./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/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 91808fa59972e91d32c73c53b248d30b06ddb4c6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:41:32,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:41:32,082 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:41:32,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:41:32,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:41:32,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:41:32,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:41:32,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:41:32,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:41:32,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:41:32,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:41:32,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:41:32,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:41:32,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:41:32,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:41:32,094 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:41:32,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:41:32,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:41:32,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:41:32,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:41:32,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:41:32,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:41:32,099 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:41:32,100 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:41:32,100 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:41:32,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:41:32,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:41:32,101 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:41:32,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:41:32,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:41:32,102 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:41:32,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:41:32,102 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:41:32,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:41:32,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:41:32,104 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:41:32,104 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:41:32,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:41:32,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:41:32,112 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:41:32,112 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:41:32,112 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:41:32,113 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:41:32,113 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:41:32,113 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:41:32,113 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:41:32,113 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:41:32,113 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:41:32,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:41:32,115 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:41:32,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:41:32,115 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:41:32,116 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:41:32,116 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:41:32,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:41:32,116 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:41:32,116 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_317d3567-240a-4092-8283-9bbfde415902/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 -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2018-12-09 19:41:32,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:41:32,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:41:32,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:41:32,147 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:41:32,148 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:41:32,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c [2018-12-09 19:41:32,192 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/data/ee9382ddb/268a5b19fb31429ba5ebc483a8e9288d/FLAG3a2f1df16 [2018-12-09 19:41:32,635 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:41:32,635 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c [2018-12-09 19:41:32,641 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/data/ee9382ddb/268a5b19fb31429ba5ebc483a8e9288d/FLAG3a2f1df16 [2018-12-09 19:41:32,649 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/data/ee9382ddb/268a5b19fb31429ba5ebc483a8e9288d [2018-12-09 19:41:32,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:41:32,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:41:32,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:32,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:41:32,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:41:32,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32, skipping insertion in model container [2018-12-09 19:41:32,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:41:32,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:41:32,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:32,836 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:41:32,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:41:32,931 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:41:32,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32 WrapperNode [2018-12-09 19:41:32,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:41:32,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:32,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:41:32,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:41:32,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:41:32,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:41:32,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:41:32,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:41:32,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... [2018-12-09 19:41:32,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:41:32,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:41:32,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:41:32,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:41:32,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/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 [2018-12-09 19:41:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:41:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:41:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:41:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:41:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:41:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:41:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:41:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:41:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:41:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:41:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:41:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:41:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:41:33,286 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:41:33,286 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:41:33,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:33 BoogieIcfgContainer [2018-12-09 19:41:33,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:41:33,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:41:33,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:41:33,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:41:33,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:41:32" (1/3) ... [2018-12-09 19:41:33,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c0311e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:33, skipping insertion in model container [2018-12-09 19:41:33,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:41:32" (2/3) ... [2018-12-09 19:41:33,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c0311e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:41:33, skipping insertion in model container [2018-12-09 19:41:33,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:33" (3/3) ... [2018-12-09 19:41:33,291 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29_true-unreach-call_false-termination.cil.c [2018-12-09 19:41:33,297 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:41:33,303 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:41:33,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:41:33,330 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:41:33,330 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:41:33,330 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:41:33,330 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:41:33,330 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:41:33,330 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:41:33,330 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:41:33,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:41:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-12-09 19:41:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:41:33,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:33,346 INFO L402 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] [2018-12-09 19:41:33,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:33,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash 635319967, now seen corresponding path program 1 times [2018-12-09 19:41:33,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:33,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:33,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:41:33,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:33,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:41:33,488 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:33,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:41:33,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:41:33,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:41:33,500 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-12-09 19:41:33,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:33,521 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2018-12-09 19:41:33,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:41:33,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:41:33,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:33,529 INFO L225 Difference]: With dead ends: 238 [2018-12-09 19:41:33,529 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 19:41:33,531 INFO L631 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 [2018-12-09 19:41:33,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 19:41:33,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-09 19:41:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 19:41:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2018-12-09 19:41:33,562 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 46 [2018-12-09 19:41:33,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:33,562 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2018-12-09 19:41:33,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:41:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2018-12-09 19:41:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:41:33,564 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:33,564 INFO L402 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] [2018-12-09 19:41:33,565 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:33,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:33,565 INFO L82 PathProgramCache]: Analyzing trace with hash -2124883201, now seen corresponding path program 1 times [2018-12-09 19:41:33,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:33,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:33,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:41:33,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:33,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:41:33,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:33,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:41:33,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:41:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:41:33,618 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 3 states. [2018-12-09 19:41:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:33,630 INFO L93 Difference]: Finished difference Result 187 states and 221 transitions. [2018-12-09 19:41:33,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:41:33,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:41:33,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:33,631 INFO L225 Difference]: With dead ends: 187 [2018-12-09 19:41:33,631 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 19:41:33,632 INFO L631 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 [2018-12-09 19:41:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 19:41:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 19:41:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 19:41:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-12-09 19:41:33,639 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2018-12-09 19:41:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:33,640 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-12-09 19:41:33,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:41:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-09 19:41:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:41:33,641 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:33,641 INFO L402 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] [2018-12-09 19:41:33,641 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:33,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash 195045364, now seen corresponding path program 1 times [2018-12-09 19:41:33,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:41:33,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:33,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:41:33,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:33,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:41:33,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:41:33,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:41:33,714 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 7 states. [2018-12-09 19:41:33,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:33,867 INFO L93 Difference]: Finished difference Result 196 states and 235 transitions. [2018-12-09 19:41:33,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:41:33,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 19:41:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:33,868 INFO L225 Difference]: With dead ends: 196 [2018-12-09 19:41:33,868 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 19:41:33,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:41:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 19:41:33,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 19:41:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 19:41:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2018-12-09 19:41:33,876 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 51 [2018-12-09 19:41:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:33,876 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2018-12-09 19:41:33,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:41:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2018-12-09 19:41:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:41:33,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:33,878 INFO L402 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] [2018-12-09 19:41:33,878 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:33,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:33,878 INFO L82 PathProgramCache]: Analyzing trace with hash 100428729, now seen corresponding path program 1 times [2018-12-09 19:41:33,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:33,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:33,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:33,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:41:33,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:33,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:41:33,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:33,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:41:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:41:33,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:41:33,947 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 6 states. [2018-12-09 19:41:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:34,058 INFO L93 Difference]: Finished difference Result 275 states and 333 transitions. [2018-12-09 19:41:34,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:41:34,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-12-09 19:41:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:34,061 INFO L225 Difference]: With dead ends: 275 [2018-12-09 19:41:34,062 INFO L226 Difference]: Without dead ends: 189 [2018-12-09 19:41:34,062 INFO L631 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 [2018-12-09 19:41:34,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-12-09 19:41:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2018-12-09 19:41:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-12-09 19:41:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 222 transitions. [2018-12-09 19:41:34,083 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 222 transitions. Word has length 64 [2018-12-09 19:41:34,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:34,083 INFO L480 AbstractCegarLoop]: Abstraction has 187 states and 222 transitions. [2018-12-09 19:41:34,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:41:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 222 transitions. [2018-12-09 19:41:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:41:34,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:41:34,086 INFO L402 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, 1] [2018-12-09 19:41:34,086 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:41:34,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:41:34,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1490186667, now seen corresponding path program 1 times [2018-12-09 19:41:34,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:41:34,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:34,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:41:34,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:41:34,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:41:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:41:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:41:34,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:41:34,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:41:34,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:41:34,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:41:34,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:41:34,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:41:34,166 INFO L87 Difference]: Start difference. First operand 187 states and 222 transitions. Second operand 7 states. [2018-12-09 19:41:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:41:34,317 INFO L93 Difference]: Finished difference Result 285 states and 346 transitions. [2018-12-09 19:41:34,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:41:34,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-12-09 19:41:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:41:34,318 INFO L225 Difference]: With dead ends: 285 [2018-12-09 19:41:34,318 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:41:34,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:41:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:41:34,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:41:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:41:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:41:34,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-09 19:41:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:41:34,320 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:41:34,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:41:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:41:34,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:41:34,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:41:34,802 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 430 436) the Hoare annotation is: true [2018-12-09 19:41:34,802 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 430 436) no Hoare annotation was computed. [2018-12-09 19:41:34,802 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 437 445) no Hoare annotation was computed. [2018-12-09 19:41:34,802 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 437 445) the Hoare annotation is: true [2018-12-09 19:41:34,802 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 437 445) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 388 410) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,803 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 388 410) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,803 INFO L444 ceAbstractionStarter]: At program point L400-1(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,803 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 405) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 398 405) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 388 410) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L448 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2018-12-09 19:41:34,803 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point L394-1(line 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,804 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,804 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-12-09 19:41:34,804 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 85 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,804 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 85 109) no Hoare annotation was computed. [2018-12-09 19:41:34,804 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 180 188) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 180 188) the Hoare annotation is: true [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 180 188) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 225 243) the Hoare annotation is: true [2018-12-09 19:41:34,805 INFO L451 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-12-09 19:41:34,805 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 225 243) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 225 243) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 423 429) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 423 429) the Hoare annotation is: true [2018-12-09 19:41:34,806 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 375 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 375 384) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 375 384) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 169 179) the Hoare annotation is: true [2018-12-09 19:41:34,806 INFO L451 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: true [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 169 179) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 169 179) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 161 168) the Hoare annotation is: true [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 161 168) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 161 168) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-12-09 19:41:34,806 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,806 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,806 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 248 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 248 311) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point L304(lines 257 305) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,807 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2018-12-09 19:41:34,807 INFO L444 ceAbstractionStarter]: At program point L294-2(lines 288 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L259(lines 258 303) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L288(lines 288 299) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 284) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 19:41:34,808 INFO L444 ceAbstractionStarter]: At program point L301(lines 258 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 264) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 248 311) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 920 928) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 920 928) the Hoare annotation is: true [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 920 928) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:41:34,808 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 19:41:34,808 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L451 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: true [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 314 343) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 314 343) the Hoare annotation is: true [2018-12-09 19:41:34,809 INFO L451 ceAbstractionStarter]: At program point L339(lines 314 343) the Hoare annotation is: true [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point L335(line 335) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L451 ceAbstractionStarter]: At program point L328-1(lines 328 332) the Hoare annotation is: true [2018-12-09 19:41:34,809 INFO L448 ceAbstractionStarter]: For program point L325(line 325) no Hoare annotation was computed. [2018-12-09 19:41:34,809 INFO L451 ceAbstractionStarter]: At program point L324-2(lines 324 338) the Hoare annotation is: true [2018-12-09 19:41:34,810 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 879 887) the Hoare annotation is: true [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2018-12-09 19:41:34,810 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,810 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-12-09 19:41:34,810 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-12-09 19:41:34,810 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,810 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: true [2018-12-09 19:41:34,810 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 368 374) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 368 374) the Hoare annotation is: true [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 19:41:34,811 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: true [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 930 937) no Hoare annotation was computed. [2018-12-09 19:41:34,811 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 930 937) the Hoare annotation is: true [2018-12-09 19:41:34,811 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 930 937) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L444 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2018-12-09 19:41:34,812 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2018-12-09 19:41:34,813 INFO L451 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2018-12-09 19:41:34,813 INFO L448 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-12-09 19:41:34,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:41:34 BoogieIcfgContainer [2018-12-09 19:41:34,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:41:34,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:41:34,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:41:34,823 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:41:34,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:41:33" (3/4) ... [2018-12-09 19:41:34,826 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:41:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:41:34,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:41:34,832 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:41:34,832 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:41:34,832 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:41:34,837 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 19:41:34,837 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:41:34,837 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:41:34,837 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:41:34,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:41:34,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:41:34,860 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-12-09 19:41:34,860 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:41:34,881 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_317d3567-240a-4092-8283-9bbfde415902/bin-2019/utaipan/witness.graphml [2018-12-09 19:41:34,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:41:34,881 INFO L168 Benchmark]: Toolchain (without parser) took 2230.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:34,882 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:41:34,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:34,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:41:34,882 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:41:34,883 INFO L168 Benchmark]: RCFGBuilder took 314.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:34,883 INFO L168 Benchmark]: TraceAbstraction took 1535.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -119.2 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:34,883 INFO L168 Benchmark]: Witness Printer took 57.84 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:41:34,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1535.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -119.2 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. * Witness Printer took 57.84 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: 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: 257]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 132 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 611 SDtfs, 292 SDslu, 970 SDs, 0 SdLazy, 340 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 317 PreInvPairs, 330 NumberOfFragments, 481 HoareAnnotationTreeSize, 317 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 815 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 28829 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...