./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_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_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:32:51,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:32:51,999 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:32:52,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:32:52,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:32:52,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:32:52,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:32:52,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:32:52,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:32:52,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:32:52,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:32:52,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:32:52,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:32:52,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:32:52,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:32:52,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:32:52,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:32:52,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:32:52,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:32:52,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:32:52,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:32:52,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:32:52,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:32:52,032 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:32:52,032 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:32:52,033 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:32:52,034 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:32:52,035 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:32:52,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:32:52,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:32:52,037 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:32:52,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:32:52,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:32:52,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:32:52,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:32:52,041 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:32:52,041 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:32:52,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:32:52,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:32:52,055 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:32:52,055 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:32:52,055 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:32:52,056 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:32:52,056 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:32:52,056 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:32:52,056 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:32:52,056 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:32:52,056 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:32:52,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:32:52,057 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:32:52,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:32:52,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:32:52,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:32:52,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:32:52,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:32:52,060 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:32:52,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:32:52,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:32:52,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:32:52,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:32:52,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:32:52,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:32:52,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:32:52,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:32:52,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:32:52,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:32:52,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:32:52,062 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:32:52,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:32:52,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:32:52,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:32:52,062 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_e11656b0-7569-46ef-ab75-1b5d90c75c65/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2018-10-27 00:32:52,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:32:52,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:32:52,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:32:52,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:32:52,111 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:32:52,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-10-27 00:32:52,165 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/data/1a4df6edc/d89a74d399d54121a05f77a8fd886071/FLAGae8a0e534 [2018-10-27 00:32:52,616 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:32:52,617 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-10-27 00:32:52,629 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/data/1a4df6edc/d89a74d399d54121a05f77a8fd886071/FLAGae8a0e534 [2018-10-27 00:32:52,646 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/data/1a4df6edc/d89a74d399d54121a05f77a8fd886071 [2018-10-27 00:32:52,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:32:52,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:32:52,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:32:52,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:32:52,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:32:52,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:32:52" (1/1) ... [2018-10-27 00:32:52,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c869f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:52, skipping insertion in model container [2018-10-27 00:32:52,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:32:52" (1/1) ... [2018-10-27 00:32:52,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:32:52,716 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:32:53,024 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:53,035 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:32:53,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:53,149 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:32:53,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53 WrapperNode [2018-10-27 00:32:53,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:32:53,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:53,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:32:53,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:32:53,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:53,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:32:53,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:32:53,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:32:53,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... [2018-10-27 00:32:53,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:32:53,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:32:53,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:32:53,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:32:53,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/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 [2018-10-27 00:32:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-27 00:32:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-27 00:32:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:32:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:32:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-27 00:32:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-27 00:32:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-27 00:32:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-27 00:32:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-27 00:32:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-27 00:32:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-27 00:32:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-27 00:32:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-10-27 00:32:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-10-27 00:32:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-10-27 00:32:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-10-27 00:32:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:32:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:32:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:32:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:32:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:32:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:32:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-27 00:32:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-27 00:32:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:32:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:32:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-27 00:32:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-27 00:32:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-27 00:32:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-27 00:32:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:32:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:32:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-27 00:32:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-27 00:32:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-27 00:32:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-27 00:32:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-27 00:32:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-27 00:32:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:32:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:32:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:32:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:32:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:32:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:32:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:32:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:32:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-27 00:32:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-27 00:32:54,730 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:32:54,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:54 BoogieIcfgContainer [2018-10-27 00:32:54,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:32:54,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:32:54,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:32:54,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:32:54,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:32:52" (1/3) ... [2018-10-27 00:32:54,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7da3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:54, skipping insertion in model container [2018-10-27 00:32:54,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:53" (2/3) ... [2018-10-27 00:32:54,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7da3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:54, skipping insertion in model container [2018-10-27 00:32:54,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:54" (3/3) ... [2018-10-27 00:32:54,739 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-10-27 00:32:54,748 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:32:54,759 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:32:54,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:32:54,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:32:54,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:32:54,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:32:54,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:32:54,810 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:32:54,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:32:54,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:32:54,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:32:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-10-27 00:32:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:32:54,839 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:54,840 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] [2018-10-27 00:32:54,843 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:54,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:54,849 INFO L82 PathProgramCache]: Analyzing trace with hash -709674678, now seen corresponding path program 1 times [2018-10-27 00:32:54,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:54,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:54,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:54,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:54,900 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:55,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:55,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:32:55,139 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:55,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:32:55,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:32:55,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:32:55,164 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-10-27 00:32:55,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:55,203 INFO L93 Difference]: Finished difference Result 220 states and 277 transitions. [2018-10-27 00:32:55,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:32:55,205 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-10-27 00:32:55,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:55,219 INFO L225 Difference]: With dead ends: 220 [2018-10-27 00:32:55,219 INFO L226 Difference]: Without dead ends: 112 [2018-10-27 00:32:55,223 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 [2018-10-27 00:32:55,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-27 00:32:55,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-27 00:32:55,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-27 00:32:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 132 transitions. [2018-10-27 00:32:55,279 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 132 transitions. Word has length 51 [2018-10-27 00:32:55,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:55,280 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 132 transitions. [2018-10-27 00:32:55,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:32:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2018-10-27 00:32:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 00:32:55,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:55,284 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] [2018-10-27 00:32:55,284 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:55,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:55,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1648516125, now seen corresponding path program 1 times [2018-10-27 00:32:55,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:55,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:55,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,287 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:55,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:55,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:32:55,495 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:55,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:32:55,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:32:55,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:32:55,497 INFO L87 Difference]: Start difference. First operand 112 states and 132 transitions. Second operand 3 states. [2018-10-27 00:32:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:55,530 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2018-10-27 00:32:55,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:32:55,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-27 00:32:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:55,533 INFO L225 Difference]: With dead ends: 161 [2018-10-27 00:32:55,533 INFO L226 Difference]: Without dead ends: 102 [2018-10-27 00:32:55,534 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 [2018-10-27 00:32:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-27 00:32:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-10-27 00:32:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-27 00:32:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2018-10-27 00:32:55,548 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2018-10-27 00:32:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:55,548 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2018-10-27 00:32:55,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:32:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2018-10-27 00:32:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-27 00:32:55,550 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:55,550 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] [2018-10-27 00:32:55,550 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:55,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:55,551 INFO L82 PathProgramCache]: Analyzing trace with hash 287458260, now seen corresponding path program 1 times [2018-10-27 00:32:55,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:55,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:55,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,552 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:55,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:55,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:32:55,757 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:55,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:32:55,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:32:55,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:32:55,759 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 3 states. [2018-10-27 00:32:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:55,803 INFO L93 Difference]: Finished difference Result 230 states and 279 transitions. [2018-10-27 00:32:55,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:32:55,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-10-27 00:32:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:55,808 INFO L225 Difference]: With dead ends: 230 [2018-10-27 00:32:55,809 INFO L226 Difference]: Without dead ends: 156 [2018-10-27 00:32:55,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:32:55,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-10-27 00:32:55,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2018-10-27 00:32:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-27 00:32:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions. [2018-10-27 00:32:55,834 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 57 [2018-10-27 00:32:55,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:55,835 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 183 transitions. [2018-10-27 00:32:55,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:32:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2018-10-27 00:32:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:32:55,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:55,838 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] [2018-10-27 00:32:55,838 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:55,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:55,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1101374102, now seen corresponding path program 1 times [2018-10-27 00:32:55,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:55,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:56,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:56,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:32:56,131 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:56,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:32:56,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:32:56,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:32:56,132 INFO L87 Difference]: Start difference. First operand 152 states and 183 transitions. Second operand 6 states. [2018-10-27 00:32:56,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:56,996 INFO L93 Difference]: Finished difference Result 387 states and 486 transitions. [2018-10-27 00:32:56,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:32:56,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-10-27 00:32:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:57,001 INFO L225 Difference]: With dead ends: 387 [2018-10-27 00:32:57,001 INFO L226 Difference]: Without dead ends: 263 [2018-10-27 00:32:57,003 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:32:57,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-10-27 00:32:57,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 259. [2018-10-27 00:32:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-10-27 00:32:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 316 transitions. [2018-10-27 00:32:57,047 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 316 transitions. Word has length 63 [2018-10-27 00:32:57,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:57,047 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 316 transitions. [2018-10-27 00:32:57,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:32:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 316 transitions. [2018-10-27 00:32:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 00:32:57,051 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:57,051 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] [2018-10-27 00:32:57,051 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:57,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1727649870, now seen corresponding path program 1 times [2018-10-27 00:32:57,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:57,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:57,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:57,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:57,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:32:57,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:57,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:32:57,555 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:57,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:32:57,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:32:57,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:32:57,557 INFO L87 Difference]: Start difference. First operand 259 states and 316 transitions. Second operand 7 states. [2018-10-27 00:32:58,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:58,877 INFO L93 Difference]: Finished difference Result 437 states and 552 transitions. [2018-10-27 00:32:58,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:32:58,879 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-10-27 00:32:58,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:58,879 INFO L225 Difference]: With dead ends: 437 [2018-10-27 00:32:58,879 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:32:58,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:32:58,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:32:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:32:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:32:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:32:58,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-10-27 00:32:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:58,882 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:32:58,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:32:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:32:58,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:32:58,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:32:59,484 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 9 [2018-10-27 00:32:59,679 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 4 [2018-10-27 00:33:00,083 WARN L179 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-27 00:33:00,491 WARN L179 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-27 00:33:00,645 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 00:33:01,175 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 10 [2018-10-27 00:33:01,526 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 00:33:01,918 WARN L179 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-27 00:33:02,074 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 135 142) the Hoare annotation is: true [2018-10-27 00:33:02,074 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 135 142) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 135 142) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L421 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:33:02,075 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L421 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:33:02,075 INFO L425 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 85 109) no Hoare annotation was computed. [2018-10-27 00:33:02,075 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 85 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:33:02,076 INFO L421 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:33:02,076 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-10-27 00:33:02,076 INFO L421 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-27 00:33:02,076 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 762 768) the Hoare annotation is: true [2018-10-27 00:33:02,076 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 762 768) no Hoare annotation was computed. [2018-10-27 00:33:02,076 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 769 777) no Hoare annotation was computed. [2018-10-27 00:33:02,076 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 769 777) the Hoare annotation is: true [2018-10-27 00:33:02,076 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 769 777) no Hoare annotation was computed. [2018-10-27 00:33:02,076 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 218 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,077 INFO L421 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 218 283) no Hoare annotation was computed. [2018-10-27 00:33:02,077 INFO L421 ceAbstractionStarter]: At program point L273(lines 228 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,077 INFO L421 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2018-10-27 00:33:02,077 INFO L425 ceAbstractionStarter]: For program point L230(lines 230 234) no Hoare annotation was computed. [2018-10-27 00:33:02,078 INFO L425 ceAbstractionStarter]: For program point L228-1(lines 228 275) no Hoare annotation was computed. [2018-10-27 00:33:02,078 INFO L421 ceAbstractionStarter]: At program point L276(lines 227 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,078 INFO L421 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,082 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2018-10-27 00:33:02,082 INFO L421 ceAbstractionStarter]: At program point L264-1(lines 258 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,082 INFO L425 ceAbstractionStarter]: For program point L229(lines 228 275) no Hoare annotation was computed. [2018-10-27 00:33:02,082 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 218 283) no Hoare annotation was computed. [2018-10-27 00:33:02,083 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 271) no Hoare annotation was computed. [2018-10-27 00:33:02,083 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,083 INFO L421 ceAbstractionStarter]: At program point L897-1(line 897) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,083 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 891 913) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,083 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 891 913) no Hoare annotation was computed. [2018-10-27 00:33:02,083 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 891 913) no Hoare annotation was computed. [2018-10-27 00:33:02,083 INFO L421 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,083 INFO L421 ceAbstractionStarter]: At program point L903-1(line 903) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,083 INFO L425 ceAbstractionStarter]: For program point L901(lines 901 908) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point L901-1(lines 901 908) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L421 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 77 83) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 77 83) the Hoare annotation is: true [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 199 213) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-10-27 00:33:02,084 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 199 213) 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)))) [2018-10-27 00:33:02,084 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 199 213) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 154 162) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 154 162) the Hoare annotation is: true [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 154 162) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 807) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L800(lines 800 810) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L421 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 813) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L796-1(lines 788 816) no Hoare annotation was computed. [2018-10-27 00:33:02,085 INFO L428 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-10-27 00:33:02,085 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-10-27 00:33:02,086 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 788 816) the Hoare annotation is: true [2018-10-27 00:33:02,086 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 788 816) no Hoare annotation was computed. [2018-10-27 00:33:02,086 INFO L421 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-27 00:33:02,086 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 780 787) the Hoare annotation is: true [2018-10-27 00:33:02,087 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 780 787) no Hoare annotation was computed. [2018-10-27 00:33:02,087 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 780 787) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-27 00:33:02,088 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 312 323) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-10-27 00:33:02,088 INFO L425 ceAbstractionStarter]: For program point L316-1(lines 312 323) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 312 323) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L421 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:33:02,088 INFO L421 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-27 00:33:02,088 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-10-27 00:33:02,088 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-27 00:33:02,089 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 324 332) the Hoare annotation is: true [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 324 332) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 324 332) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-10-27 00:33:02,089 INFO L428 ceAbstractionStarter]: At program point L833-1(lines 833 837) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point L829-1(lines 829 843) no Hoare annotation was computed. [2018-10-27 00:33:02,090 INFO L428 ceAbstractionStarter]: At program point L829-3(lines 829 843) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L428 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point L825-1(line 825) no Hoare annotation was computed. [2018-10-27 00:33:02,090 INFO L428 ceAbstractionStarter]: At program point L844(lines 819 848) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-10-27 00:33:02,090 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 288 299) the Hoare annotation is: true [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 288 299) no Hoare annotation was computed. [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 288 299) no Hoare annotation was computed. [2018-10-27 00:33:02,090 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 755 761) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 755 761) the Hoare annotation is: true [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-10-27 00:33:02,091 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point L304-1(lines 300 311) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 300 311) no Hoare annotation was computed. [2018-10-27 00:33:02,091 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 300 311) the Hoare annotation is: true [2018-10-27 00:33:02,091 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 366 373) no Hoare annotation was computed. [2018-10-27 00:33:02,092 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-10-27 00:33:02,092 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 366 373) the Hoare annotation is: true [2018-10-27 00:33:02,092 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 366 373) no Hoare annotation was computed. [2018-10-27 00:33:02,092 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 880 890) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,092 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 880 890) no Hoare annotation was computed. [2018-10-27 00:33:02,092 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 880 890) no Hoare annotation was computed. [2018-10-27 00:33:02,092 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-27 00:33:02,093 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 143 153) the Hoare annotation is: true [2018-10-27 00:33:02,093 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 143 153) no Hoare annotation was computed. [2018-10-27 00:33:02,093 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 143 153) no Hoare annotation was computed. [2018-10-27 00:33:02,093 INFO L428 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: true [2018-10-27 00:33:02,093 INFO L425 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-10-27 00:33:02,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:33:02 BoogieIcfgContainer [2018-10-27 00:33:02,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:33:02,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:33:02,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:33:02,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:33:02,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:54" (3/4) ... [2018-10-27 00:33:02,117 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:33:02,126 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-10-27 00:33:02,127 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-27 00:33:02,128 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-27 00:33:02,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-27 00:33:02,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:33:02,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-27 00:33:02,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-27 00:33:02,129 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-27 00:33:02,151 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-27 00:33:02,151 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-27 00:33:02,152 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-27 00:33:02,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:33:02,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-10-27 00:33:02,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e11656b0-7569-46ef-ab75-1b5d90c75c65/bin-2019/utaipan/witness.graphml [2018-10-27 00:33:02,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:33:02,249 INFO L168 Benchmark]: Toolchain (without parser) took 9598.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,249 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:33:02,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.93 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 935.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,252 INFO L168 Benchmark]: Boogie Preprocessor took 60.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,252 INFO L168 Benchmark]: RCFGBuilder took 1371.67 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,253 INFO L168 Benchmark]: TraceAbstraction took 7380.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.0 MB). Peak memory consumption was 241.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,253 INFO L168 Benchmark]: Witness Printer took 135.68 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:33:02,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.93 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 935.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 147.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1371.67 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7380.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.0 MB). Peak memory consumption was 241.5 MB. Max. memory is 11.5 GB. * Witness Printer took 135.68 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: 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: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 125 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 607 SDtfs, 257 SDslu, 715 SDs, 0 SdLazy, 239 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred 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, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 319 PreInvPairs, 350 NumberOfFragments, 479 HoareAnnotationTreeSize, 319 FomulaSimplifications, 252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1121 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 31236 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...