./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_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_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:44:19,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:44:19,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:44:19,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:44:19,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:44:19,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:44:19,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:44:19,832 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:44:19,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:44:19,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:44:19,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:44:19,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:44:19,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:44:19,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:44:19,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:44:19,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:44:19,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:44:19,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:44:19,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:44:19,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:44:19,842 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:44:19,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:44:19,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:44:19,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:44:19,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:44:19,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:44:19,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:44:19,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:44:19,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:44:19,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:44:19,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:44:19,849 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:44:19,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:44:19,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:44:19,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:44:19,850 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:44:19,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:44:19,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:44:19,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:44:19,862 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:44:19,862 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:44:19,863 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:44:19,863 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:44:19,863 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:44:19,863 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:44:19,863 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:44:19,863 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:44:19,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:44:19,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:44:19,865 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:44:19,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:44:19,866 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:44:19,866 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:44:19,866 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:44:19,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:44:19,866 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:44:19,866 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:44:19,867 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:44:19,867 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_7460d136-ff64-4758-9818-9370c5af296b/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-11-18 16:44:19,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:44:19,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:44:19,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:44:19,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:44:19,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:44:19,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 16:44:19,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/data/ee578f986/6cf2b8c9cc564da998e2fb5e5546b958/FLAG26c03a52b [2018-11-18 16:44:20,353 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:44:20,353 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 16:44:20,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/data/ee578f986/6cf2b8c9cc564da998e2fb5e5546b958/FLAG26c03a52b [2018-11-18 16:44:20,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/data/ee578f986/6cf2b8c9cc564da998e2fb5e5546b958 [2018-11-18 16:44:20,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:44:20,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:44:20,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:20,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:44:20,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:44:20,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20, skipping insertion in model container [2018-11-18 16:44:20,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:44:20,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:44:20,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:20,595 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:44:20,696 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:20,714 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:44:20,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20 WrapperNode [2018-11-18 16:44:20,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:20,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:20,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:44:20,714 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:44:20,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:20,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:44:20,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:44:20,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:44:20,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... [2018-11-18 16:44:20,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:44:20,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:44:20,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:44:20,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:44:20,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/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 16:44:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:44:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:44:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:44:21,419 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:44:21,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:21 BoogieIcfgContainer [2018-11-18 16:44:21,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:44:21,420 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:44:21,420 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:44:21,423 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:44:21,424 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:44:21,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:44:20" (1/3) ... [2018-11-18 16:44:21,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b719804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:44:21, skipping insertion in model container [2018-11-18 16:44:21,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:44:21,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:20" (2/3) ... [2018-11-18 16:44:21,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b719804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:44:21, skipping insertion in model container [2018-11-18 16:44:21,426 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:44:21,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:21" (3/3) ... [2018-11-18 16:44:21,427 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-18 16:44:21,474 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:44:21,475 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:44:21,475 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:44:21,475 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:44:21,475 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:44:21,475 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:44:21,475 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:44:21,475 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:44:21,475 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:44:21,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states. [2018-11-18 16:44:21,520 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-18 16:44:21,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:44:21,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:44:21,526 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:21,527 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:21,527 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:44:21,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states. [2018-11-18 16:44:21,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-18 16:44:21,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:44:21,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:44:21,534 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:21,534 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:21,539 INFO L794 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 49#L959true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 141#L952true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 52#L967true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 57#L229true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 50#L202true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 112#L878-3true [2018-11-18 16:44:21,540 INFO L796 eck$LassoCheckResult]: Loop: 112#L878-3true assume true; 109#L878-1true assume !false; 54#L879true assume test_~splverifierCounter~0 < 4; 185#L880true test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 7#L888true assume !(0 != test_~tmp~9); 12#L888-2true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 59#L898true assume !(0 != test_~tmp___0~2); 62#L898-2true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 144#L908true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 9#L855true assume { :end_inline_startSystem } true; 158#L916-2true assume { :begin_inline_timeShift } true; 38#L648true assume !(0 != ~pumpRunning~0); 39#L648-2true assume !(0 != ~systemActive~0); 106#L655-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 181#L90-3true __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 146#L619true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 150#L619-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 4#L665true assume { :end_inline_timeShift } true; 112#L878-3true [2018-11-18 16:44:21,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:21,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:44:21,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:21,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:21,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:21,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:21,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:21,736 INFO L82 PathProgramCache]: Analyzing trace with hash -517377037, now seen corresponding path program 1 times [2018-11-18 16:44:21,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:21,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:21,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:21,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:21,775 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 16:44:21,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:44:21,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:44:21,781 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:44:21,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:44:21,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:44:21,796 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2018-11-18 16:44:21,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:44:21,861 INFO L93 Difference]: Finished difference Result 359 states and 469 transitions. [2018-11-18 16:44:21,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:44:21,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 359 states and 469 transitions. [2018-11-18 16:44:21,869 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2018-11-18 16:44:21,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 359 states to 339 states and 448 transitions. [2018-11-18 16:44:21,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2018-11-18 16:44:21,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2018-11-18 16:44:21,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 448 transitions. [2018-11-18 16:44:21,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:44:21,879 INFO L705 BuchiCegarLoop]: Abstraction has 339 states and 448 transitions. [2018-11-18 16:44:21,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 448 transitions. [2018-11-18 16:44:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 336. [2018-11-18 16:44:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 16:44:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 444 transitions. [2018-11-18 16:44:21,912 INFO L728 BuchiCegarLoop]: Abstraction has 336 states and 444 transitions. [2018-11-18 16:44:21,912 INFO L608 BuchiCegarLoop]: Abstraction has 336 states and 444 transitions. [2018-11-18 16:44:21,912 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:44:21,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 336 states and 444 transitions. [2018-11-18 16:44:21,914 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2018-11-18 16:44:21,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:44:21,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:44:21,915 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:21,915 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 16:44:21,915 INFO L794 eck$LassoCheckResult]: Stem: 698#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 583#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 584#L959 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 634#L952 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 636#L967 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 637#L229 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 635#L202 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 558#L878-3 [2018-11-18 16:44:21,915 INFO L796 eck$LassoCheckResult]: Loop: 558#L878-3 assume true; 687#L878-1 assume !false; 638#L879 assume test_~splverifierCounter~0 < 4; 639#L880 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 565#L888 assume !(0 != test_~tmp~9); 567#L888-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 574#L898 assume !(0 != test_~tmp___0~2); 647#L898-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 651#L908 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 571#L855 assume { :end_inline_startSystem } true; 572#L916-2 assume { :begin_inline_timeShift } true; 833#L648 assume !(0 != ~pumpRunning~0); 831#L648-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 828#L706 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 825#L680-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 823#L672-3 assume { :end_inline_processEnvironment__wrappee__base } true; 821#L680-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 818#L706-1 assume { :end_inline_processEnvironment } true; 817#L655-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 742#L90-3 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 718#L619 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 642#L619-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 557#L665 assume { :end_inline_timeShift } true; 558#L878-3 [2018-11-18 16:44:21,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:21,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:44:21,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:21,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:21,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:21,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:21,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:21,979 INFO L82 PathProgramCache]: Analyzing trace with hash 768751150, now seen corresponding path program 1 times [2018-11-18 16:44:21,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:21,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:21,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,980 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:44:21,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:21,997 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 16:44:21,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:44:21,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:44:21,998 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:44:21,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:44:21,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:44:21,999 INFO L87 Difference]: Start difference. First operand 336 states and 444 transitions. cyclomatic complexity: 111 Second operand 3 states. [2018-11-18 16:44:22,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:44:22,094 INFO L93 Difference]: Finished difference Result 464 states and 589 transitions. [2018-11-18 16:44:22,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:44:22,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 464 states and 589 transitions. [2018-11-18 16:44:22,099 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2018-11-18 16:44:22,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 464 states to 464 states and 589 transitions. [2018-11-18 16:44:22,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 464 [2018-11-18 16:44:22,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 464 [2018-11-18 16:44:22,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 589 transitions. [2018-11-18 16:44:22,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:44:22,104 INFO L705 BuchiCegarLoop]: Abstraction has 464 states and 589 transitions. [2018-11-18 16:44:22,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 589 transitions. [2018-11-18 16:44:22,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2018-11-18 16:44:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-18 16:44:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 589 transitions. [2018-11-18 16:44:22,118 INFO L728 BuchiCegarLoop]: Abstraction has 464 states and 589 transitions. [2018-11-18 16:44:22,118 INFO L608 BuchiCegarLoop]: Abstraction has 464 states and 589 transitions. [2018-11-18 16:44:22,118 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:44:22,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 464 states and 589 transitions. [2018-11-18 16:44:22,121 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2018-11-18 16:44:22,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:44:22,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:44:22,122 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:22,122 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 16:44:22,122 INFO L794 eck$LassoCheckResult]: Stem: 1515#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1392#L959 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1441#L952 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1443#L967 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 1444#L229 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1442#L202 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1364#L878-3 [2018-11-18 16:44:22,122 INFO L796 eck$LassoCheckResult]: Loop: 1364#L878-3 assume true; 1503#L878-1 assume !false; 1448#L879 assume test_~splverifierCounter~0 < 4; 1449#L880 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 1373#L888 assume !(0 != test_~tmp~9); 1375#L888-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 1381#L898 assume !(0 != test_~tmp___0~2); 1454#L898-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 1459#L908 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1376#L855 assume { :end_inline_startSystem } true; 1377#L916-2 assume { :begin_inline_timeShift } true; 1424#L648 assume !(0 != ~pumpRunning~0); 1425#L648-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1412#L706 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 1413#L680-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1466#L130-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1467#L135-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 1478#L825-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1545#L825-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1514#L831-1 processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; 1393#L684-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1395#L672-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1463#L680-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1489#L706-1 assume { :end_inline_processEnvironment } true; 1807#L655-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1661#L90-3 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 1662#L619 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 1788#L619-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1363#L665 assume { :end_inline_timeShift } true; 1364#L878-3 [2018-11-18 16:44:22,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:44:22,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:22,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:22,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:22,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:22,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1081590332, now seen corresponding path program 1 times [2018-11-18 16:44:22,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:22,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,173 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:44:22,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:22,203 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 16:44:22,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:44:22,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:44:22,203 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:44:22,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:44:22,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:44:22,204 INFO L87 Difference]: Start difference. First operand 464 states and 589 transitions. cyclomatic complexity: 128 Second operand 4 states. [2018-11-18 16:44:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:44:22,333 INFO L93 Difference]: Finished difference Result 1330 states and 1657 transitions. [2018-11-18 16:44:22,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:44:22,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1330 states and 1657 transitions. [2018-11-18 16:44:22,341 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 961 [2018-11-18 16:44:22,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1330 states to 1330 states and 1657 transitions. [2018-11-18 16:44:22,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1330 [2018-11-18 16:44:22,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1330 [2018-11-18 16:44:22,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1330 states and 1657 transitions. [2018-11-18 16:44:22,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:44:22,350 INFO L705 BuchiCegarLoop]: Abstraction has 1330 states and 1657 transitions. [2018-11-18 16:44:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states and 1657 transitions. [2018-11-18 16:44:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 488. [2018-11-18 16:44:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-18 16:44:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 613 transitions. [2018-11-18 16:44:22,366 INFO L728 BuchiCegarLoop]: Abstraction has 488 states and 613 transitions. [2018-11-18 16:44:22,366 INFO L608 BuchiCegarLoop]: Abstraction has 488 states and 613 transitions. [2018-11-18 16:44:22,366 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 16:44:22,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 488 states and 613 transitions. [2018-11-18 16:44:22,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2018-11-18 16:44:22,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:44:22,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:44:22,369 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:44:22,369 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 16:44:22,370 INFO L794 eck$LassoCheckResult]: Stem: 3350#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 3194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 3195#L959 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3247#L952 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 3250#L967 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 3251#L229 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 3248#L202 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3249#L878-3 [2018-11-18 16:44:22,370 INFO L796 eck$LassoCheckResult]: Loop: 3249#L878-3 assume true; 3533#L878-1 assume !false; 3461#L879 assume test_~splverifierCounter~0 < 4; 3462#L880 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 3455#L888 assume !(0 != test_~tmp~9); 3454#L888-2 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 3447#L898 assume !(0 != test_~tmp___0~2); 3446#L898-2 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 3379#L908 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; 3380#L916 assume !(0 != test_~tmp___1~0); 3181#L916-2 assume { :begin_inline_timeShift } true; 3228#L648 assume !(0 != ~pumpRunning~0); 3229#L648-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 3215#L706 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 3216#L680-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 3319#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 3296#L135-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 3297#L825-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 3529#L825-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 3527#L831-1 processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; 3196#L684-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 3198#L672-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3322#L680-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3311#L706-1 assume { :end_inline_processEnvironment } true; 3538#L655-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 3414#L90-3 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 3415#L619 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 3535#L619-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 3534#L665 assume { :end_inline_timeShift } true; 3249#L878-3 [2018-11-18 16:44:22,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 16:44:22,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:22,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:22,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:22,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash 2006029112, now seen corresponding path program 1 times [2018-11-18 16:44:22,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:22,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:22,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,415 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:44:22,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1880294388, now seen corresponding path program 1 times [2018-11-18 16:44:22,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:44:22,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:44:22,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:44:22,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:44:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:22,605 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-18 16:44:45,026 WARN L180 SmtUtils]: Spent 22.38 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:44:56,426 WARN L180 SmtUtils]: Spent 11.40 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:44:56,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:44:56 BoogieIcfgContainer [2018-11-18 16:44:56,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:44:56,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:44:56,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:44:56,493 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:44:56,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:21" (3/4) ... [2018-11-18 16:44:56,498 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:44:56,549 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7460d136-ff64-4758-9818-9370c5af296b/bin-2019/uautomizer/witness.graphml [2018-11-18 16:44:56,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:44:56,550 INFO L168 Benchmark]: Toolchain (without parser) took 36178.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.5 MB). Free memory was 958.5 MB in the beginning and 1.2 GB in the end (delta: -246.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:56,550 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:56,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:56,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.47 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 16:44:56,551 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:56,553 INFO L168 Benchmark]: RCFGBuilder took 631.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:56,553 INFO L168 Benchmark]: BuchiAutomizer took 35072.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.8 MB). Peak memory consumption was 310.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:56,554 INFO L168 Benchmark]: Witness Printer took 56.23 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:56,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 631.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35072.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.8 MB). Peak memory consumption was 310.9 MB. Max. memory is 11.5 GB. * Witness Printer took 56.23 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 4 locations. The remainder module has 488 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 34.5s. 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, 845 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 488 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 912 SDtfs, 862 SDslu, 890 SDs, 0 SdLazy, 101 SolverSat, 47 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: 878]: 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, retValue_acc=0, "On"=31, "Env(Water:%i"=27, "Off"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36064836=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@750b623a=0, "i > 0 && i <= this->argsCount"=0, "OK"=23, "On"=0, "Off"=38, "i > 0 && i <= this->argsCount"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@445f87a5=0, "libacc.c"=0, "__utac__get_this_argtype"=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, ") "=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=16, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38437982=0, "\n"=0, tmp___1=0, tmp=0, "i > 0 && i <= this->argsCount"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3350695f=0, tmp___0=0, "libacc.c"=12, cleanupTimeShifts=4, "__utac__get_this_arg"=15, "__utac__get_this_arg"=18, "libacc.c"=28, "Pump(System:"=34, "i > 0 && i <= this->argsCount"=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@440db77a=0, \result=0, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, tmp=1, "Off"=33, \result=0, retValue_acc=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69d7bec5=0, "libacc.c"=0, "__utac__get_this_arg"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb62962=0, "\n"=39, "On"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7460241e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bf3156=0, "CRIT"=24, tmp=1, tmp___2=0, tmp___0=0, "libacc.c"=19, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ",Pump:"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=22, ",Pump:"=36, head=0, tmp=0, "i > 0 && i <= this->argsCount"=17, "libacc.c"=0, ",Meth:"=26, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=29, "__utac__get_this_argtype"=8, ") "=35, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 878]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L540] FCALL "i > 0 && i <= this->argsCount" [L540] FCALL "libacc.c" [L541] FCALL "__utac__get_this_arg" [L547] FCALL "i > 0 && i <= this->argsCount" [L547] FCALL "libacc.c" [L548] FCALL "__utac__get_this_arg" [L586] FCALL "i > 0 && i <= this->argsCount" [L586] FCALL "libacc.c" [L587] FCALL "__utac__get_this_argtype" [L593] FCALL "i > 0 && i <= this->argsCount" [L593] FCALL "libacc.c" [L594] FCALL "__utac__get_this_argtype" [L785] FCALL "Pump(System:" [L789] FCALL "On" [L793] FCALL "Off" [L797] FCALL ",Pump:" [L801] FCALL "On" [L805] FCALL "Off" [L809] FCALL ") " [L811] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L141] int cleanupTimeShifts = 4; [L641] int pumpRunning = 0; [L642] int systemActive = 1; [L412] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L220] int retValue_acc ; [L221] int tmp ; [L225] FCALL select_helpers() [L226] FCALL select_features() [L227] CALL, EXPR valid_product() [L963] int retValue_acc ; [L966] retValue_acc = 1 [L967] RET return (retValue_acc); [L227] EXPR valid_product() [L227] tmp = valid_product() [L229] COND TRUE \read(tmp) [L231] FCALL setup() [L232] CALL runTest() [L211] CALL test() [L869] int splverifierCounter ; [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; [L873] int tmp___2 ; [L876] splverifierCounter = 0 Loop: [L878] COND TRUE 1 [L880] COND TRUE splverifierCounter < 4 [L886] tmp = __VERIFIER_nondet_int() [L888] COND FALSE !(\read(tmp)) [L896] tmp___0 = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp___0)) [L906] tmp___2 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___2)) [L914] tmp___1 = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp___1)) [L925] CALL timeShift() [L648] COND FALSE !(\read(pumpRunning)) [L655] COND TRUE \read(systemActive) [L657] CALL processEnvironment() [L703] int tmp ; [L706] COND FALSE !(\read(pumpRunning)) [L721] CALL processEnvironment__wrappee__methaneQuery() [L677] int tmp ; [L680] COND TRUE ! pumpRunning [L682] CALL, EXPR isHighWaterLevel() [L817] int retValue_acc ; [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] RET return (retValue_acc); [L823] EXPR isHighWaterSensorDry() [L823] tmp = isHighWaterSensorDry() [L825] COND TRUE \read(tmp) [L826] tmp___0 = 0 [L830] retValue_acc = tmp___0 [L831] RET return (retValue_acc); [L682] EXPR isHighWaterLevel() [L682] tmp = isHighWaterLevel() [L684] COND FALSE !(\read(tmp)) [L690] RET, FCALL processEnvironment__wrappee__base() [L721] RET processEnvironment__wrappee__methaneQuery() [L657] processEnvironment() [L663] CALL __utac_acc__Specification1_spec__1() [L612] int tmp ; [L613] int tmp___0 ; [L617] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L617] EXPR isMethaneLevelCritical() [L617] tmp = isMethaneLevelCritical() [L619] COND FALSE, RET !(\read(tmp)) [L663] RET __utac_acc__Specification1_spec__1() [L925] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...