./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/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 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:21:49,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:21:49,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:21:49,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:21:49,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:21:49,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:21:49,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:21:49,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:21:49,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:21:49,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:21:49,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:21:49,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:21:49,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:21:49,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:21:49,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:21:49,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:21:49,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:21:49,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:21:49,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:21:49,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:21:49,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:21:49,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:21:49,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:21:49,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:21:49,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:21:49,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:21:49,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:21:49,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:21:49,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:21:49,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:21:49,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:21:49,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:21:49,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:21:49,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:21:49,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:21:49,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:21:49,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:21:49,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:21:49,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:21:49,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:21:49,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:21:49,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:21:49,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:21:49,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:21:49,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:21:49,706 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:21:49,706 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:21:49,707 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:21:49,707 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:21:49,707 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:21:49,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:21:49,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:21:49,708 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:21:49,708 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:21:49,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:21:49,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:21:49,708 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:21:49,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:21:49,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:21:49,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:21:49,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:21:49,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:21:49,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:21:49,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:21:49,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:21:49,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:21:49,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:21:49,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:21:49,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:21:49,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:21:49,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:21:49,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:21:49,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:21:49,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:21:49,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:21:49,713 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:21:49,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:21:49,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:21:49,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:21:49,714 INFO L138 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/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/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 -> 225f0ddf9f4fc2bb07a34316827f4c052bf2e72a [2019-11-26 02:21:49,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:21:49,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:21:49,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:21:49,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:21:49,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:21:49,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/../../sv-benchmarks/c/loop-lit/gsv2008.i [2019-11-26 02:21:49,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/data/ba994ad0a/5ce32546a8934ae8bc2fad13fa494913/FLAG5d2666cc9 [2019-11-26 02:21:50,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:21:50,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/sv-benchmarks/c/loop-lit/gsv2008.i [2019-11-26 02:21:50,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/data/ba994ad0a/5ce32546a8934ae8bc2fad13fa494913/FLAG5d2666cc9 [2019-11-26 02:21:50,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/data/ba994ad0a/5ce32546a8934ae8bc2fad13fa494913 [2019-11-26 02:21:50,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:21:50,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:21:50,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:21:50,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:21:50,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:21:50,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:21:50" (1/1) ... [2019-11-26 02:21:50,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162cf989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:50, skipping insertion in model container [2019-11-26 02:21:50,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:21:50" (1/1) ... [2019-11-26 02:21:50,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:21:50,800 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:21:50,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:21:50,997 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:21:51,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:21:51,084 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:21:51,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51 WrapperNode [2019-11-26 02:21:51,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:21:51,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:21:51,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:21:51,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:21:51,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:21:51,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:21:51,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:21:51,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:21:51,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... [2019-11-26 02:21:51,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:21:51,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:21:51,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:21:51,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:21:51,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/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 [2019-11-26 02:21:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:21:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:21:51,363 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:21:51,364 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:21:51,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:51 BoogieIcfgContainer [2019-11-26 02:21:51,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:21:51,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:21:51,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:21:51,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:21:51,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:21:50" (1/3) ... [2019-11-26 02:21:51,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698097be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:21:51, skipping insertion in model container [2019-11-26 02:21:51,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:51" (2/3) ... [2019-11-26 02:21:51,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698097be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:21:51, skipping insertion in model container [2019-11-26 02:21:51,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:51" (3/3) ... [2019-11-26 02:21:51,382 INFO L109 eAbstractionObserver]: Analyzing ICFG gsv2008.i [2019-11-26 02:21:51,390 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:21:51,398 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:21:51,412 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:21:51,431 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:21:51,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:21:51,432 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:21:51,432 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:21:51,432 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:21:51,432 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:21:51,432 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:21:51,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:21:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-26 02:21:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:21:51,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:21:51,461 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:21:51,461 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:21:51,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:21:51,466 INFO L82 PathProgramCache]: Analyzing trace with hash 29766720, now seen corresponding path program 1 times [2019-11-26 02:21:51,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:21:51,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584297225] [2019-11-26 02:21:51,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:21:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:51,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584297225] [2019-11-26 02:21:51,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:21:51,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:21:51,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612730744] [2019-11-26 02:21:51,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:21:51,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:21:51,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:21:51,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:21:51,611 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-11-26 02:21:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:21:51,637 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-26 02:21:51,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:21:51,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-26 02:21:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:21:51,645 INFO L225 Difference]: With dead ends: 18 [2019-11-26 02:21:51,646 INFO L226 Difference]: Without dead ends: 7 [2019-11-26 02:21:51,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:21:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-26 02:21:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-26 02:21:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-26 02:21:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 02:21:51,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-11-26 02:21:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:21:51,673 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-26 02:21:51,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:21:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 02:21:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:21:51,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:21:51,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:21:51,674 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:21:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:21:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash 922156125, now seen corresponding path program 1 times [2019-11-26 02:21:51,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:21:51,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912118302] [2019-11-26 02:21:51,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:21:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:51,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912118302] [2019-11-26 02:21:51,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412198228] [2019-11-26 02:21:51,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:21:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:51,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:21:51,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:21:51,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:21:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:51,820 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:21:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:51,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 02:21:51,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 8 [2019-11-26 02:21:51,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343725839] [2019-11-26 02:21:51,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:21:51,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:21:51,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:21:51,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:21:51,850 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2019-11-26 02:21:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:21:51,876 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-11-26 02:21:51,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:21:51,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-11-26 02:21:51,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:21:51,877 INFO L225 Difference]: With dead ends: 7 [2019-11-26 02:21:51,877 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:21:51,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:21:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:21:51,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:21:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:21:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:21:51,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-26 02:21:51,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:21:51,880 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:21:51,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:21:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:21:51,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:21:52,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:21:52,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:21:52,124 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:21:52,124 INFO L440 ceAbstractionStarter]: At program point L15-2(lines 15 18) the Hoare annotation is: (or (<= (+ ULTIMATE.start_main_~x~0 2) ULTIMATE.start_main_~y~0) (<= (+ ULTIMATE.start_main_~x~0 50) 0)) [2019-11-26 02:21:52,125 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-26 02:21:52,125 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:21:52,125 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-26 02:21:52,125 INFO L447 ceAbstractionStarter]: At program point L20(lines 10 21) the Hoare annotation is: true [2019-11-26 02:21:52,125 INFO L444 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-11-26 02:21:52,125 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-26 02:21:52,125 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-26 02:21:52,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:21:52 BoogieIcfgContainer [2019-11-26 02:21:52,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:21:52,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:21:52,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:21:52,137 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:21:52,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:51" (3/4) ... [2019-11-26 02:21:52,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:21:52,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:21:52,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:21:52,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6a250a13-c908-47cb-9f05-a61a69b530f7/bin/utaipan/witness.graphml [2019-11-26 02:21:52,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:21:52,194 INFO L168 Benchmark]: Toolchain (without parser) took 1433.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:52,194 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:21:52,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:52,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 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. [2019-11-26 02:21:52,196 INFO L168 Benchmark]: Boogie Preprocessor took 19.96 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. [2019-11-26 02:21:52,196 INFO L168 Benchmark]: RCFGBuilder took 231.18 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:52,197 INFO L168 Benchmark]: TraceAbstraction took 770.96 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:52,197 INFO L168 Benchmark]: Witness Printer took 54.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:52,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.62 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 19.96 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. * RCFGBuilder took 231.18 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 770.96 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Witness Printer took 54.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: x + 2 <= y || x + 50 <= 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 5 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 13 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 6 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...