./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --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_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/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 bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 ............................................................................................................................................................................................................................................................................................................................ 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 02:58:51,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:58:51,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:58:51,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:58:51,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:58:51,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:58:51,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:58:51,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:58:51,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:58:51,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:58:51,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:58:51,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:58:51,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:58:51,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:58:51,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:58:51,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:58:51,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:58:51,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:58:51,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:58:51,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:58:51,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:58:51,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:58:51,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:58:51,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:58:51,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:58:51,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:58:51,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:58:51,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:58:51,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:58:51,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:58:51,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:58:51,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:58:51,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:58:51,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:58:51,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:58:51,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:58:51,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:58:51,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:58:51,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:58:51,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:58:51,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:58:51,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:58:51,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:58:51,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:58:51,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:58:51,227 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:58:51,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:58:51,228 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:58:51,228 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:58:51,228 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:58:51,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:58:51,229 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:58:51,229 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:58:51,229 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:58:51,229 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:58:51,230 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:58:51,230 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:58:51,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:58:51,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:58:51,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:58:51,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:58:51,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:58:51,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:58:51,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:58:51,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:58:51,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:58:51,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:58:51,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:58:51,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:58:51,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:58:51,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:58:51,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:58:51,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:58:51,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:58:51,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:58:51,235 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:58:51,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:58:51,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:58:51,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:58:51,235 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_a3523c9f-3cd6-43db-89cd-44a225cd329f/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 -> bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 [2019-11-26 02:58:51,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:58:51,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:58:51,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:58:51,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:58:51,443 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:58:51,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/../../sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-26 02:58:51,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/data/fe768a86e/dbd1cf271f984c47a276c530c0786ab0/FLAGa15c59f8a [2019-11-26 02:58:51,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:58:51,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-26 02:58:51,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/data/fe768a86e/dbd1cf271f984c47a276c530c0786ab0/FLAGa15c59f8a [2019-11-26 02:58:52,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/data/fe768a86e/dbd1cf271f984c47a276c530c0786ab0 [2019-11-26 02:58:52,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:58:52,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:58:52,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:52,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:58:52,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:58:52,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c72a30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52, skipping insertion in model container [2019-11-26 02:58:52,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:58:52,401 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:58:52,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:52,596 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:58:52,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:52,709 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:58:52,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52 WrapperNode [2019-11-26 02:58:52,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:52,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:52,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:58:52,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:58:52,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:52,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:58:52,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:58:52,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:58:52,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... [2019-11-26 02:58:52,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:58:52,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:58:52,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:58:52,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:58:52,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/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 02:58:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:58:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:58:53,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:58:53,038 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:58:53,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:53 BoogieIcfgContainer [2019-11-26 02:58:53,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:58:53,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:58:53,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:58:53,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:58:53,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:58:52" (1/3) ... [2019-11-26 02:58:53,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12866026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:53, skipping insertion in model container [2019-11-26 02:58:53,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:52" (2/3) ... [2019-11-26 02:58:53,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12866026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:53, skipping insertion in model container [2019-11-26 02:58:53,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:53" (3/3) ... [2019-11-26 02:58:53,054 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_2-1.c [2019-11-26 02:58:53,067 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:58:53,073 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:58:53,084 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:58:53,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:58:53,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:58:53,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:58:53,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:58:53,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:58:53,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:58:53,107 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:58:53,107 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:58:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 02:58:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:58:53,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:53,144 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:58:53,144 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:53,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:53,167 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-26 02:58:53,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:53,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249193460] [2019-11-26 02:58:53,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:53,353 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 02:58:53,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249193460] [2019-11-26 02:58:53,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:58:53,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:58:53,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123797256] [2019-11-26 02:58:53,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:58:53,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:53,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:58:53,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:58:53,374 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-11-26 02:58:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:53,409 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2019-11-26 02:58:53,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:58:53,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 02:58:53,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:53,426 INFO L225 Difference]: With dead ends: 12 [2019-11-26 02:58:53,426 INFO L226 Difference]: Without dead ends: 7 [2019-11-26 02:58:53,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:58:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-26 02:58:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-26 02:58:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-26 02:58:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 02:58:53,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-11-26 02:58:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:53,464 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-26 02:58:53,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:58:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 02:58:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:58:53,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:53,465 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-11-26 02:58:53,465 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:53,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:53,466 INFO L82 PathProgramCache]: Analyzing trace with hash 925914308, now seen corresponding path program 1 times [2019-11-26 02:58:53,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:53,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542507341] [2019-11-26 02:58:53,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:53,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542507341] [2019-11-26 02:58:53,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914342318] [2019-11-26 02:58:53,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/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 02:58:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:53,624 WARN L253 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-26 02:58:53,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:58:53,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:58:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:53,778 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:58:55,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:59:14,195 WARN L192 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 22 [2019-11-26 02:59:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:14,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1313703517] [2019-11-26 02:59:14,221 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-26 02:59:14,221 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:59:14,227 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:59:14,234 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:59:14,234 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:59:14,325 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:59:16,428 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:59:16,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:59:16,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2019-11-26 02:59:16,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259799519] [2019-11-26 02:59:16,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-26 02:59:16,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:59:16,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-26 02:59:16,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=120, Unknown=10, NotChecked=0, Total=182 [2019-11-26 02:59:16,431 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 12 states. [2019-11-26 02:59:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:59:16,452 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-11-26 02:59:16,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:59:16,453 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 6 [2019-11-26 02:59:16,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:59:16,453 INFO L225 Difference]: With dead ends: 7 [2019-11-26 02:59:16,453 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:59:16,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 22.6s TimeCoverageRelationStatistics Valid=52, Invalid=120, Unknown=10, NotChecked=0, Total=182 [2019-11-26 02:59:16,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:59:16,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:59:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:59:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:59:16,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-26 02:59:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:59:16,455 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:59:16,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-26 02:59:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:59:16,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:59:16,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:59:16,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:59:16,715 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:59:16,715 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-26 02:59:16,715 INFO L440 ceAbstractionStarter]: At program point L5-2(lines 4 24) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~y~0 1)) (and (= 0 (mod (+ ULTIMATE.start_main_~x~0 1) (- 2))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= 0 (mod (+ ULTIMATE.start_main_~y~0 1) 2)))) [2019-11-26 02:59:16,715 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:59:16,715 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-26 02:59:16,716 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-26 02:59:16,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:59:16 BoogieIcfgContainer [2019-11-26 02:59:16,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:59:16,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:16,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:16,729 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:16,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:53" (3/4) ... [2019-11-26 02:59:16,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:59:16,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:59:16,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:59:16,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:59:16,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a3523c9f-3cd6-43db-89cd-44a225cd329f/bin/utaipan/witness.graphml [2019-11-26 02:59:16,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:16,775 INFO L168 Benchmark]: Toolchain (without parser) took 24416.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -93.2 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:16,776 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:16,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:16,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.99 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 02:59:16,777 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 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 02:59:16,778 INFO L168 Benchmark]: RCFGBuilder took 269.07 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:16,778 INFO L168 Benchmark]: TraceAbstraction took 23688.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:16,779 INFO L168 Benchmark]: Witness Printer took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:16,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.99 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 22.63 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 269.07 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23688.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 4]: Loop Invariant Derived loop invariant: (x == 1 && y == 1) || ((0 == (x + 1) % -2 && 1 == cond) && 0 == (y + 1) % 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 23.6s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 5 SDs, 0 SdLazy, 14 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 22.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 26 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 3 QuantifiedInterpolants, 848 SizeOfPredicates, 10 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 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...