./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/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 f5d9ac754231ae2d56ad4837ed9503039449ffeb .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:55:08,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:55:08,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:55:08,983 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:55:08,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:55:08,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:55:08,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:55:08,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:55:08,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:55:09,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:55:09,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:55:09,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:55:09,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:55:09,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:55:09,004 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:55:09,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:55:09,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:55:09,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:55:09,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:55:09,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:55:09,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:55:09,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:55:09,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:55:09,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:55:09,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:55:09,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:55:09,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:55:09,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:55:09,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:55:09,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:55:09,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:55:09,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:55:09,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:55:09,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:55:09,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:55:09,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:55:09,032 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:55:09,050 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:55:09,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:55:09,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:55:09,052 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:55:09,052 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:55:09,053 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:55:09,053 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:55:09,053 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:55:09,053 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:55:09,053 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:55:09,053 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:55:09,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:55:09,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:55:09,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:55:09,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:55:09,055 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:55:09,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:55:09,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:55:09,059 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:55:09,059 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:55:09,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:55:09,060 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:55:09,060 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:55:09,060 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:55:09,060 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:55:09,060 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:55:09,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:55:09,061 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:55:09,061 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_3631f75a-1086-4f13-8a18-ab71d86d1608/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 -> f5d9ac754231ae2d56ad4837ed9503039449ffeb [2018-10-26 23:55:09,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:55:09,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:55:09,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:55:09,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:55:09,109 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:55:09,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-26 23:55:09,154 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/data/8df79591d/58824eb863ec482aab0dbccefe14759c/FLAG56f2b8b4e [2018-10-26 23:55:09,520 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:55:09,521 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-26 23:55:09,527 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/data/8df79591d/58824eb863ec482aab0dbccefe14759c/FLAG56f2b8b4e [2018-10-26 23:55:09,537 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/data/8df79591d/58824eb863ec482aab0dbccefe14759c [2018-10-26 23:55:09,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:55:09,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:55:09,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:55:09,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:55:09,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:55:09,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e089980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09, skipping insertion in model container [2018-10-26 23:55:09,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:55:09,575 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:55:09,696 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:55:09,700 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:55:09,720 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:55:09,731 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:55:09,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09 WrapperNode [2018-10-26 23:55:09,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:55:09,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:55:09,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:55:09,732 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:55:09,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:55:09,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:55:09,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:55:09,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:55:09,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... [2018-10-26 23:55:09,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:55:09,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:55:09,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:55:09,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:55:09,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:55:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:55:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:55:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:55:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:55:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:55:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:55:10,286 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:55:10,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:55:10 BoogieIcfgContainer [2018-10-26 23:55:10,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:55:10,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:55:10,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:55:10,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:55:10,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:55:09" (1/3) ... [2018-10-26 23:55:10,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c03ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:55:10, skipping insertion in model container [2018-10-26 23:55:10,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:55:09" (2/3) ... [2018-10-26 23:55:10,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c03ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:55:10, skipping insertion in model container [2018-10-26 23:55:10,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:55:10" (3/3) ... [2018-10-26 23:55:10,294 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-26 23:55:10,302 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:55:10,308 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:55:10,319 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:55:10,346 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:55:10,346 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:55:10,347 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:55:10,347 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:55:10,347 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:55:10,347 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:55:10,347 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:55:10,347 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:55:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-10-26 23:55:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:55:10,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:55:10,369 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:55:10,370 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:55:10,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:55:10,376 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-10-26 23:55:10,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:55:10,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:55:10,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:55:10,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:55:10,426 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:55:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:55:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:55:10,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:55:10,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:55:10,703 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:55:10,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:55:10,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:55:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:55:10,722 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-10-26 23:55:19,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:55:19,174 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2018-10-26 23:55:19,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:55:19,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-10-26 23:55:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:55:19,182 INFO L225 Difference]: With dead ends: 62 [2018-10-26 23:55:19,182 INFO L226 Difference]: Without dead ends: 30 [2018-10-26 23:55:19,184 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:55:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-26 23:55:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-10-26 23:55:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-10-26 23:55:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2018-10-26 23:55:19,212 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 15 [2018-10-26 23:55:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:55:19,212 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2018-10-26 23:55:19,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:55:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-10-26 23:55:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:55:19,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:55:19,213 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:55:19,216 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:55:19,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:55:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash -386324053, now seen corresponding path program 1 times [2018-10-26 23:55:19,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:55:19,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:55:19,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:55:19,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:55:19,218 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:55:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:55:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:55:21,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:55:21,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:55:21,508 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:55:21,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:55:21,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:55:21,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=6, Unknown=1, NotChecked=0, Total=12 [2018-10-26 23:55:21,510 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 4 states. [2018-10-26 23:55:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:55:26,370 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2018-10-26 23:55:26,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:55:26,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-10-26 23:55:26,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:55:26,371 INFO L225 Difference]: With dead ends: 50 [2018-10-26 23:55:26,371 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:55:26,372 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-10-26 23:55:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:55:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:55:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:55:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:55:26,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-10-26 23:55:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:55:26,373 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:55:26,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:55:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:55:26,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:55:26,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:55:26,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:55:26,418 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:55:26,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:55:26,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:55:26,418 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 23:55:26,418 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:55:26,418 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-10-26 23:55:26,419 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-10-26 23:55:26,420 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-10-26 23:55:26,420 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-10-26 23:55:26,420 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-10-26 23:55:26,420 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-10-26 23:55:26,420 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-10-26 23:55:26,420 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-10-26 23:55:26,420 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-10-26 23:55:26,420 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-10-26 23:55:26,421 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295))) [2018-10-26 23:55:26,421 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-10-26 23:55:26,421 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-10-26 23:55:26,421 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-10-26 23:55:26,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:55:26 BoogieIcfgContainer [2018-10-26 23:55:26,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:55:26,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:55:26,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:55:26,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:55:26,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:55:10" (3/4) ... [2018-10-26 23:55:26,436 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:55:26,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:55:26,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:55:26,446 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 23:55:26,446 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:55:26,497 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3631f75a-1086-4f13-8a18-ab71d86d1608/bin-2019/utaipan/witness.graphml [2018-10-26 23:55:26,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:55:26,498 INFO L168 Benchmark]: Toolchain (without parser) took 16957.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,499 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:55:26,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,500 INFO L168 Benchmark]: Boogie Preprocessor took 19.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:55:26,501 INFO L168 Benchmark]: RCFGBuilder took 510.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,502 INFO L168 Benchmark]: TraceAbstraction took 16143.87 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,502 INFO L168 Benchmark]: Witness Printer took 66.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:55:26,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16143.87 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * Witness Printer took 66.00 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: 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: 95]: 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: 34]: Loop Invariant Derived loop invariant: 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 16.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 13 SDslu, 91 SDs, 0 SdLazy, 46 SolverSat, 4 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 52 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...