./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/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 d3ebf7e0857ea2577a0261191567e6475555f928 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:57:29,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:57:29,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:57:29,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:57:29,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:57:29,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:57:29,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:57:29,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:57:29,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:57:29,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:57:29,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:57:29,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:57:29,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:57:29,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:57:29,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:57:29,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:57:29,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:57:29,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:57:29,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:57:29,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:57:29,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:57:29,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:57:29,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:57:29,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:57:29,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:57:29,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:57:29,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:57:29,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:57:29,880 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:57:29,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:57:29,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:57:29,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:57:29,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:57:29,882 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:57:29,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:57:29,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:57:29,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:57:29,897 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:57:29,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:57:29,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:57:29,898 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:57:29,898 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:57:29,899 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:57:29,899 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:57:29,899 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:57:29,899 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:57:29,899 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:57:29,899 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:57:29,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:57:29,900 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:57:29,901 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:57:29,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:57:29,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:57:29,902 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:57:29,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:57:29,902 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:57:29,903 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:57:29,903 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:57:29,903 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_33c0cb6e-c29c-4605-b127-3aad2b824695/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-18 11:57:29,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:57:29,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:57:29,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:57:29,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:57:29,947 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:57:29,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 11:57:29,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/data/0e5bb81e3/8ddfbed0d3f04090bd668cf5574028d0/FLAGec25899f4 [2018-11-18 11:57:30,393 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:57:30,393 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 11:57:30,405 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/data/0e5bb81e3/8ddfbed0d3f04090bd668cf5574028d0/FLAGec25899f4 [2018-11-18 11:57:30,772 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/data/0e5bb81e3/8ddfbed0d3f04090bd668cf5574028d0 [2018-11-18 11:57:30,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:57:30,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:57:30,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:57:30,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:57:30,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:57:30,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:30" (1/1) ... [2018-11-18 11:57:30,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f87d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:30, skipping insertion in model container [2018-11-18 11:57:30,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:30" (1/1) ... [2018-11-18 11:57:30,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:57:30,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:57:31,060 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:57:31,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:57:31,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:57:31,223 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:57:31,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31 WrapperNode [2018-11-18 11:57:31,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:57:31,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:57:31,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:57:31,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:57:31,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:57:31,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:57:31,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:57:31,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:57:31,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... [2018-11-18 11:57:31,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:57:31,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:57:31,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:57:31,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:57:31,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:57:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:57:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:57:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:57:32,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:57:32,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:32 BoogieIcfgContainer [2018-11-18 11:57:32,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:57:32,088 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:57:32,088 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:57:32,091 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:57:32,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:57:32,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:57:30" (1/3) ... [2018-11-18 11:57:32,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1016f0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:57:32, skipping insertion in model container [2018-11-18 11:57:32,092 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:57:32,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:31" (2/3) ... [2018-11-18 11:57:32,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1016f0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:57:32, skipping insertion in model container [2018-11-18 11:57:32,093 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:57:32,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:32" (3/3) ... [2018-11-18 11:57:32,094 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-18 11:57:32,137 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:57:32,138 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:57:32,138 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:57:32,139 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:57:32,139 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:57:32,139 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:57:32,139 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:57:32,139 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:57:32,140 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:57:32,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2018-11-18 11:57:32,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 11:57:32,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:32,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:32,189 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:32,189 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:32,190 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:57:32,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2018-11-18 11:57:32,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 11:57:32,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:32,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:32,203 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:32,203 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:32,209 INFO L794 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 175#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 76#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 170#L82true main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 43#L582true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 48#L557true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 26#L461true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 100#L917-3true [2018-11-18 11:57:32,209 INFO L796 eck$LassoCheckResult]: Loop: 100#L917-3true assume true; 93#L917-1true assume !false; 30#L918true assume test_~splverifierCounter~0 < 4; 167#L919true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 186#L927true assume !(0 != test_~tmp~9); 178#L927-2true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 38#L937true assume !(0 != test_~tmp___0~2); 41#L937-2true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 116#L947true assume 0 != test_~tmp___2~0; 85#L953-2true assume { :begin_inline_timeShift } true; 185#L704true assume !(0 != ~pumpRunning~0); 176#L704-2true assume !(0 != ~systemActive~0); 73#L711-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 8#L643-3true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 23#L472true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 27#L472-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 154#L721true assume { :end_inline_timeShift } true; 100#L917-3true [2018-11-18 11:57:32,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:32,215 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 11:57:32,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:32,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:32,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:32,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:32,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash 325830971, now seen corresponding path program 1 times [2018-11-18 11:57:32,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:32,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:32,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:32,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:32,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash -410110606, now seen corresponding path program 1 times [2018-11-18 11:57:32,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:32,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:32,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:32,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:32,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:32,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:57:32,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:57:32,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:57:32,665 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 6 states. [2018-11-18 11:57:32,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:32,929 INFO L93 Difference]: Finished difference Result 435 states and 570 transitions. [2018-11-18 11:57:32,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:57:32,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 570 transitions. [2018-11-18 11:57:32,941 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 283 [2018-11-18 11:57:32,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 405 states and 540 transitions. [2018-11-18 11:57:32,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 405 [2018-11-18 11:57:32,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 405 [2018-11-18 11:57:32,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 405 states and 540 transitions. [2018-11-18 11:57:32,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:57:32,956 INFO L705 BuchiCegarLoop]: Abstraction has 405 states and 540 transitions. [2018-11-18 11:57:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states and 540 transitions. [2018-11-18 11:57:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 234. [2018-11-18 11:57:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 11:57:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 312 transitions. [2018-11-18 11:57:32,999 INFO L728 BuchiCegarLoop]: Abstraction has 234 states and 312 transitions. [2018-11-18 11:57:32,999 INFO L608 BuchiCegarLoop]: Abstraction has 234 states and 312 transitions. [2018-11-18 11:57:32,999 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:57:32,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 312 transitions. [2018-11-18 11:57:33,002 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-18 11:57:33,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:33,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:33,003 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,003 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] [2018-11-18 11:57:33,003 INFO L794 eck$LassoCheckResult]: Stem: 812#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 656#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 657#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 747#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 748#L82 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 708#L582 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 709#L557 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 682#L461 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 683#L917-3 [2018-11-18 11:57:33,008 INFO L796 eck$LassoCheckResult]: Loop: 683#L917-3 assume true; 774#L917-1 assume !false; 687#L918 assume test_~splverifierCounter~0 < 4; 688#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 818#L927 assume !(0 != test_~tmp~9); 666#L927-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 699#L937 assume !(0 != test_~tmp___0~2); 701#L937-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 705#L947 assume 0 != test_~tmp___2~0; 757#L953-2 assume { :begin_inline_timeShift } true; 764#L704 assume !(0 != ~pumpRunning~0); 784#L704-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 820#L762 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 702#L736-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 696#L728-3 assume { :end_inline_processEnvironment__wrappee__base } true; 693#L736-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 704#L762-1 assume { :end_inline_processEnvironment } true; 745#L711-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 652#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 653#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 677#L472-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 685#L721 assume { :end_inline_timeShift } true; 683#L917-3 [2018-11-18 11:57:33,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 11:57:33,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:33,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,064 INFO L82 PathProgramCache]: Analyzing trace with hash -458194766, now seen corresponding path program 1 times [2018-11-18 11:57:33,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,065 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:57:33,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:33,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:33,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:57:33,087 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:57:33,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:57:33,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:57:33,088 INFO L87 Difference]: Start difference. First operand 234 states and 312 transitions. cyclomatic complexity: 81 Second operand 3 states. [2018-11-18 11:57:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:33,198 INFO L93 Difference]: Finished difference Result 295 states and 377 transitions. [2018-11-18 11:57:33,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:57:33,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 377 transitions. [2018-11-18 11:57:33,202 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2018-11-18 11:57:33,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 295 states and 377 transitions. [2018-11-18 11:57:33,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 295 [2018-11-18 11:57:33,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 295 [2018-11-18 11:57:33,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 295 states and 377 transitions. [2018-11-18 11:57:33,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:57:33,207 INFO L705 BuchiCegarLoop]: Abstraction has 295 states and 377 transitions. [2018-11-18 11:57:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states and 377 transitions. [2018-11-18 11:57:33,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-11-18 11:57:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-11-18 11:57:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 377 transitions. [2018-11-18 11:57:33,219 INFO L728 BuchiCegarLoop]: Abstraction has 295 states and 377 transitions. [2018-11-18 11:57:33,219 INFO L608 BuchiCegarLoop]: Abstraction has 295 states and 377 transitions. [2018-11-18 11:57:33,219 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:57:33,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 377 transitions. [2018-11-18 11:57:33,221 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2018-11-18 11:57:33,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:33,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:33,222 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,223 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,223 INFO L794 eck$LassoCheckResult]: Stem: 1355#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1195#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1196#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1284#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1285#L82 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 1243#L582 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1244#L557 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1217#L461 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1218#L917-3 [2018-11-18 11:57:33,223 INFO L796 eck$LassoCheckResult]: Loop: 1218#L917-3 assume true; 1311#L917-1 assume !false; 1225#L918 assume test_~splverifierCounter~0 < 4; 1226#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 1363#L927 assume !(0 != test_~tmp~9); 1201#L927-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 1234#L937 assume !(0 != test_~tmp___0~2); 1236#L937-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 1240#L947 assume 0 != test_~tmp___2~0; 1292#L953-2 assume { :begin_inline_timeShift } true; 1368#L704 assume !(0 != ~pumpRunning~0); 1364#L704-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1365#L762 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 1237#L736-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1238#L683-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1332#L688-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 1327#L881-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1328#L881-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 1304#L887-1 processEnvironment__wrappee__methaneQuery_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret49;havoc processEnvironment__wrappee__methaneQuery_#t~ret49; 1305#L740-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1230#L728-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1231#L736-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1239#L762-1 assume { :end_inline_processEnvironment } true; 1280#L711-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1186#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 1187#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 1216#L472-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1222#L721 assume { :end_inline_timeShift } true; 1218#L917-3 [2018-11-18 11:57:33,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,224 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 11:57:33,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:33,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,267 INFO L82 PathProgramCache]: Analyzing trace with hash 91660744, now seen corresponding path program 1 times [2018-11-18 11:57:33,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,268 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:57:33,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:33,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:33,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:57:33,303 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:57:33,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:57:33,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:57:33,304 INFO L87 Difference]: Start difference. First operand 295 states and 377 transitions. cyclomatic complexity: 85 Second operand 4 states. [2018-11-18 11:57:33,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:33,381 INFO L93 Difference]: Finished difference Result 845 states and 1067 transitions. [2018-11-18 11:57:33,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:57:33,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 845 states and 1067 transitions. [2018-11-18 11:57:33,387 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 617 [2018-11-18 11:57:33,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 845 states to 845 states and 1067 transitions. [2018-11-18 11:57:33,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 845 [2018-11-18 11:57:33,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 845 [2018-11-18 11:57:33,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 845 states and 1067 transitions. [2018-11-18 11:57:33,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:57:33,392 INFO L705 BuchiCegarLoop]: Abstraction has 845 states and 1067 transitions. [2018-11-18 11:57:33,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states and 1067 transitions. [2018-11-18 11:57:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 307. [2018-11-18 11:57:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-11-18 11:57:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 389 transitions. [2018-11-18 11:57:33,406 INFO L728 BuchiCegarLoop]: Abstraction has 307 states and 389 transitions. [2018-11-18 11:57:33,406 INFO L608 BuchiCegarLoop]: Abstraction has 307 states and 389 transitions. [2018-11-18 11:57:33,406 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:57:33,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 389 transitions. [2018-11-18 11:57:33,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2018-11-18 11:57:33,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:33,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:33,410 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,410 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,410 INFO L794 eck$LassoCheckResult]: Stem: 2515#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 2346#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2434#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2435#L82 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 2393#L582 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 2394#L557 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 2367#L461 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2368#L917-3 [2018-11-18 11:57:33,410 INFO L796 eck$LassoCheckResult]: Loop: 2368#L917-3 assume true; 2597#L917-1 assume !false; 2595#L918 assume test_~splverifierCounter~0 < 4; 2596#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 2633#L927 assume !(0 != test_~tmp~9); 2631#L927-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 2629#L937 assume !(0 != test_~tmp___0~2); 2627#L937-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 2489#L947 assume 0 != test_~tmp___2~0; 2440#L953-2 assume { :begin_inline_timeShift } true; 2451#L704 assume !(0 != ~pumpRunning~0); 2527#L704-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 2528#L762 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 2387#L736-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 2388#L683-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 2485#L688-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 2479#L881-3 assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; 2480#L881-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 2452#L887-1 processEnvironment__wrappee__methaneQuery_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret49;havoc processEnvironment__wrappee__methaneQuery_#t~ret49; 2453#L740-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 2378#L728-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2379#L736-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2389#L762-1 assume { :end_inline_processEnvironment } true; 2522#L711-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 2604#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 2602#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 2599#L472-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2598#L721 assume { :end_inline_timeShift } true; 2368#L917-3 [2018-11-18 11:57:33,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 11:57:33,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:33,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,452 INFO L82 PathProgramCache]: Analyzing trace with hash 349826182, now seen corresponding path program 1 times [2018-11-18 11:57:33,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,454 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:57:33,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:33,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:33,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:57:33,507 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:57:33,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:57:33,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:57:33,508 INFO L87 Difference]: Start difference. First operand 307 states and 389 transitions. cyclomatic complexity: 85 Second operand 5 states. [2018-11-18 11:57:33,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:33,620 INFO L93 Difference]: Finished difference Result 958 states and 1214 transitions. [2018-11-18 11:57:33,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:57:33,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 958 states and 1214 transitions. [2018-11-18 11:57:33,625 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 712 [2018-11-18 11:57:33,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 958 states to 958 states and 1214 transitions. [2018-11-18 11:57:33,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 958 [2018-11-18 11:57:33,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 958 [2018-11-18 11:57:33,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 958 states and 1214 transitions. [2018-11-18 11:57:33,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:57:33,630 INFO L705 BuchiCegarLoop]: Abstraction has 958 states and 1214 transitions. [2018-11-18 11:57:33,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states and 1214 transitions. [2018-11-18 11:57:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 325. [2018-11-18 11:57:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-11-18 11:57:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 407 transitions. [2018-11-18 11:57:33,639 INFO L728 BuchiCegarLoop]: Abstraction has 325 states and 407 transitions. [2018-11-18 11:57:33,639 INFO L608 BuchiCegarLoop]: Abstraction has 325 states and 407 transitions. [2018-11-18 11:57:33,639 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 11:57:33,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 325 states and 407 transitions. [2018-11-18 11:57:33,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2018-11-18 11:57:33,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:57:33,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:57:33,642 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,642 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:33,642 INFO L794 eck$LassoCheckResult]: Stem: 3792#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 3619#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 3620#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3713#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3714#L82 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret38;havoc main_#t~ret38; 3674#L582 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 3675#L557 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 3647#L461 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3648#L917-3 [2018-11-18 11:57:33,642 INFO L796 eck$LassoCheckResult]: Loop: 3648#L917-3 assume true; 3741#L917-1 assume !false; 3653#L918 assume test_~splverifierCounter~0 < 4; 3654#L919 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 3807#L927 assume !(0 != test_~tmp~9); 3630#L927-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 3664#L937 assume !(0 != test_~tmp___0~2); 3666#L937-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 3904#L947 assume 0 != test_~tmp___2~0; 3730#L953-2 assume { :begin_inline_timeShift } true; 3731#L704 assume !(0 != ~pumpRunning~0); 3802#L704-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 3803#L762 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 3667#L736-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 3668#L683-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 3769#L688-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 3826#L881-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 3824#L881-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 3822#L887-1 processEnvironment__wrappee__methaneQuery_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret49;havoc processEnvironment__wrappee__methaneQuery_#t~ret49; 3820#L740-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 3658#L728-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3659#L736-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3669#L762-1 assume { :end_inline_processEnvironment } true; 3711#L711-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 3615#L643-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 3616#L472 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 3896#L472-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 3793#L721 assume { :end_inline_timeShift } true; 3648#L917-3 [2018-11-18 11:57:33,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 11:57:33,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:33,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1102777994, now seen corresponding path program 1 times [2018-11-18 11:57:33,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,675 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:57:33,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:33,685 INFO L82 PathProgramCache]: Analyzing trace with hash 2101848563, now seen corresponding path program 1 times [2018-11-18 11:57:33,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:57:33,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:57:33,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:33,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:57:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:58:03,864 WARN L180 SmtUtils]: Spent 30.00 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 11:58:24,449 WARN L180 SmtUtils]: Spent 20.58 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 11:58:24,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:58:24 BoogieIcfgContainer [2018-11-18 11:58:24,512 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:58:24,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:24,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:24,513 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:24,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:32" (3/4) ... [2018-11-18 11:58:24,516 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:58:24,564 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33c0cb6e-c29c-4605-b127-3aad2b824695/bin-2019/uautomizer/witness.graphml [2018-11-18 11:58:24,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:24,565 INFO L168 Benchmark]: Toolchain (without parser) took 53788.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,566 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:24,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,567 INFO L168 Benchmark]: Boogie Preprocessor took 34.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,567 INFO L168 Benchmark]: RCFGBuilder took 780.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,567 INFO L168 Benchmark]: BuchiAutomizer took 52424.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 331.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,568 INFO L168 Benchmark]: Witness Printer took 51.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:24,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 446.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 780.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52424.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 331.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 325 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 51.5s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1342 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 325 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1342 SDtfs, 2354 SDslu, 2580 SDs, 0 SdLazy, 224 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 917]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Off"=0, "On"=0, "OK"=0, "OK"=12, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3282c7d=0, "CRIT"=0, retValue_acc=0, ",Pump:"=0, ",Meth:"=0, "Off"=35, "On"=36, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f333e74=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a4507b2=0, "\n"=0, "__utac__get_this_argtype"=17, ") "=0, "\n"=34, tmp___1=0, tmp=0, "libacc.c"=22, "libacc.c"=26, "libacc.c"=29, "i > 0 && i <= this->argsCount"=23, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5477792d=0, "i > 0 && i <= this->argsCount"=19, ",Meth:"=15, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, "Off"=40, retValue_acc=0, \result=0, "CRIT"=14, "Pump(System:"=0, ",Pump:"=39, "Off"=0, "On"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, \result=0, "__utac__get_this_arg"=28, tmp=1, "i > 0 && i <= this->argsCount"=0, ") "=38, "__utac__get_this_argtype"=0, \result=1, ")"=8, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@480ea4b1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38723a9e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@150daed7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b62d9e3=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1327ba08=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eb833c3=0, "i > 0 && i <= this->argsCount"=27, retValue_acc=0, retValue_acc=1, tmp=1, tmp___2=154, tmp___0=0, "__utac__get_this_argtype"=20, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=24, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=31, tmp=0, "libacc.c"=0, "libacc.c"=18, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=16, "On"=37, "Pump(System:"=11, ")"=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 917]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L384] FCALL "i > 0 && i <= this->argsCount" [L384] FCALL "libacc.c" [L385] FCALL "__utac__get_this_arg" [L391] FCALL "i > 0 && i <= this->argsCount" [L391] FCALL "libacc.c" [L392] FCALL "__utac__get_this_arg" [L430] FCALL "i > 0 && i <= this->argsCount" [L430] FCALL "libacc.c" [L431] FCALL "__utac__get_this_argtype" [L437] FCALL "i > 0 && i <= this->argsCount" [L437] FCALL "libacc.c" [L438] FCALL "__utac__get_this_argtype" [L652] FCALL "Env(Water:%i" [L653] FCALL ",Meth:" [L657] FCALL "CRIT" [L661] FCALL "OK" [L665] FCALL ")" [L841] FCALL "Pump(System:" [L845] FCALL "On" [L849] FCALL "Off" [L853] FCALL ",Pump:" [L857] FCALL "On" [L861] FCALL "Off" [L865] FCALL ") " [L867] FCALL "\n" [L455] int methAndRunningLastTime ; [L494] int cleanupTimeShifts = 4; [L600] int waterLevel = 1; [L601] int methaneLevelCritical = 0; [L697] int pumpRunning = 0; [L698] int systemActive = 1; [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L573] int retValue_acc ; [L574] int tmp ; [L578] FCALL select_helpers() [L579] FCALL select_features() [L580] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L580] EXPR valid_product() [L580] tmp = valid_product() [L582] COND TRUE \read(tmp) [L584] FCALL setup() [L585] CALL runTest() [L566] CALL __utac_acc__Specification2_spec__1() [L460] RET methAndRunningLastTime = 0 [L566] __utac_acc__Specification2_spec__1() [L567] CALL test() [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND TRUE \read(tmp___2) [L962] CALL timeShift() [L704] COND FALSE !(\read(pumpRunning)) [L711] COND TRUE \read(systemActive) [L713] CALL processEnvironment() [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L777] CALL processEnvironment__wrappee__methaneQuery() [L733] int tmp ; [L736] COND TRUE ! pumpRunning [L738] CALL, EXPR isHighWaterLevel() [L873] int retValue_acc ; [L874] int tmp ; [L875] int tmp___0 ; [L879] CALL, EXPR isHighWaterSensorDry() [L680] int retValue_acc ; [L683] COND TRUE waterLevel < 2 [L684] retValue_acc = 1 [L685] RET return (retValue_acc); [L879] EXPR isHighWaterSensorDry() [L879] tmp = isHighWaterSensorDry() [L881] COND TRUE \read(tmp) [L882] tmp___0 = 0 [L886] retValue_acc = tmp___0 [L887] RET return (retValue_acc); [L738] EXPR isHighWaterLevel() [L738] tmp = isHighWaterLevel() [L740] COND FALSE !(\read(tmp)) [L746] RET, FCALL processEnvironment__wrappee__base() [L777] RET processEnvironment__wrappee__methaneQuery() [L713] processEnvironment() [L719] CALL __utac_acc__Specification2_spec__2() [L465] int tmp ; [L466] int tmp___0 ; [L470] CALL, EXPR isMethaneLevelCritical() [L639] int retValue_acc ; [L642] retValue_acc = methaneLevelCritical [L643] RET return (retValue_acc); [L470] EXPR isMethaneLevelCritical() [L470] tmp = isMethaneLevelCritical() [L472] COND FALSE !(\read(tmp)) [L488] RET methAndRunningLastTime = 0 [L719] RET __utac_acc__Specification2_spec__2() [L962] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...