./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_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_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/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 c5a0b2bcaab730b804e6efb5bb851b66755fb542 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:00:14,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:00:14,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:00:14,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:00:14,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:00:14,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:00:14,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:00:14,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:00:14,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:00:14,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:00:14,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:00:14,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:00:14,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:00:14,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:00:14,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:00:14,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:00:14,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:00:14,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:00:14,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:00:14,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:00:14,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:00:14,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:00:14,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:00:14,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:00:14,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:00:14,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:00:14,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:00:14,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:00:14,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:00:14,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:00:14,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:00:14,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:00:14,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:00:14,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:00:14,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:00:14,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:00:14,249 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:00:14,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:00:14,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:00:14,261 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:00:14,261 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:00:14,261 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:00:14,261 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:00:14,261 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:00:14,261 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:00:14,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:00:14,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:00:14,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:00:14,263 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:00:14,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:00:14,264 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:00:14,264 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:00:14,264 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:00:14,264 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_c96a75b4-64f1-4d2d-9b01-197d2d566133/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 -> c5a0b2bcaab730b804e6efb5bb851b66755fb542 [2018-11-18 12:00:14,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:00:14,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:00:14,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:00:14,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:00:14,301 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:00:14,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product47_true-unreach-call_false-termination.cil.c [2018-11-18 12:00:14,347 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/data/4246d1313/5b2e4644f9fc43b4bb5237c9097b0e75/FLAGeb18787d5 [2018-11-18 12:00:14,766 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:00:14,767 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/sv-benchmarks/c/product-lines/minepump_spec5_product47_true-unreach-call_false-termination.cil.c [2018-11-18 12:00:14,774 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/data/4246d1313/5b2e4644f9fc43b4bb5237c9097b0e75/FLAGeb18787d5 [2018-11-18 12:00:14,782 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/data/4246d1313/5b2e4644f9fc43b4bb5237c9097b0e75 [2018-11-18 12:00:14,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:00:14,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:00:14,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:00:14,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:00:14,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:00:14,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:00:14" (1/1) ... [2018-11-18 12:00:14,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:14, skipping insertion in model container [2018-11-18 12:00:14,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:00:14" (1/1) ... [2018-11-18 12:00:14,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:00:14,825 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:00:15,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:00:15,027 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:00:15,137 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:00:15,160 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:00:15,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15 WrapperNode [2018-11-18 12:00:15,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:00:15,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:00:15,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:00:15,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:00:15,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:00:15,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:00:15,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:00:15,213 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:00:15,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... [2018-11-18 12:00:15,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:00:15,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:00:15,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:00:15,247 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:00:15,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/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 12:00:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:00:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:00:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:00:15,974 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:00:15,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:15 BoogieIcfgContainer [2018-11-18 12:00:15,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:00:15,975 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:00:15,975 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:00:15,980 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:00:15,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:00:15,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:00:14" (1/3) ... [2018-11-18 12:00:15,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c298c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:00:15, skipping insertion in model container [2018-11-18 12:00:15,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:00:15,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:15" (2/3) ... [2018-11-18 12:00:15,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c298c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:00:15, skipping insertion in model container [2018-11-18 12:00:15,983 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:00:15,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:15" (3/3) ... [2018-11-18 12:00:15,984 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product47_true-unreach-call_false-termination.cil.c [2018-11-18 12:00:16,034 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:00:16,035 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:00:16,035 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:00:16,035 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:00:16,035 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:00:16,035 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:00:16,036 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:00:16,036 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:00:16,036 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:00:16,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states. [2018-11-18 12:00:16,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 12:00:16,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:00:16,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:00:16,084 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:16,084 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] [2018-11-18 12:00:16,085 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:00:16,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states. [2018-11-18 12:00:16,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 12:00:16,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:00:16,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:00:16,091 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:16,091 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] [2018-11-18 12:00:16,096 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 107#L833true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L826true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 9#L841true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 116#L431true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 120#L403true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 85#L853true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 132#L287-3true [2018-11-18 12:00:16,101 INFO L796 eck$LassoCheckResult]: Loop: 132#L287-3true assume true; 137#L287-1true assume !false; 111#L288true assume test_~splverifierCounter~0 < 4; 188#L289true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 70#L297true assume !(0 != test_~tmp~4); 69#L297-2true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 12#L307true assume !(0 != test_~tmp___0~1); 17#L307-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 50#L317true assume 0 != test_~tmp___2~0; 43#L323-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 134#L199true __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 31#L863true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 84#L71true assume !(0 != ~pumpRunning~0); 82#L71-2true assume !(0 != ~systemActive~0); 148#L78-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 195#L971true __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 30#L874true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 10#L874-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 80#L88true assume { :end_inline_timeShift } true; 132#L287-3true [2018-11-18 12:00:16,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,105 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:00:16,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:16,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1823075523, now seen corresponding path program 1 times [2018-11-18 12:00:16,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:16,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,267 INFO L82 PathProgramCache]: Analyzing trace with hash -393327180, now seen corresponding path program 1 times [2018-11-18 12:00:16,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:16,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:16,392 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 12:00:16,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:00:16,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:00:16,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:00:16,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:00:16,484 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 6 states. [2018-11-18 12:00:16,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:16,660 INFO L93 Difference]: Finished difference Result 453 states and 588 transitions. [2018-11-18 12:00:16,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:00:16,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 453 states and 588 transitions. [2018-11-18 12:00:16,669 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 295 [2018-11-18 12:00:16,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 453 states to 423 states and 558 transitions. [2018-11-18 12:00:16,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 423 [2018-11-18 12:00:16,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 423 [2018-11-18 12:00:16,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 423 states and 558 transitions. [2018-11-18 12:00:16,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:00:16,682 INFO L705 BuchiCegarLoop]: Abstraction has 423 states and 558 transitions. [2018-11-18 12:00:16,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states and 558 transitions. [2018-11-18 12:00:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 246. [2018-11-18 12:00:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-18 12:00:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 324 transitions. [2018-11-18 12:00:16,715 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 324 transitions. [2018-11-18 12:00:16,715 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 324 transitions. [2018-11-18 12:00:16,716 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:00:16,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 324 transitions. [2018-11-18 12:00:16,717 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 172 [2018-11-18 12:00:16,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:00:16,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:00:16,718 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:16,719 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] [2018-11-18 12:00:16,719 INFO L794 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 683#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 674#L833 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 675#L826 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 686#L841 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 687#L431 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 717#L403 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 748#L853 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 771#L287-3 [2018-11-18 12:00:16,719 INFO L796 eck$LassoCheckResult]: Loop: 771#L287-3 assume true; 772#L287-1 assume !false; 693#L288 assume test_~splverifierCounter~0 < 4; 694#L289 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 838#L297 assume !(0 != test_~tmp~4); 833#L297-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 696#L307 assume !(0 != test_~tmp___0~1); 698#L307-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 709#L317 assume 0 != test_~tmp___2~0; 764#L323-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 775#L199 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 739#L863 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 740#L71 assume !(0 != ~pumpRunning~0); 840#L71-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 841#L129 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 718#L103-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 670#L95-3 assume { :end_inline_processEnvironment__wrappee__base } true; 671#L103-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 722#L129-1 assume { :end_inline_processEnvironment } true; 792#L78-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 793#L971 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 735#L874 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 688#L874-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 689#L88 assume { :end_inline_timeShift } true; 771#L287-3 [2018-11-18 12:00:16,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,720 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:00:16,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,767 INFO L82 PathProgramCache]: Analyzing trace with hash 289957620, now seen corresponding path program 1 times [2018-11-18 12:00:16,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,768 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:00:16,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:16,794 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 12:00:16,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:00:16,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:00:16,795 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:00:16,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:00:16,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:00:16,796 INFO L87 Difference]: Start difference. First operand 246 states and 324 transitions. cyclomatic complexity: 81 Second operand 3 states. [2018-11-18 12:00:16,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:16,866 INFO L93 Difference]: Finished difference Result 313 states and 395 transitions. [2018-11-18 12:00:16,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:00:16,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 395 transitions. [2018-11-18 12:00:16,870 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2018-11-18 12:00:16,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 313 states and 395 transitions. [2018-11-18 12:00:16,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 313 [2018-11-18 12:00:16,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 313 [2018-11-18 12:00:16,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 313 states and 395 transitions. [2018-11-18 12:00:16,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:00:16,874 INFO L705 BuchiCegarLoop]: Abstraction has 313 states and 395 transitions. [2018-11-18 12:00:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states and 395 transitions. [2018-11-18 12:00:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-11-18 12:00:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-11-18 12:00:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 395 transitions. [2018-11-18 12:00:16,886 INFO L728 BuchiCegarLoop]: Abstraction has 313 states and 395 transitions. [2018-11-18 12:00:16,886 INFO L608 BuchiCegarLoop]: Abstraction has 313 states and 395 transitions. [2018-11-18 12:00:16,886 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:00:16,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 395 transitions. [2018-11-18 12:00:16,888 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2018-11-18 12:00:16,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:00:16,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:00:16,889 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:16,890 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:16,890 INFO L794 eck$LassoCheckResult]: Stem: 1415#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1249#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1238#L833 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1239#L826 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1252#L841 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 1253#L431 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1281#L403 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1313#L853 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1337#L287-3 [2018-11-18 12:00:16,890 INFO L796 eck$LassoCheckResult]: Loop: 1337#L287-3 assume true; 1338#L287-1 assume !false; 1260#L288 assume test_~splverifierCounter~0 < 4; 1261#L289 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1543#L297 assume !(0 != test_~tmp~4); 1541#L297-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1257#L307 assume !(0 != test_~tmp___0~1); 1259#L307-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1274#L317 assume 0 != test_~tmp___2~0; 1329#L323-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1344#L199 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 1304#L863 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1305#L71 assume !(0 != ~pumpRunning~0); 1418#L71-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1419#L129 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 1282#L103-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1283#L979-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1289#L984-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1290#L248-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 1374#L248-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1345#L254-1 processEnvironment__wrappee__methaneQuery_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0 := processEnvironment__wrappee__methaneQuery_#t~ret0;havoc processEnvironment__wrappee__methaneQuery_#t~ret0; 1346#L107-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1242#L95-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1243#L103-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1287#L129-1 assume { :end_inline_processEnvironment } true; 1358#L78-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1359#L971 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 1300#L874 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 1250#L874-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1251#L88 assume { :end_inline_timeShift } true; 1337#L287-3 [2018-11-18 12:00:16,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,891 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 12:00:16,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:16,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:16,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:16,924 INFO L82 PathProgramCache]: Analyzing trace with hash -457745204, now seen corresponding path program 1 times [2018-11-18 12:00:16,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:16,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:16,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,926 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:00:16,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:16,985 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 12:00:16,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:00:16,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:00:16,985 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:00:16,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:00:16,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:00:16,986 INFO L87 Difference]: Start difference. First operand 313 states and 395 transitions. cyclomatic complexity: 85 Second operand 5 states. [2018-11-18 12:00:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:17,137 INFO L93 Difference]: Finished difference Result 1355 states and 1697 transitions. [2018-11-18 12:00:17,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:00:17,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1355 states and 1697 transitions. [2018-11-18 12:00:17,144 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 949 [2018-11-18 12:00:17,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1355 states to 1355 states and 1697 transitions. [2018-11-18 12:00:17,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1355 [2018-11-18 12:00:17,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1355 [2018-11-18 12:00:17,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1355 states and 1697 transitions. [2018-11-18 12:00:17,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:00:17,150 INFO L705 BuchiCegarLoop]: Abstraction has 1355 states and 1697 transitions. [2018-11-18 12:00:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states and 1697 transitions. [2018-11-18 12:00:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 615. [2018-11-18 12:00:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-11-18 12:00:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 767 transitions. [2018-11-18 12:00:17,165 INFO L728 BuchiCegarLoop]: Abstraction has 615 states and 767 transitions. [2018-11-18 12:00:17,165 INFO L608 BuchiCegarLoop]: Abstraction has 615 states and 767 transitions. [2018-11-18 12:00:17,165 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:00:17,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 615 states and 767 transitions. [2018-11-18 12:00:17,167 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 444 [2018-11-18 12:00:17,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:00:17,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:00:17,168 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:17,168 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:17,168 INFO L794 eck$LassoCheckResult]: Stem: 3124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2936#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 2925#L833 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2926#L826 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 2937#L841 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 2938#L431 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 2968#L403 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3000#L853 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3136#L287-3 [2018-11-18 12:00:17,169 INFO L796 eck$LassoCheckResult]: Loop: 3136#L287-3 assume true; 3462#L287-1 assume !false; 3459#L288 assume test_~splverifierCounter~0 < 4; 3460#L289 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 3457#L297 assume !(0 != test_~tmp~4); 3448#L297-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 3446#L307 assume !(0 != test_~tmp___0~1); 3385#L307-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 3377#L317 assume 0 != test_~tmp___2~0; 3376#L323-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret62;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 3374#L199 __utac_acc__Specification5_spec__2_#t~ret62 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret62;havoc __utac_acc__Specification5_spec__2_#t~ret62; 3375#L863 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3343#L71 assume !(0 != ~pumpRunning~0); 3342#L71-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 3145#L129 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 2969#L103-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 2970#L979-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 2976#L984-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 2977#L248-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 3074#L248-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 3037#L254-1 processEnvironment__wrappee__methaneQuery_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0 := processEnvironment__wrappee__methaneQuery_#t~ret0;havoc processEnvironment__wrappee__methaneQuery_#t~ret0; 3038#L107-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 3115#L95-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3513#L103-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3511#L129-1 assume { :end_inline_processEnvironment } true; 3474#L78-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret63, __utac_acc__Specification5_spec__3_#t~ret64, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 3475#L971 __utac_acc__Specification5_spec__3_#t~ret63 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret63;havoc __utac_acc__Specification5_spec__3_#t~ret63; 2989#L874 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 2990#L199-1 __utac_acc__Specification5_spec__3_#t~ret64 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret64;havoc __utac_acc__Specification5_spec__3_#t~ret64; 3468#L878 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 3467#L874-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3463#L88 assume { :end_inline_timeShift } true; 3136#L287-3 [2018-11-18 12:00:17,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:17,169 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 12:00:17,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:17,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:17,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:17,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:17,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1825572409, now seen corresponding path program 1 times [2018-11-18 12:00:17,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:17,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:17,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,198 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:00:17,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1229014864, now seen corresponding path program 1 times [2018-11-18 12:00:17,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:17,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:17,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:17,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:00:17,362 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 12:01:30,236 WARN L180 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:02:06,124 WARN L180 SmtUtils]: Spent 35.89 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:02:06,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:02:06 BoogieIcfgContainer [2018-11-18 12:02:06,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:02:06,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:02:06,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:02:06,186 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:02:06,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:15" (3/4) ... [2018-11-18 12:02:06,189 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:02:06,233 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c96a75b4-64f1-4d2d-9b01-197d2d566133/bin-2019/uautomizer/witness.graphml [2018-11-18 12:02:06,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:02:06,234 INFO L168 Benchmark]: Toolchain (without parser) took 111449.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:02:06,234 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:02:06,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,236 INFO L168 Benchmark]: Boogie Preprocessor took 33.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,236 INFO L168 Benchmark]: RCFGBuilder took 728.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,236 INFO L168 Benchmark]: BuchiAutomizer took 110209.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.4 MB). Peak memory consumption was 221.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,236 INFO L168 Benchmark]: Witness Printer took 48.30 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:02:06,238 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 728.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 110209.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -93.4 MB). Peak memory consumption was 221.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.30 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 615 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 110.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 109.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 917 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 615 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 891 SDtfs, 2537 SDslu, 2300 SDs, 0 SdLazy, 207 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 287]: 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 {"Off"=34, NULL=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=0, retValue_acc=1, "__utac__get_this_arg"=28, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "On"=38, "OK"=14, ",Pump:"=36, "i > 0 && i <= this->argsCount"=19, methaneLevelCritical=0, tmp=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fcbdb0d=0, tmp=0, ",Meth:"=0, retValue_acc=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "libacc.c"=11, \result=0, "i > 0 && i <= this->argsCount"=23, ") "=33, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71e8e33f=0, "__utac__get_this_argtype"=18, "__utac__get_this_arg"=0, \result=0, "i > 0 && i <= this->argsCount"=27, "i > 0 && i <= this->argsCount"=29, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e7fe56=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@194006af=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e27e72b=0, "__utac__get_this_arg"=24, "libacc.c"=12, \result=0, ")"=15, "\n"=0, "Env(Water:%i"=17, "CRIT"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@281f472f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d961ca0=157, tmp=1, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6540bc41=0, \result=1, "libacc.c"=26, "OK"=0, retValue_acc=1, tmp=1, ")"=0, "Pump(System:"=39, tmp___2=157, retValue_acc=1, tmp___0=0, splverifierCounter=0, "Off"=0, "On"=0, "Pump(System:"=0, "Off"=37, "CRIT"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14b7a1f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e1ff089=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cd357ab=0, head=0, retValue_acc=0, tmp=0, "\n"=31, "On"=0, ",Pump:"=0, "On"=35, "libacc.c"=22, "libacc.c"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 287]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L208] FCALL "Pump(System:" [L212] FCALL "On" [L216] FCALL "Off" [L220] FCALL ",Pump:" [L224] FCALL "On" [L228] FCALL "Off" [L232] FCALL ") " [L234] FCALL "\n" [L742] FCALL "i > 0 && i <= this->argsCount" [L742] FCALL "libacc.c" [L743] FCALL "__utac__get_this_arg" [L749] FCALL "i > 0 && i <= this->argsCount" [L749] FCALL "libacc.c" [L750] FCALL "__utac__get_this_arg" [L788] FCALL "i > 0 && i <= this->argsCount" [L788] FCALL "libacc.c" [L789] FCALL "__utac__get_this_argtype" [L795] FCALL "i > 0 && i <= this->argsCount" [L795] FCALL "libacc.c" [L796] FCALL "__utac__get_this_argtype" [L948] FCALL "Env(Water:%i" [L949] FCALL ",Meth:" [L953] FCALL "CRIT" [L957] FCALL "OK" [L961] FCALL ")" [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L847] int switchedOnBeforeTS ; [L896] int waterLevel = 1; [L897] int methaneLevelCritical = 0; [L614] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int retValue_acc ; [L423] int tmp ; [L427] FCALL select_helpers() [L428] FCALL select_features() [L429] CALL, EXPR valid_product() [L837] int retValue_acc ; [L840] retValue_acc = 1 [L841] RET return (retValue_acc); [L429] EXPR valid_product() [L429] tmp = valid_product() [L431] COND TRUE \read(tmp) [L433] FCALL setup() [L434] CALL runTest() [L412] CALL __utac_acc__Specification5_spec__1() [L852] RET switchedOnBeforeTS = 0 [L412] __utac_acc__Specification5_spec__1() [L413] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L332] CALL timeShift() [L69] CALL __utac_acc__Specification5_spec__2() [L861] CALL, EXPR isPumpRunning() [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] RET return (retValue_acc); [L861] EXPR isPumpRunning() [L861] RET switchedOnBeforeTS = isPumpRunning() [L69] __utac_acc__Specification5_spec__2() [L71] COND FALSE !(\read(pumpRunning)) [L78] COND TRUE \read(systemActive) [L80] CALL processEnvironment() [L126] int tmp ; [L129] COND FALSE !(\read(pumpRunning)) [L144] CALL processEnvironment__wrappee__methaneQuery() [L100] int tmp ; [L103] COND TRUE ! pumpRunning [L105] CALL, EXPR isHighWaterLevel() [L240] int retValue_acc ; [L241] int tmp ; [L242] int tmp___0 ; [L246] CALL, EXPR isHighWaterSensorDry() [L976] int retValue_acc ; [L979] COND TRUE waterLevel < 2 [L980] retValue_acc = 1 [L981] RET return (retValue_acc); [L246] EXPR isHighWaterSensorDry() [L246] tmp = isHighWaterSensorDry() [L248] COND TRUE \read(tmp) [L249] tmp___0 = 0 [L253] retValue_acc = tmp___0 [L254] RET return (retValue_acc); [L105] EXPR isHighWaterLevel() [L105] tmp = isHighWaterLevel() [L107] COND FALSE !(\read(tmp)) [L113] RET, FCALL processEnvironment__wrappee__base() [L144] RET processEnvironment__wrappee__methaneQuery() [L80] processEnvironment() [L86] CALL __utac_acc__Specification5_spec__3() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR getWaterLevel() [L967] int retValue_acc ; [L970] retValue_acc = waterLevel [L971] RET return (retValue_acc); [L872] EXPR getWaterLevel() [L872] tmp = getWaterLevel() [L874] COND TRUE tmp != 2 [L876] CALL, EXPR isPumpRunning() [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] RET return (retValue_acc); [L876] EXPR isPumpRunning() [L876] tmp___0 = isPumpRunning() [L878] COND FALSE, RET !(\read(tmp___0)) [L86] RET __utac_acc__Specification5_spec__3() [L332] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...