./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f80d3a5338c2579934de7f265b1ca347607a109f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:32:49,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:32:49,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:32:49,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:32:49,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:32:49,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:32:49,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:32:49,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:32:49,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:32:49,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:32:49,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:32:49,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:32:49,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:32:49,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:32:49,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:32:49,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:32:49,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:32:49,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:32:49,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:32:49,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:32:49,346 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:32:49,347 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:32:49,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:32:49,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:32:49,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:32:49,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:32:49,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:32:49,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:32:49,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:32:49,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:32:49,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:32:49,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:32:49,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:32:49,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:32:49,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:32:49,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:32:49,354 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:32:49,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:32:49,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:32:49,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:32:49,363 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:32:49,363 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:32:49,363 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:32:49,363 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:32:49,363 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:32:49,363 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:32:49,364 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:32:49,364 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:32:49,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:32:49,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:32:49,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:32:49,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:32:49,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:32:49,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:32:49,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:32:49,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:32:49,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:32:49,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:32:49,367 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2018-11-10 03:32:49,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:32:49,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:32:49,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:32:49,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:32:49,407 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:32:49,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-10 03:32:49,454 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/data/62fc7ce15/788334a4bde0412aae6dc3697ca5a8ef/FLAG68c26c79e [2018-11-10 03:32:49,822 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:32:49,822 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-10 03:32:49,829 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/data/62fc7ce15/788334a4bde0412aae6dc3697ca5a8ef/FLAG68c26c79e [2018-11-10 03:32:49,838 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/data/62fc7ce15/788334a4bde0412aae6dc3697ca5a8ef [2018-11-10 03:32:49,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:32:49,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:32:49,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:32:49,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:32:49,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:32:49,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:32:49" (1/1) ... [2018-11-10 03:32:49,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e93ada0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:49, skipping insertion in model container [2018-11-10 03:32:49,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:32:49" (1/1) ... [2018-11-10 03:32:49,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:32:49,890 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:32:50,087 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:32:50,096 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:32:50,151 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:32:50,173 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:32:50,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50 WrapperNode [2018-11-10 03:32:50,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:32:50,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:32:50,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:32:50,174 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:32:50,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:32:50,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:32:50,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:32:50,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:32:50,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... [2018-11-10 03:32:50,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:32:50,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:32:50,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:32:50,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:32:50,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:32:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:32:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:32:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:32:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:32:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 03:32:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 03:32:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:32:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:32:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:32:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:32:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:32:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:32:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:32:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:32:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:32:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:32:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:32:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:32:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:32:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:32:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:32:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:32:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 03:32:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:32:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:32:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:32:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:32:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:32:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:32:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:32:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:32:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:32:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:32:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:32:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:32:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:32:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:32:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:32:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:32:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:32:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:32:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:32:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:32:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:32:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:32:50,938 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:32:50,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:50 BoogieIcfgContainer [2018-11-10 03:32:50,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:32:50,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:32:50,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:32:50,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:32:50,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:32:49" (1/3) ... [2018-11-10 03:32:50,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28656dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:32:50, skipping insertion in model container [2018-11-10 03:32:50,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:50" (2/3) ... [2018-11-10 03:32:50,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28656dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:32:50, skipping insertion in model container [2018-11-10 03:32:50,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:50" (3/3) ... [2018-11-10 03:32:50,944 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-10 03:32:50,950 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:32:50,955 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:32:50,965 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:32:50,984 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:32:50,984 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:32:50,984 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:32:50,984 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:32:50,984 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:32:50,984 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:32:50,985 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:32:50,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:32:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-11-10 03:32:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:32:51,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:32:51,007 INFO L375 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:32:51,009 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:32:51,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash 975350401, now seen corresponding path program 1 times [2018-11-10 03:32:51,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:32:51,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:51,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:32:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:51,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:51,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:32:51,216 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:32:51,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:32:51,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:32:51,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:32:51,229 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-11-10 03:32:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:51,256 INFO L93 Difference]: Finished difference Result 228 states and 285 transitions. [2018-11-10 03:32:51,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:32:51,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 03:32:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:32:51,265 INFO L225 Difference]: With dead ends: 228 [2018-11-10 03:32:51,265 INFO L226 Difference]: Without dead ends: 116 [2018-11-10 03:32:51,268 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:32:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-10 03:32:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-10 03:32:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-10 03:32:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2018-11-10 03:32:51,298 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 51 [2018-11-10 03:32:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:32:51,299 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2018-11-10 03:32:51,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:32:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2018-11-10 03:32:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 03:32:51,301 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:32:51,301 INFO L375 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:32:51,301 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:32:51,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:51,301 INFO L82 PathProgramCache]: Analyzing trace with hash 67166457, now seen corresponding path program 1 times [2018-11-10 03:32:51,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:32:51,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:51,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,303 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:32:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:51,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:51,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:32:51,387 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:32:51,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:32:51,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:32:51,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:32:51,389 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 3 states. [2018-11-10 03:32:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:51,406 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-11-10 03:32:51,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:32:51,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 03:32:51,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:32:51,408 INFO L225 Difference]: With dead ends: 165 [2018-11-10 03:32:51,408 INFO L226 Difference]: Without dead ends: 106 [2018-11-10 03:32:51,409 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:32:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-10 03:32:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-10 03:32:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 03:32:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-11-10 03:32:51,417 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2018-11-10 03:32:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:32:51,417 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-11-10 03:32:51,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:32:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-11-10 03:32:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 03:32:51,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:32:51,419 INFO L375 BasicCegarLoop]: trace 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, 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] [2018-11-10 03:32:51,419 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:32:51,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:51,419 INFO L82 PathProgramCache]: Analyzing trace with hash 519478072, now seen corresponding path program 1 times [2018-11-10 03:32:51,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:32:51,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:51,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,420 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:32:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:51,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:51,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:32:51,536 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:32:51,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:32:51,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:32:51,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:32:51,537 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 7 states. [2018-11-10 03:32:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:51,888 INFO L93 Difference]: Finished difference Result 314 states and 384 transitions. [2018-11-10 03:32:51,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:32:51,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-10 03:32:51,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:32:51,891 INFO L225 Difference]: With dead ends: 314 [2018-11-10 03:32:51,891 INFO L226 Difference]: Without dead ends: 236 [2018-11-10 03:32:51,892 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:32:51,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-10 03:32:51,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-11-10 03:32:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-10 03:32:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 273 transitions. [2018-11-10 03:32:51,918 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 273 transitions. Word has length 58 [2018-11-10 03:32:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:32:51,919 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 273 transitions. [2018-11-10 03:32:51,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:32:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 273 transitions. [2018-11-10 03:32:51,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 03:32:51,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:32:51,921 INFO L375 BasicCegarLoop]: trace 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, 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] [2018-11-10 03:32:51,922 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:32:51,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:51,922 INFO L82 PathProgramCache]: Analyzing trace with hash 496893264, now seen corresponding path program 1 times [2018-11-10 03:32:51,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:32:51,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:51,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:51,923 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:32:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:52,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:52,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:32:52,018 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:32:52,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:32:52,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:32:52,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:32:52,019 INFO L87 Difference]: Start difference. First operand 224 states and 273 transitions. Second operand 6 states. [2018-11-10 03:32:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:52,168 INFO L93 Difference]: Finished difference Result 598 states and 753 transitions. [2018-11-10 03:32:52,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:32:52,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-10 03:32:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:32:52,173 INFO L225 Difference]: With dead ends: 598 [2018-11-10 03:32:52,173 INFO L226 Difference]: Without dead ends: 402 [2018-11-10 03:32:52,175 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:32:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-11-10 03:32:52,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2018-11-10 03:32:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-11-10 03:32:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 486 transitions. [2018-11-10 03:32:52,221 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 486 transitions. Word has length 63 [2018-11-10 03:32:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:32:52,221 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 486 transitions. [2018-11-10 03:32:52,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:32:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 486 transitions. [2018-11-10 03:32:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 03:32:52,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:32:52,224 INFO L375 BasicCegarLoop]: trace 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, 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, 1, 1, 1] [2018-11-10 03:32:52,224 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:32:52,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:52,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1461493076, now seen corresponding path program 1 times [2018-11-10 03:32:52,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:32:52,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:52,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:52,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:52,226 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:32:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:52,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:52,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:32:52,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:32:52,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:32:52,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:32:52,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:32:52,313 INFO L87 Difference]: Start difference. First operand 396 states and 486 transitions. Second operand 7 states. [2018-11-10 03:32:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:52,543 INFO L93 Difference]: Finished difference Result 676 states and 853 transitions. [2018-11-10 03:32:52,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:32:52,544 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-10 03:32:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:32:52,544 INFO L225 Difference]: With dead ends: 676 [2018-11-10 03:32:52,545 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:32:52,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:32:52,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:32:52,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:32:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:32:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:32:52,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-11-10 03:32:52,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:32:52,547 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:32:52,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:32:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:32:52,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:32:52,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:32:53,138 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2018-11-10 03:32:53,138 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2018-11-10 03:32:53,138 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-10 03:32:53,138 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2018-11-10 03:32:53,138 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-10 03:32:53,139 INFO L421 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,139 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,139 INFO L421 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,139 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,139 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-10 03:32:53,139 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-10 03:32:53,139 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,140 INFO L421 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 885 899) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L421 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 895) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 885 899) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 885 899) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 840 848) no Hoare annotation was computed. [2018-11-10 03:32:53,140 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 840 848) the Hoare annotation is: true [2018-11-10 03:32:53,141 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 840 848) no Hoare annotation was computed. [2018-11-10 03:32:53,141 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-10 03:32:53,141 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2018-11-10 03:32:53,141 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,141 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,141 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-10 03:32:53,141 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-10 03:32:53,141 INFO L425 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2018-11-10 03:32:53,141 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 829 839) the Hoare annotation is: true [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 829 839) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 829 839) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L428 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2018-11-10 03:32:53,142 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 821 828) the Hoare annotation is: true [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 821 828) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 821 828) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L421 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-10 03:32:53,142 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-10 03:32:53,143 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-10 03:32:53,143 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 03:32:53,143 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 03:32:53,143 INFO L425 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-10 03:32:53,143 INFO L421 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 03:32:53,143 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-10 03:32:53,143 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-10 03:32:53,143 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,143 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,143 INFO L425 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L692-1(lines 692 741) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L421 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,144 INFO L421 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L421 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2018-11-10 03:32:53,144 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,144 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L421 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L421 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L421 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 669) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 672) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2018-11-10 03:32:53,145 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 675) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point L658-1(lines 650 678) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 650 678) the Hoare annotation is: true [2018-11-10 03:32:53,146 INFO L428 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 650 678) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 642 649) the Hoare annotation is: true [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 642 649) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 642 649) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:32:53,146 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 542 553) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 542 553) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 542 553) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 03:32:53,147 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 03:32:53,147 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 03:32:53,147 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 03:32:53,148 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 03:32:53,148 INFO L421 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 03:32:53,148 INFO L421 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 03:32:53,148 INFO L421 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 03:32:53,148 INFO L425 ceAbstractionStarter]: For program point L760(lines 759 778) no Hoare annotation was computed. [2018-11-10 03:32:53,148 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 03:32:53,148 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2018-11-10 03:32:53,148 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2018-11-10 03:32:53,148 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 554 562) the Hoare annotation is: true [2018-11-10 03:32:53,148 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 554 562) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 554 562) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 518 529) the Hoare annotation is: true [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 518 529) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:32:53,149 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2018-11-10 03:32:53,149 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 900 907) the Hoare annotation is: true [2018-11-10 03:32:53,149 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 900 907) no Hoare annotation was computed. [2018-11-10 03:32:53,150 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 530 541) no Hoare annotation was computed. [2018-11-10 03:32:53,150 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2018-11-10 03:32:53,150 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 530 541) the Hoare annotation is: true [2018-11-10 03:32:53,150 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 596 603) no Hoare annotation was computed. [2018-11-10 03:32:53,150 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 596 603) the Hoare annotation is: true [2018-11-10 03:32:53,150 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2018-11-10 03:32:53,150 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 596 603) no Hoare annotation was computed. [2018-11-10 03:32:53,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:32:53 BoogieIcfgContainer [2018-11-10 03:32:53,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:32:53,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:32:53,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:32:53,164 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:32:53,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:50" (3/4) ... [2018-11-10 03:32:53,168 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:32:53,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:32:53,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:32:53,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:32:53,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 03:32:53,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:32:53,190 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:32:53,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:32:53,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:32:53,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_851d5b4f-ecb9-4d0b-97a6-f93de246f655/bin-2019/utaipan/witness.graphml [2018-11-10 03:32:53,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:32:53,249 INFO L168 Benchmark]: Toolchain (without parser) took 3407.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.2 MB in the beginning and 889.8 MB in the end (delta: 69.5 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,250 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-10 03:32:53,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.32 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,250 INFO L168 Benchmark]: Boogie Preprocessor took 30.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,251 INFO L168 Benchmark]: RCFGBuilder took 651.01 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,251 INFO L168 Benchmark]: TraceAbstraction took 2224.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 900.2 MB in the end (delta: 141.7 MB). Peak memory consumption was 141.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,251 INFO L168 Benchmark]: Witness Printer took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 900.2 MB in the beginning and 889.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:53,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 331.32 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 934.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 651.01 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2224.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 900.2 MB in the end (delta: 141.7 MB). Peak memory consumption was 141.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 900.2 MB in the beginning and 889.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 641 SDtfs, 363 SDslu, 1219 SDs, 0 SdLazy, 432 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 523 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 31313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...