./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/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 35ec611011aa6867bf0bb36080e273ba993b072e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-10-27 06:12:33,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:33,862 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:33,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:33,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:33,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:33,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:33,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:33,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:33,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:33,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:33,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:33,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:33,878 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:33,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:33,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:33,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:33,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:33,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:33,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:33,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:33,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:33,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:33,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:33,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:33,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:33,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:33,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:33,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:33,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:33,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:33,894 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:33,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:33,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:33,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:33,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:33,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:12:33,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:33,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:33,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:12:33,910 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:12:33,910 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:12:33,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:12:33,911 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:12:33,912 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:12:33,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:33,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:33,915 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:12:33,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:33,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:12:33,915 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:12:33,916 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:12:33,916 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_e2fb81a9-3809-41ec-bfac-4f9f1218262c/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2018-10-27 06:12:33,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:33,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:33,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:33,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:33,969 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:33,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-10-27 06:12:34,017 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/data/627f692ee/0b4b2b3912164847bf08d1130ed3b4e6/FLAG4753d8665 [2018-10-27 06:12:34,461 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:34,462 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-10-27 06:12:34,470 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/data/627f692ee/0b4b2b3912164847bf08d1130ed3b4e6/FLAG4753d8665 [2018-10-27 06:12:34,483 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/data/627f692ee/0b4b2b3912164847bf08d1130ed3b4e6 [2018-10-27 06:12:34,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:34,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:12:34,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:34,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:34,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:34,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:34,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14881c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34, skipping insertion in model container [2018-10-27 06:12:34,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:34,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:34,535 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:34,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:34,752 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:34,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:34,856 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:34,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34 WrapperNode [2018-10-27 06:12:34,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:34,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:34,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:34,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:34,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:34,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:35,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:35,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:35,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:35,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... [2018-10-27 06:12:35,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:35,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:35,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:35,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:35,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/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 [2018-10-27 06:12:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:36,159 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:36,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:36 BoogieIcfgContainer [2018-10-27 06:12:36,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:36,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:12:36,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:12:36,163 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:12:36,164 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:36,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:34" (1/3) ... [2018-10-27 06:12:36,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b160f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:36, skipping insertion in model container [2018-10-27 06:12:36,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:36,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:34" (2/3) ... [2018-10-27 06:12:36,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b160f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:36, skipping insertion in model container [2018-10-27 06:12:36,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:36,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:36" (3/3) ... [2018-10-27 06:12:36,167 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-10-27 06:12:36,220 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:12:36,221 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:12:36,221 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:12:36,222 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:12:36,222 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:36,222 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:36,222 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:12:36,222 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:36,222 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:12:36,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-10-27 06:12:36,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-10-27 06:12:36,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:36,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:36,287 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:36,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:36,288 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:12:36,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-10-27 06:12:36,292 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-10-27 06:12:36,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:36,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:36,293 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:36,293 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:36,300 INFO L793 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string1.base, #t~string1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string3.base, #t~string3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 0 := 44];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 1 := 77];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 2 := 101];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 3 := 116];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 4 := 104];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 5 := 58];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string5.base, #t~string5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 0 := 67];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 1 := 82];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 2 := 73];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 3 := 84];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string7.base, #t~string7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 0 := 79];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 1 := 75];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string9.base, #t~string9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 0 := 41];#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 44];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 80];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 117];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 3 := 109];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 4 := 112];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 5 := 58];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 79];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 110];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string26.base, #t~string26.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 0 := 79];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 1 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 2 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 0 := 41];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 1 := 32];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 10];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string56.base, #t~string56.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string58.base, #t~string58.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 92#L151true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 30#L144true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 101#L159true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 105#L258true assume main_~tmp~0 != 0;assume { :begin_inline_setup } true; 70#L234true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 90#L470-3true [2018-10-27 06:12:36,301 INFO L795 eck$LassoCheckResult]: Loop: 90#L470-3true assume true; 100#L470-1true assume !false; 51#L471true assume test_~splverifierCounter~0 < 4; 18#L472true test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 31#L480true assume !(test_~tmp~4 != 0); 27#L480-2true test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 68#L490true assume !(test_~tmp___0~1 != 0); 55#L490-2true test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 102#L500true assume test_~tmp___2~0 != 0; 83#L506-2true assume { :begin_inline_timeShift } true; 84#L283true assume !(~pumpRunning~0 != 0); 95#L283-2true assume !(~systemActive~0 != 0); 38#L290-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 40#L89-1true __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 54#L435true assume __utac_acc__Specification3_spec__1_~tmp~3 != 0; 43#L441-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 76#L300true assume { :end_inline_timeShift } true; 90#L470-3true [2018-10-27 06:12:36,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:36,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-10-27 06:12:36,323 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:36,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:36,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:36,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:36,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:36,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1626146885, now seen corresponding path program 1 times [2018-10-27 06:12:36,530 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:36,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:36,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:36,545 INFO L82 PathProgramCache]: Analyzing trace with hash 694465281, now seen corresponding path program 1 times [2018-10-27 06:12:36,545 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:36,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:36,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:36,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:36,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:12:36,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:12:36,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 06:12:37,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:12:37,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:12:37,083 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-10-27 06:12:37,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:37,224 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2018-10-27 06:12:37,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 06:12:37,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2018-10-27 06:12:37,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-10-27 06:12:37,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2018-10-27 06:12:37,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2018-10-27 06:12:37,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2018-10-27 06:12:37,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2018-10-27 06:12:37,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:12:37,239 INFO L705 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-10-27 06:12:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2018-10-27 06:12:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-27 06:12:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-27 06:12:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2018-10-27 06:12:37,270 INFO L728 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-10-27 06:12:37,270 INFO L608 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-10-27 06:12:37,270 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:12:37,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2018-10-27 06:12:37,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-10-27 06:12:37,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:37,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:37,273 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:37,273 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:37,273 INFO L793 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string1.base, #t~string1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string3.base, #t~string3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 0 := 44];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 1 := 77];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 2 := 101];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 3 := 116];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 4 := 104];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 5 := 58];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string5.base, #t~string5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 0 := 67];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 1 := 82];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 2 := 73];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 3 := 84];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string7.base, #t~string7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 0 := 79];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 1 := 75];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string9.base, #t~string9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 0 := 41];#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 44];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 80];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 117];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 3 := 109];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 4 := 112];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 5 := 58];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 79];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 110];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string26.base, #t~string26.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 0 := 79];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 1 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 2 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 0 := 41];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 1 := 32];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 10];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string56.base, #t~string56.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string58.base, #t~string58.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 237#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 294#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 295#L159 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 312#L258 assume main_~tmp~0 != 0;assume { :begin_inline_setup } true; 278#L234 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 279#L470-3 [2018-10-27 06:12:37,273 INFO L795 eck$LassoCheckResult]: Loop: 279#L470-3 assume true; 308#L470-1 assume !false; 229#L471 assume test_~splverifierCounter~0 < 4; 230#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 265#L480 assume !(test_~tmp~4 != 0); 282#L480-2 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 276#L490 assume !(test_~tmp___0~1 != 0); 239#L490-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 245#L500 assume test_~tmp___2~0 != 0; 296#L506-2 assume { :begin_inline_timeShift } true; 297#L283 assume !(~pumpRunning~0 != 0); 272#L283-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 288#L315 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 246#L307-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 241#L315-1 assume { :end_inline_processEnvironment } true; 292#L290-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 309#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 242#L435 assume __utac_acc__Specification3_spec__1_~tmp~3 != 0; 243#L441-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 285#L300 assume { :end_inline_timeShift } true; 279#L470-3 [2018-10-27 06:12:37,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:37,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-10-27 06:12:37,274 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:37,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:37,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:37,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:37,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:37,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1128279929, now seen corresponding path program 1 times [2018-10-27 06:12:37,353 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:37,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:37,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,354 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:12:37,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:37,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:37,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1518689355, now seen corresponding path program 1 times [2018-10-27 06:12:37,364 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:37,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:37,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:37,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:12:37,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:12:37,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 06:12:38,046 WARN L179 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-27 06:12:38,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 06:12:38,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 06:12:38,063 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-10-27 06:12:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:38,761 INFO L93 Difference]: Finished difference Result 312 states and 401 transitions. [2018-10-27 06:12:38,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 06:12:38,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 401 transitions. [2018-10-27 06:12:38,767 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2018-10-27 06:12:38,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 401 transitions. [2018-10-27 06:12:38,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 312 [2018-10-27 06:12:38,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 312 [2018-10-27 06:12:38,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 401 transitions. [2018-10-27 06:12:38,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:12:38,772 INFO L705 BuchiCegarLoop]: Abstraction has 312 states and 401 transitions. [2018-10-27 06:12:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 401 transitions. [2018-10-27 06:12:38,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 175. [2018-10-27 06:12:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-27 06:12:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 221 transitions. [2018-10-27 06:12:38,788 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 221 transitions. [2018-10-27 06:12:38,788 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 221 transitions. [2018-10-27 06:12:38,788 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:12:38,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 221 transitions. [2018-10-27 06:12:38,790 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2018-10-27 06:12:38,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:38,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:38,790 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:38,790 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] [2018-10-27 06:12:38,791 INFO L793 eck$LassoCheckResult]: Stem: 705#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string1.base, #t~string1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string3.base, #t~string3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 0 := 44];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 1 := 77];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 2 := 101];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 3 := 116];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 4 := 104];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 5 := 58];#memory_int := #memory_int[#t~string3.base,#t~string3.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string5.base, #t~string5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 0 := 67];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 1 := 82];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 2 := 73];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 3 := 84];#memory_int := #memory_int[#t~string5.base,#t~string5.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string7.base, #t~string7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 0 := 79];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 1 := 75];#memory_int := #memory_int[#t~string7.base,#t~string7.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string9.base, #t~string9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 0 := 41];#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 44];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 80];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 117];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 3 := 109];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 4 := 112];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 5 := 58];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 79];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 110];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string26.base, #t~string26.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 0 := 79];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 1 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 2 := 102];#memory_int := #memory_int[#t~string26.base,#t~string26.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 0 := 41];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 1 := 32];#memory_int := #memory_int[#t~string28.base,#t~string28.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 10];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string56.base, #t~string56.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string58.base, #t~string58.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 657#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 658#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 716#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 717#L159 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 751#L258 assume main_~tmp~0 != 0;assume { :begin_inline_setup } true; 702#L234 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 703#L470-3 [2018-10-27 06:12:38,791 INFO L795 eck$LassoCheckResult]: Loop: 703#L470-3 assume true; 731#L470-1 assume !false; 652#L471 assume test_~splverifierCounter~0 < 4; 653#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 685#L480 assume !(test_~tmp~4 != 0); 704#L480-2 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 696#L490 assume !(test_~tmp___0~1 != 0); 660#L490-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 665#L500 assume test_~tmp___2~0 != 0; 738#L506-2 assume { :begin_inline_timeShift } true; 788#L283 assume !(~pumpRunning~0 != 0); 786#L283-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 711#L315 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 666#L307-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 662#L315-1 assume { :end_inline_processEnvironment } true; 714#L290-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 734#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 663#L435 assume !(__utac_acc__Specification3_spec__1_~tmp~3 != 0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 664#L121 __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; 715#L441 assume !(__utac_acc__Specification3_spec__1_~tmp___0~0 == 2); 743#L441-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 708#L300 assume { :end_inline_timeShift } true; 703#L470-3 [2018-10-27 06:12:38,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:38,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-10-27 06:12:38,791 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:38,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:38,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:38,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:38,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:38,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1944002054, now seen corresponding path program 1 times [2018-10-27 06:12:38,841 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:38,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:38,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,842 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:12:38,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:38,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:38,853 INFO L82 PathProgramCache]: Analyzing trace with hash -827159362, now seen corresponding path program 1 times [2018-10-27 06:12:38,853 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:38,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:38,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:38,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:39,126 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-27 06:13:30,226 WARN L179 SmtUtils]: Spent 51.04 s on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-10-27 06:14:02,764 WARN L179 SmtUtils]: Spent 32.54 s on a formula simplification that was a NOOP. DAG size: 403 [2018-10-27 06:14:02,840 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:14:02,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:14:02,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:14:02 BoogieIcfgContainer [2018-10-27 06:14:02,865 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:14:02,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:14:02,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:14:02,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:14:02,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:36" (3/4) ... [2018-10-27 06:14:02,871 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-10-27 06:14:02,947 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e2fb81a9-3809-41ec-bfac-4f9f1218262c/bin-2019/uautomizer/witness.graphml [2018-10-27 06:14:02,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:14:02,949 INFO L168 Benchmark]: Toolchain (without parser) took 88463.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 953.1 MB in the beginning and 922.1 MB in the end (delta: 30.9 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,950 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:14:02,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,955 INFO L168 Benchmark]: Boogie Preprocessor took 31.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,955 INFO L168 Benchmark]: RCFGBuilder took 1125.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,956 INFO L168 Benchmark]: BuchiAutomizer took 86705.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.0 GB in the beginning and 926.8 MB in the end (delta: 119.6 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,956 INFO L168 Benchmark]: Witness Printer took 83.05 ms. Allocated memory is still 1.2 GB. Free memory was 926.8 MB in the beginning and 922.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:14:02,958 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1125.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 86705.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.0 GB in the beginning and 926.8 MB in the end (delta: 119.6 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.05 ms. Allocated memory is still 1.2 GB. Free memory was 926.8 MB in the beginning and 922.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 175 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 86.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 85.5s. Construction of modules took 0.5s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 137 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 175 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 277 SDtfs, 761 SDslu, 479 SDs, 0 SdLazy, 91 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 470]: Nontermination argument in form of an infinite program execution. [2018-10-27 06:14:02,971 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:14:02,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:14:02,975 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:14:02,977 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Env(Water:%i"=22, retValue_acc=0, "OK"=18, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473c1b5d=0, "i > 0 && i <= this->argsCount"=26, methaneLevelCritical=0, NULL=25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17897328=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a4f2382=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9a99d9c=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=42, "__utac__get_this_argtype"=0, tmp___1=0, tmp___0=1, "Off"=14, ") "=28, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55e55899=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f4536e6=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b2cbdaf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18a67e5b=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=39, \result=1, "\n"=0, "__utac__get_this_arg"=37, "libacc.c"=35, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "On"=15, head=0, pumpRunning=0, tmp=1, "libacc.c"=24, \result=0, "libacc.c"=29, "__utac__get_this_argtype"=0, "Pump(System:"=0, "On"=0, retValue_acc=1, "__utac__get_this_argtype"=31, "__utac__get_this_arg"=34, NULL=0, ",Pump:"=12, "CRIT"=19, tmp___2=157, "\n"=27, tmp___0=0, "Off"=11, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bca3f9=0, \result=0, ")"=17, "__utac__get_this_argtype"=40, "i > 0 && i <= this->argsCount"=36, tmp=0, tmp___1=0, head=0, "Off"=0, ") "=0, "On"=8, "On"=0, "Off"=0, "Pump(System:"=16, ",Meth:"=20, ",Pump:"=0, NULL=40, "i > 0 && i <= this->argsCount"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 470]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] CALL "Env(Water:%i" [L98] RET "Env(Water:%i" [L99] CALL ",Meth:" [L99] RET ",Meth:" [L103] CALL "CRIT" [L103] RET "CRIT" [L107] CALL "OK" [L107] RET "OK" [L111] CALL ")" [L111] RET ")" [L394] CALL "Pump(System:" [L394] RET "Pump(System:" [L398] CALL "On" [L398] RET "On" [L402] CALL "Off" [L402] RET "Off" [L406] CALL ",Pump:" [L406] RET ",Pump:" [L410] CALL "On" [L410] RET "On" [L414] CALL "Off" [L414] RET "Off" [L418] CALL ") " [L418] RET ") " [L420] CALL "\n" [L420] RET "\n" [L822] CALL "i > 0 && i <= this->argsCount" [L822] RET "i > 0 && i <= this->argsCount" [L822] CALL "libacc.c" [L822] RET "libacc.c" [L823] CALL "__utac__get_this_arg" [L823] RET "__utac__get_this_arg" [L829] CALL "i > 0 && i <= this->argsCount" [L829] RET "i > 0 && i <= this->argsCount" [L829] CALL "libacc.c" [L829] RET "libacc.c" [L830] CALL "__utac__get_this_arg" [L830] RET "__utac__get_this_arg" [L868] CALL "i > 0 && i <= this->argsCount" [L868] RET "i > 0 && i <= this->argsCount" [L868] CALL "libacc.c" [L868] RET "libacc.c" [L869] CALL "__utac__get_this_argtype" [L869] RET "__utac__get_this_argtype" [L875] CALL "i > 0 && i <= this->argsCount" [L875] RET "i > 0 && i <= this->argsCount" [L875] CALL "libacc.c" [L875] RET "libacc.c" [L876] CALL "__utac__get_this_argtype" [L876] RET "__utac__get_this_argtype" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] RET return (retValue_acc); [L256] EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L243] CALL test() [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 Loop: [L470] COND TRUE 1 [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND FALSE !(\read(tmp)) [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) [L513] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L312] int tmp ; [L315] COND FALSE !(\read(pumpRunning)) [L330] RET, FCALL processEnvironment__wrappee__methaneQuery() [L292] processEnvironment() [L298] CALL __utac_acc__Specification3_spec__1() [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L433] CALL, EXPR isMethaneLevelCritical() [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] RET return (retValue_acc); [L433] EXPR isMethaneLevelCritical() [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L439] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L439] EXPR getWaterLevel() [L439] tmp___0 = getWaterLevel() [L441] COND FALSE, RET !(tmp___0 == 2) [L298] RET __utac_acc__Specification3_spec__1() [L513] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...