 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:41,750 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 08:47:41,750 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:47:41,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2018-11-18 08:47:41,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-18 08:47:41,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:47:41,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:47:41,754 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:41,754 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 08:47:41,758 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~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~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 13#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 44#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; 7#L73true main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 6#L800true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 14#L775true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 37#L821true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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; 105#L657-3true [2018-11-18 08:47:41,759 INFO L796 eck$LassoCheckResult]: Loop: 105#L657-3true assume true; 120#L657-1true assume !false; 60#L658true assume test_~splverifierCounter~0 < 4; 25#L659true test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 32#L667true assume !(0 != test_~tmp~5); 28#L667-2true test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 81#L677true assume !(0 != test_~tmp___0~1); 67#L677-2true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 21#L687true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5#L274true assume { :end_inline_startSystem } true; 24#L695-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret60;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 102#L195true __utac_acc__Specification5_spec__2_#t~ret60 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret60;havoc __utac_acc__Specification5_spec__2_#t~ret60; 93#L831true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 82#L110true assume !(0 != ~pumpRunning~0); 79#L110-2true assume !(0 != ~systemActive~0); 8#L117-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret61, __utac_acc__Specification5_spec__3_#t~ret62, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;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; 52#L939true __utac_acc__Specification5_spec__3_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret61;havoc __utac_acc__Specification5_spec__3_#t~ret61; 92#L842true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 71#L842-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 58#L127true assume { :end_inline_timeShift } true; 105#L657-3true [2018-11-18 08:47:41,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:41,764 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:47:41,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:41,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:41,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:41,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:41,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:41,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1885019589, now seen corresponding path program 1 times [2018-11-18 08:47:41,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:41,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:41,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:41,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:41,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:47:41,987 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 08:47:41,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:47:41,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:47:41,991 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:47:41,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:47:42,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:47:42,001 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 3 states. [2018-11-18 08:47:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:47:42,068 INFO L93 Difference]: Finished difference Result 228 states and 296 transitions. [2018-11-18 08:47:42,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:47:42,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 296 transitions. [2018-11-18 08:47:42,073 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 08:47:42,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 208 states and 275 transitions. [2018-11-18 08:47:42,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 208 [2018-11-18 08:47:42,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 208 [2018-11-18 08:47:42,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 275 transitions. [2018-11-18 08:47:42,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:47:42,081 INFO L705 BuchiCegarLoop]: Abstraction has 208 states and 275 transitions. [2018-11-18 08:47:42,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 275 transitions. [2018-11-18 08:47:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-11-18 08:47:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-18 08:47:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2018-11-18 08:47:42,109 INFO L728 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-18 08:47:42,109 INFO L608 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-18 08:47:42,109 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:47:42,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 271 transitions. [2018-11-18 08:47:42,112 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2018-11-18 08:47:42,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:47:42,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:47:42,112 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:42,113 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] [2018-11-18 08:47:42,113 INFO L794 eck$LassoCheckResult]: Stem: 454#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 371#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 378#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; 367#L73 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 365#L800 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 366#L775 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 379#L821 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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; 412#L657-3 [2018-11-18 08:47:42,113 INFO L796 eck$LassoCheckResult]: Loop: 412#L657-3 assume true; 474#L657-1 assume !false; 441#L658 assume test_~splverifierCounter~0 < 4; 395#L659 test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 396#L667 assume !(0 != test_~tmp~5); 399#L667-2 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 400#L677 assume !(0 != test_~tmp___0~1); 448#L677-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 390#L687 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet58;havoc test_#t~nondet58; 391#L695 assume !(0 != test_~tmp___1~0); 362#L695-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret60;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 394#L195 __utac_acc__Specification5_spec__2_#t~ret60 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret60;havoc __utac_acc__Specification5_spec__2_#t~ret60; 468#L831 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 459#L110 assume !(0 != ~pumpRunning~0); 422#L110-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 386#L142 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 388#L134-1 assume { :end_inline_processEnvironment__wrappee__base } true; 383#L142-1 assume { :end_inline_processEnvironment } true; 368#L117-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret61, __utac_acc__Specification5_spec__3_#t~ret62, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;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; 369#L939 __utac_acc__Specification5_spec__3_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret61;havoc __utac_acc__Specification5_spec__3_#t~ret61; 432#L842 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 402#L842-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 439#L127 assume { :end_inline_timeShift } true; 412#L657-3 [2018-11-18 08:47:42,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,113 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:47:42,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:42,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1787023458, now seen corresponding path program 1 times [2018-11-18 08:47:42,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,185 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:47:42,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:47:42,210 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 08:47:42,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:47:42,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:47:42,211 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:47:42,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:47:42,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:47:42,212 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. cyclomatic complexity: 69 Second operand 3 states. [2018-11-18 08:47:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:47:42,291 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2018-11-18 08:47:42,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:47:42,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 333 states and 428 transitions. [2018-11-18 08:47:42,296 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 243 [2018-11-18 08:47:42,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 333 states to 333 states and 428 transitions. [2018-11-18 08:47:42,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 333 [2018-11-18 08:47:42,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 333 [2018-11-18 08:47:42,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 333 states and 428 transitions. [2018-11-18 08:47:42,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:47:42,301 INFO L705 BuchiCegarLoop]: Abstraction has 333 states and 428 transitions. [2018-11-18 08:47:42,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states and 428 transitions. [2018-11-18 08:47:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-11-18 08:47:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-11-18 08:47:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 428 transitions. [2018-11-18 08:47:42,316 INFO L728 BuchiCegarLoop]: Abstraction has 333 states and 428 transitions. [2018-11-18 08:47:42,316 INFO L608 BuchiCegarLoop]: Abstraction has 333 states and 428 transitions. [2018-11-18 08:47:42,316 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:47:42,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 333 states and 428 transitions. [2018-11-18 08:47:42,319 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 243 [2018-11-18 08:47:42,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:47:42,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:47:42,320 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:42,321 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:42,321 INFO L794 eck$LassoCheckResult]: Stem: 1010#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 915#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 922#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; 911#L73 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 909#L800 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 910#L775 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 923#L821 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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; 960#L657-3 [2018-11-18 08:47:42,322 INFO L796 eck$LassoCheckResult]: Loop: 960#L657-3 assume true; 1067#L657-1 assume !false; 1063#L658 assume test_~splverifierCounter~0 < 4; 941#L659 test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 942#L667 assume !(0 != test_~tmp~5); 946#L667-2 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 947#L677 assume !(0 != test_~tmp___0~1); 1003#L677-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 933#L687 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet58;havoc test_#t~nondet58; 934#L695 assume !(0 != test_~tmp___1~0); 906#L695-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret60;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 1039#L195 __utac_acc__Specification5_spec__2_#t~ret60 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret60;havoc __utac_acc__Specification5_spec__2_#t~ret60; 1040#L831 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1111#L110 assume !(0 != ~pumpRunning~0); 1110#L110-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1109#L142 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~1, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~1;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1107#L947 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1024#L952 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 1025#L244 assume 0 != isHighWaterLevel_~tmp~1;isHighWaterLevel_~tmp___0~0 := 0; 1050#L244-2 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1020#L250 processEnvironment_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0 := processEnvironment_#t~ret1;havoc processEnvironment_#t~ret1; 1021#L146 assume !(0 != processEnvironment_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1106#L134 assume { :end_inline_processEnvironment__wrappee__base } true; 1138#L142-1 assume { :end_inline_processEnvironment } true; 1137#L117-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret61, __utac_acc__Specification5_spec__3_#t~ret62, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;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; 983#L939 __utac_acc__Specification5_spec__3_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret61;havoc __utac_acc__Specification5_spec__3_#t~ret61; 984#L842 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 1007#L842-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 992#L127 assume { :end_inline_timeShift } true; 960#L657-3 [2018-11-18 08:47:42,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,322 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 08:47:42,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:42,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,382 INFO L82 PathProgramCache]: Analyzing trace with hash -487411162, now seen corresponding path program 1 times [2018-11-18 08:47:42,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,383 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:47:42,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:47:42,431 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 08:47:42,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:47:42,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:47:42,431 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:47:42,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:47:42,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:47:42,432 INFO L87 Difference]: Start difference. First operand 333 states and 428 transitions. cyclomatic complexity: 98 Second operand 5 states. [2018-11-18 08:47:42,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:47:42,561 INFO L93 Difference]: Finished difference Result 1308 states and 1668 transitions. [2018-11-18 08:47:42,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:47:42,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1308 states and 1668 transitions. [2018-11-18 08:47:42,568 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 942 [2018-11-18 08:47:42,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1308 states to 1308 states and 1668 transitions. [2018-11-18 08:47:42,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1308 [2018-11-18 08:47:42,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1308 [2018-11-18 08:47:42,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1308 states and 1668 transitions. [2018-11-18 08:47:42,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:47:42,578 INFO L705 BuchiCegarLoop]: Abstraction has 1308 states and 1668 transitions. [2018-11-18 08:47:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states and 1668 transitions. [2018-11-18 08:47:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 652. [2018-11-18 08:47:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-11-18 08:47:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 824 transitions. [2018-11-18 08:47:42,596 INFO L728 BuchiCegarLoop]: Abstraction has 652 states and 824 transitions. [2018-11-18 08:47:42,596 INFO L608 BuchiCegarLoop]: Abstraction has 652 states and 824 transitions. [2018-11-18 08:47:42,596 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 08:47:42,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 652 states and 824 transitions. [2018-11-18 08:47:42,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 482 [2018-11-18 08:47:42,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:47:42,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:47:42,600 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:42,600 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:47:42,600 INFO L794 eck$LassoCheckResult]: Stem: 2673#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2574#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 2575#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2582#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; 2571#L73 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 2569#L800 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 2570#L775 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2585#L821 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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; 2615#L657-3 [2018-11-18 08:47:42,601 INFO L796 eck$LassoCheckResult]: Loop: 2615#L657-3 assume true; 3118#L657-1 assume !false; 3117#L658 assume test_~splverifierCounter~0 < 4; 3116#L659 test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 3113#L667 assume !(0 != test_~tmp~5); 3111#L667-2 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 3109#L677 assume !(0 != test_~tmp___0~1); 3107#L677-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 3106#L687 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet58;havoc test_#t~nondet58; 3104#L695 assume !(0 != test_~tmp___1~0); 3105#L695-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret60;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 3144#L195 __utac_acc__Specification5_spec__2_#t~ret60 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret60;havoc __utac_acc__Specification5_spec__2_#t~ret60; 3143#L831 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3139#L110 assume !(0 != ~pumpRunning~0); 3138#L110-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 3137#L142 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~1, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~1;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 3023#L947 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 2654#L952 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 3132#L244 assume 0 != isHighWaterLevel_~tmp~1;isHighWaterLevel_~tmp___0~0 := 0; 3130#L244-2 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 3129#L250 processEnvironment_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0 := processEnvironment_#t~ret1;havoc processEnvironment_#t~ret1; 3127#L146 assume !(0 != processEnvironment_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 3125#L134 assume { :end_inline_processEnvironment__wrappee__base } true; 3123#L142-1 assume { :end_inline_processEnvironment } true; 3122#L117-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret61, __utac_acc__Specification5_spec__3_#t~ret62, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;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; 2642#L939 __utac_acc__Specification5_spec__3_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret61;havoc __utac_acc__Specification5_spec__3_#t~ret61; 2643#L842 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 2699#L195-1 __utac_acc__Specification5_spec__3_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret62;havoc __utac_acc__Specification5_spec__3_#t~ret62; 2700#L846 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 3120#L842-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3119#L127 assume { :end_inline_timeShift } true; 2615#L657-3 [2018-11-18 08:47:42,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 08:47:42,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:42,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash -269789471, now seen corresponding path program 1 times [2018-11-18 08:47:42,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,651 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:47:42,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:47:42,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1081829672, now seen corresponding path program 1 times [2018-11-18 08:47:42,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:47:42,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:47:42,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:47:42,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:47:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:47:42,928 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2018-11-18 08:48:24,757 WARN L180 SmtUtils]: Spent 41.76 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:48:51,712 WARN L180 SmtUtils]: Spent 26.95 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:48:51,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:48:51 BoogieIcfgContainer [2018-11-18 08:48:51,782 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:48:51,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:48:51,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:48:51,783 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:48:51,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:47:41" (3/4) ... [2018-11-18 08:48:51,785 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:48:51,826 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96582510-d82d-4123-884b-7560a62e3714/bin-2019/uautomizer/witness.graphml [2018-11-18 08:48:51,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:48:51,827 INFO L168 Benchmark]: Toolchain (without parser) took 71163.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 955.5 MB in the beginning and 888.9 MB in the end (delta: 66.5 MB). Peak memory consumption was 249.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,827 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:48:51,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.13 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,828 INFO L168 Benchmark]: Boogie Preprocessor took 27.05 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 08:48:51,828 INFO L168 Benchmark]: RCFGBuilder took 529.25 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,828 INFO L168 Benchmark]: BuchiAutomizer took 70106.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 895.0 MB in the end (delta: 177.5 MB). Peak memory consumption was 219.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,829 INFO L168 Benchmark]: Witness Printer took 44.05 ms. Allocated memory is still 1.2 GB. Free memory was 895.0 MB in the beginning and 888.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:48:51,832 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.13 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 529.25 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 70106.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 895.0 MB in the end (delta: 177.5 MB). Peak memory consumption was 219.1 MB. Max. memory is 11.5 GB. * Witness Printer took 44.05 ms. Allocated memory is still 1.2 GB. Free memory was 895.0 MB in the beginning and 888.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 652 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 70.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 69.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 659 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 652 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 526 SDtfs, 896 SDslu, 866 SDs, 0 SdLazy, 135 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 657]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=0, "i > 0 && i <= this->argsCount"=0, ",Pump:"=22, retValue_acc=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=16, retValue_acc=0, "libacc.c"=0, "__utac__get_this_arg"=0, ")"=38, "Env(Water:%i"=26, methaneLevelCritical=0, "Off"=23, tmp=1, tmp___0=0, retValue_acc=0, tmp=0, "i > 0 && i <= this->argsCount"=14, "CRIT"=0, ",Meth:"=0, "CRIT"=8, tmp___1=0, "Pump(System:"=0, "Off"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40d016f8=0, "libacc.c"=15, cleanupTimeShifts=4, switchedOnBeforeTS=0, "libacc.c"=36, "i > 0 && i <= this->argsCount"=29, "Off"=19, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "i > 0 && i <= this->argsCount"=0, "Off"=0, "On"=0, "__utac__get_this_argtype"=0, "On"=20, \result=0, ",Pump:"=0, "i > 0 && i <= this->argsCount"=34, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=24, \result=1, "\n"=17, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18d2ddca=0, "__utac__get_this_argtype"=31, \result=0, "__utac__get_this_argtype"=28, ",Meth:"=39, "OK"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fd3cc9a=0, "libacc.c"=0, "\n"=0, tmp=1, \result=1, "libacc.c"=33, ")"=0, tmp=1, retValue_acc=1, tmp___2=0, retValue_acc=1, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dc89f38=0, "On"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59f111e2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cb8f5c2=0, "OK"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b30f6bc=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53fe7077=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5adaecc6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57e9bcb3=0, head=0, "libacc.c"=0, ") "=18, "__utac__get_this_arg"=35, "__utac__get_this_arg"=12, "libacc.c"=0, "libacc.c"=27, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 657]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L204] FCALL "Pump(System:" [L208] FCALL "On" [L212] FCALL "Off" [L216] FCALL ",Pump:" [L220] FCALL "On" [L224] FCALL "Off" [L228] FCALL ") " [L230] FCALL "\n" [L575] FCALL "i > 0 && i <= this->argsCount" [L575] FCALL "libacc.c" [L576] FCALL "__utac__get_this_arg" [L582] FCALL "i > 0 && i <= this->argsCount" [L582] FCALL "libacc.c" [L583] FCALL "__utac__get_this_arg" [L621] FCALL "i > 0 && i <= this->argsCount" [L621] FCALL "libacc.c" [L622] FCALL "__utac__get_this_argtype" [L628] FCALL "i > 0 && i <= this->argsCount" [L628] FCALL "libacc.c" [L629] FCALL "__utac__get_this_argtype" [L916] FCALL "Env(Water:%i" [L917] FCALL ",Meth:" [L921] FCALL "CRIT" [L925] FCALL "OK" [L929] FCALL ")" [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L716] int cleanupTimeShifts = 4; [L815] int switchedOnBeforeTS ; [L864] int waterLevel = 1; [L865] int methaneLevelCritical = 0; [L447] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L791] int retValue_acc ; [L792] int tmp ; [L796] FCALL select_helpers() [L797] FCALL select_features() [L798] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L798] EXPR valid_product() [L798] tmp = valid_product() [L800] COND TRUE \read(tmp) [L802] FCALL setup() [L803] CALL runTest() [L784] CALL __utac_acc__Specification5_spec__1() [L820] RET switchedOnBeforeTS = 0 [L784] __utac_acc__Specification5_spec__1() [L785] CALL test() [L648] int splverifierCounter ; [L649] int tmp ; [L650] int tmp___0 ; [L651] int tmp___1 ; [L652] int tmp___2 ; [L655] splverifierCounter = 0 Loop: [L657] COND TRUE 1 [L659] COND TRUE splverifierCounter < 4 [L665] tmp = __VERIFIER_nondet_int() [L667] COND FALSE !(\read(tmp)) [L675] tmp___0 = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp___0)) [L685] tmp___2 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___2)) [L693] tmp___1 = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp___1)) [L704] CALL timeShift() [L108] CALL __utac_acc__Specification5_spec__2() [L829] CALL, EXPR isPumpRunning() [L191] int retValue_acc ; [L194] retValue_acc = pumpRunning [L195] RET return (retValue_acc); [L829] EXPR isPumpRunning() [L829] RET switchedOnBeforeTS = isPumpRunning() [L108] __utac_acc__Specification5_spec__2() [L110] COND FALSE !(\read(pumpRunning)) [L117] COND TRUE \read(systemActive) [L119] CALL processEnvironment() [L139] int tmp ; [L142] COND TRUE ! pumpRunning [L144] CALL, EXPR isHighWaterLevel() [L236] int retValue_acc ; [L237] int tmp ; [L238] int tmp___0 ; [L242] CALL, EXPR isHighWaterSensorDry() [L944] int retValue_acc ; [L947] COND TRUE waterLevel < 2 [L948] retValue_acc = 1 [L949] RET return (retValue_acc); [L242] EXPR isHighWaterSensorDry() [L242] tmp = isHighWaterSensorDry() [L244] COND TRUE \read(tmp) [L245] tmp___0 = 0 [L249] retValue_acc = tmp___0 [L250] RET return (retValue_acc); [L144] EXPR isHighWaterLevel() [L144] tmp = isHighWaterLevel() [L146] COND FALSE !(\read(tmp)) [L152] RET, FCALL processEnvironment__wrappee__base() [L119] processEnvironment() [L125] CALL __utac_acc__Specification5_spec__3() [L835] int tmp ; [L836] int tmp___0 ; [L840] CALL, EXPR getWaterLevel() [L935] int retValue_acc ; [L938] retValue_acc = waterLevel [L939] RET return (retValue_acc); [L840] EXPR getWaterLevel() [L840] tmp = getWaterLevel() [L842] COND TRUE tmp != 2 [L844] CALL, EXPR isPumpRunning() [L191] int retValue_acc ; [L194] retValue_acc = pumpRunning [L195] RET return (retValue_acc); [L844] EXPR isPumpRunning() [L844] tmp___0 = isPumpRunning() [L846] COND FALSE, RET !(\read(tmp___0)) [L125] RET __utac_acc__Specification5_spec__3() [L704] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...