./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/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 e10040ad9d006089566ac73bab5ec598c71c2723 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:01:13,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:01:13,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:01:13,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:01:13,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:01:13,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:01:13,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:01:13,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:01:13,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:01:13,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:01:13,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:01:13,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:01:13,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:01:13,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:01:13,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:01:13,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:01:13,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:01:13,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:01:13,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:01:13,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:01:13,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:01:13,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:01:13,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:01:13,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:01:13,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:01:13,047 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:01:13,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:01:13,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:01:13,049 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:01:13,050 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:01:13,050 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:01:13,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:01:13,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:01:13,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:01:13,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:01:13,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:01:13,052 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:01:13,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:01:13,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:01:13,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:01:13,063 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:01:13,064 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:01:13,064 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:01:13,065 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:01:13,065 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:01:13,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:01:13,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:01:13,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:01:13,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:01:13,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:01:13,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:01:13,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:01:13,069 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:01:13,069 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_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-11-18 15:01:13,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:01:13,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:01:13,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:01:13,105 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:01:13,105 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:01:13,106 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:01:13,152 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/data/d9699eacd/e86d511dd0494d5db741a069cea8a041/FLAG6c9fd8fd9 [2018-11-18 15:01:13,600 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:01:13,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:01:13,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/data/d9699eacd/e86d511dd0494d5db741a069cea8a041/FLAG6c9fd8fd9 [2018-11-18 15:01:13,617 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/data/d9699eacd/e86d511dd0494d5db741a069cea8a041 [2018-11-18 15:01:13,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:01:13,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:01:13,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:01:13,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:01:13,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:01:13,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:13,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13, skipping insertion in model container [2018-11-18 15:01:13,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:13,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:01:13,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:01:13,865 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:01:13,873 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:01:13,973 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:01:13,991 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:01:13,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13 WrapperNode [2018-11-18 15:01:13,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:01:13,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:01:13,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:01:13,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:01:13,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:01:14,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:01:14,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:01:14,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:01:14,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... [2018-11-18 15:01:14,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:01:14,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:01:14,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:01:14,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:01:14,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:01:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:01:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:01:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:01:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:01:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:01:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:01:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:01:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:01:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:01:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:01:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:01:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:01:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:01:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:01:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:01:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:01:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:01:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:01:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:01:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:01:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:01:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:01:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:01:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:01:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:01:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:01:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:01:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:01:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:01:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:01:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:01:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:01:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:01:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:01:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:01:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:01:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:01:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:01:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:01:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:01:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:01:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:01:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:01:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:01:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:01:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:01:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:01:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:01:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:01:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:01:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:01:14,476 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:01:14,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:01:14 BoogieIcfgContainer [2018-11-18 15:01:14,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:01:14,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:01:14,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:01:14,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:01:14,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:01:13" (1/3) ... [2018-11-18 15:01:14,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cfe7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:01:14, skipping insertion in model container [2018-11-18 15:01:14,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:01:13" (2/3) ... [2018-11-18 15:01:14,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cfe7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:01:14, skipping insertion in model container [2018-11-18 15:01:14,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:01:14" (3/3) ... [2018-11-18 15:01:14,483 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-11-18 15:01:14,490 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:01:14,497 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:01:14,509 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:01:14,535 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:01:14,535 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:01:14,535 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:01:14,535 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:01:14,536 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:01:14,536 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:01:14,536 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:01:14,536 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:01:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-18 15:01:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:01:14,559 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:14,560 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:01:14,562 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:14,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:14,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1441163367, now seen corresponding path program 1 times [2018-11-18 15:01:14,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:14,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:14,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:01:14,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:01:14,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:01:14,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:01:14,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:01:14,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:01:14,786 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-18 15:01:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:14,812 INFO L93 Difference]: Finished difference Result 226 states and 279 transitions. [2018-11-18 15:01:14,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:01:14,813 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:01:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:14,821 INFO L225 Difference]: With dead ends: 226 [2018-11-18 15:01:14,821 INFO L226 Difference]: Without dead ends: 115 [2018-11-18 15:01:14,823 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:01:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-18 15:01:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-18 15:01:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-18 15:01:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-11-18 15:01:14,853 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 51 [2018-11-18 15:01:14,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:14,853 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-11-18 15:01:14,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:01:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-11-18 15:01:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:01:14,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:14,855 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:01:14,855 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:14,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:14,855 INFO L82 PathProgramCache]: Analyzing trace with hash -345533408, now seen corresponding path program 1 times [2018-11-18 15:01:14,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:14,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:14,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:14,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:01:14,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:01:14,945 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:01:14,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:01:14,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:01:14,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:01:14,947 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 3 states. [2018-11-18 15:01:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:14,962 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-11-18 15:01:14,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:01:14,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:01:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:14,965 INFO L225 Difference]: With dead ends: 169 [2018-11-18 15:01:14,965 INFO L226 Difference]: Without dead ends: 105 [2018-11-18 15:01:14,966 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:01:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-18 15:01:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-18 15:01:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 15:01:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2018-11-18 15:01:14,975 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2018-11-18 15:01:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:14,975 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2018-11-18 15:01:14,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:01:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2018-11-18 15:01:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:01:14,977 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:14,977 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:01:14,977 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:14,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:14,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1084769048, now seen corresponding path program 1 times [2018-11-18 15:01:14,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:14,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:14,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:14,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:15,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:01:15,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:01:15,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:01:15,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:01:15,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:01:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:01:15,112 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2018-11-18 15:01:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:15,406 INFO L93 Difference]: Finished difference Result 182 states and 213 transitions. [2018-11-18 15:01:15,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:01:15,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 15:01:15,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:15,408 INFO L225 Difference]: With dead ends: 182 [2018-11-18 15:01:15,409 INFO L226 Difference]: Without dead ends: 105 [2018-11-18 15:01:15,409 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:01:15,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-18 15:01:15,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-18 15:01:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 15:01:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2018-11-18 15:01:15,419 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2018-11-18 15:01:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:15,420 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2018-11-18 15:01:15,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:01:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2018-11-18 15:01:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 15:01:15,422 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:15,422 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] [2018-11-18 15:01:15,422 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:15,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:15,422 INFO L82 PathProgramCache]: Analyzing trace with hash -246959301, now seen corresponding path program 1 times [2018-11-18 15:01:15,423 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:15,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:15,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:15,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:15,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:15,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:01:15,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:01:15,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:01:15,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:01:15,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:01:15,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:01:15,518 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2018-11-18 15:01:15,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:15,644 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2018-11-18 15:01:15,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:01:15,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-18 15:01:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:15,647 INFO L225 Difference]: With dead ends: 251 [2018-11-18 15:01:15,647 INFO L226 Difference]: Without dead ends: 174 [2018-11-18 15:01:15,648 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:01:15,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-11-18 15:01:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2018-11-18 15:01:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-18 15:01:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 198 transitions. [2018-11-18 15:01:15,669 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 198 transitions. Word has length 66 [2018-11-18 15:01:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:15,669 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 198 transitions. [2018-11-18 15:01:15,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:01:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 198 transitions. [2018-11-18 15:01:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 15:01:15,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:15,671 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, 1, 1, 1] [2018-11-18 15:01:15,672 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:15,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:15,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1946274015, now seen corresponding path program 1 times [2018-11-18 15:01:15,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:15,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:15,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:15,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:15,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:15,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:01:15,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:01:15,771 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:01:15,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:01:15,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:01:15,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:01:15,773 INFO L87 Difference]: Start difference. First operand 172 states and 198 transitions. Second operand 7 states. [2018-11-18 15:01:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:15,993 INFO L93 Difference]: Finished difference Result 270 states and 319 transitions. [2018-11-18 15:01:15,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:01:15,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-18 15:01:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:15,994 INFO L225 Difference]: With dead ends: 270 [2018-11-18 15:01:15,994 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:01:15,995 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:01:15,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:01:15,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:01:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:01:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:01:15,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-18 15:01:15,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:15,996 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:01:15,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:01:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:01:15,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:01:16,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:01:16,531 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2018-11-18 15:01:16,531 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-18 15:01:16,531 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2018-11-18 15:01:16,532 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2018-11-18 15:01:16,532 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2018-11-18 15:01:16,532 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,532 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2018-11-18 15:01:16,532 INFO L421 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 15:01:16,532 INFO L421 ceAbstractionStarter]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 15:01:16,532 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 375) no Hoare annotation was computed. [2018-11-18 15:01:16,532 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2018-11-18 15:01:16,532 INFO L425 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L421 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,533 INFO L421 ceAbstractionStarter]: At program point L364-1(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 196) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L428 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L425 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-18 15:01:16,533 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2018-11-18 15:01:16,534 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,534 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2018-11-18 15:01:16,534 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L421 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,535 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,535 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-11-18 15:01:16,535 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-11-18 15:01:16,536 INFO L425 ceAbstractionStarter]: For program point L225(lines 224 271) no Hoare annotation was computed. [2018-11-18 15:01:16,536 INFO L421 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:01:16,536 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,536 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 267) no Hoare annotation was computed. [2018-11-18 15:01:16,536 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2018-11-18 15:01:16,536 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:01:16,536 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2018-11-18 15:01:16,536 INFO L425 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2018-11-18 15:01:16,536 INFO L421 ceAbstractionStarter]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:01:16,539 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point L224-1(lines 224 271) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L421 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L421 ceAbstractionStarter]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2018-11-18 15:01:16,539 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L421 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L891(lines 891 908) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L428 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: true [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: true [2018-11-18 15:01:16,540 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2018-11-18 15:01:16,540 INFO L421 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,541 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: true [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2018-11-18 15:01:16,541 INFO L428 ceAbstractionStarter]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2018-11-18 15:01:16,541 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 292 306) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L428 ceAbstractionStarter]: At program point L292-3(lines 292 306) the Hoare annotation is: true [2018-11-18 15:01:16,542 INFO L428 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2018-11-18 15:01:16,542 INFO L428 ceAbstractionStarter]: At program point L307(lines 282 311) the Hoare annotation is: true [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2018-11-18 15:01:16,542 INFO L421 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,542 INFO L421 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,542 INFO L425 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 15:01:16,543 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:01:16,543 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 15:01:16,543 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:01:16,543 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2018-11-18 15:01:16,544 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2018-11-18 15:01:16,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:01:16 BoogieIcfgContainer [2018-11-18 15:01:16,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:01:16,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:01:16,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:01:16,560 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:01:16,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:01:14" (3/4) ... [2018-11-18 15:01:16,563 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:01:16,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:01:16,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:01:16,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:01:16,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:01:16,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:01:16,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:01:16,575 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 15:01:16,575 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:01:16,575 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:01:16,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-18 15:01:16,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:01:16,625 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6998f33b-cdcc-41c9-bf1f-0f2bcb39840b/bin-2019/utaipan/witness.graphml [2018-11-18 15:01:16,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:01:16,626 INFO L168 Benchmark]: Toolchain (without parser) took 3006.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,626 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:01:16,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:01:16,627 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,627 INFO L168 Benchmark]: RCFGBuilder took 436.53 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,627 INFO L168 Benchmark]: TraceAbstraction took 2081.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -90.7 MB). Peak memory consumption was 269.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,628 INFO L168 Benchmark]: Witness Printer took 65.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:01:16,629 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 436.53 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2081.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -90.7 MB). Peak memory consumption was 269.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 274 SDslu, 897 SDs, 0 SdLazy, 335 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred 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, 53 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 523 HoareAnnotationTreeSize, 233 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 32705 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...