./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:56:02,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:56:02,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:56:02,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:56:02,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:56:02,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:56:02,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:56:02,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:56:02,887 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:56:02,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:56:02,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:56:02,888 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:56:02,889 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:56:02,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:56:02,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:56:02,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:56:02,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:56:02,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:56:02,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:56:02,894 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:56:02,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:56:02,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:56:02,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:56:02,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:56:02,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:56:02,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:56:02,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:56:02,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:56:02,900 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:56:02,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:56:02,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:56:02,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:56:02,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:56:02,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:56:02,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:56:02,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:56:02,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 04:56:02,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:56:02,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:56:02,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:56:02,914 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:56:02,914 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:56:02,914 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:56:02,914 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:56:02,914 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:56:02,914 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:56:02,915 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:56:02,915 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:56:02,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:56:02,915 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:56:02,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:56:02,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:56:02,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:56:02,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:56:02,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:56:02,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:56:02,917 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_99323dd8-74e8-460b-9f13-18ef08dd14fa/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2018-11-10 04:56:02,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:56:02,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:56:02,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:56:02,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:56:02,949 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:56:02,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-11-10 04:56:02,985 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/data/7badc6893/c1c5a9bff6b54bf991defa07f3f6e757/FLAG04869b947 [2018-11-10 04:56:03,395 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:56:03,396 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-11-10 04:56:03,401 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/data/7badc6893/c1c5a9bff6b54bf991defa07f3f6e757/FLAG04869b947 [2018-11-10 04:56:03,411 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/data/7badc6893/c1c5a9bff6b54bf991defa07f3f6e757 [2018-11-10 04:56:03,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:56:03,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:56:03,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:56:03,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:56:03,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:56:03,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac897aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03, skipping insertion in model container [2018-11-10 04:56:03,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:56:03,436 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:56:03,535 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:56:03,538 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:56:03,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:56:03,556 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:56:03,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03 WrapperNode [2018-11-10 04:56:03,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:56:03,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:56:03,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:56:03,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:56:03,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:56:03,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:56:03,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:56:03,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:56:03,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... [2018-11-10 04:56:03,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:56:03,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:56:03,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:56:03,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:56:03,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:56:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:56:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:56:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:56:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:56:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:56:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:56:03,752 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:56:03,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:56:03 BoogieIcfgContainer [2018-11-10 04:56:03,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:56:03,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:56:03,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:56:03,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:56:03,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:56:03" (1/3) ... [2018-11-10 04:56:03,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1863ea38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:56:03, skipping insertion in model container [2018-11-10 04:56:03,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:56:03" (2/3) ... [2018-11-10 04:56:03,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1863ea38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:56:03, skipping insertion in model container [2018-11-10 04:56:03,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:56:03" (3/3) ... [2018-11-10 04:56:03,757 INFO L112 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-11-10 04:56:03,763 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:56:03,768 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 04:56:03,777 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 04:56:03,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:56:03,803 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:56:03,803 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:56:03,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:56:03,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:56:03,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:56:03,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:56:03,804 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:56:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-11-10 04:56:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:56:03,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:03,820 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:03,822 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:03,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1080070420, now seen corresponding path program 1 times [2018-11-10 04:56:03,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:03,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:03,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:03,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:03,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:03,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:03,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:03,932 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:03,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:03,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:03,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:03,946 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-11-10 04:56:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:03,978 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-11-10 04:56:03,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:03,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 04:56:03,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:03,989 INFO L225 Difference]: With dead ends: 31 [2018-11-10 04:56:03,989 INFO L226 Difference]: Without dead ends: 20 [2018-11-10 04:56:03,992 INFO L605 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 [2018-11-10 04:56:04,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-10 04:56:04,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-10 04:56:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 04:56:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-10 04:56:04,015 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 9 [2018-11-10 04:56:04,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,016 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-10 04:56:04,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 04:56:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:56:04,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:04,016 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:04,017 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:04,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:04,017 INFO L82 PathProgramCache]: Analyzing trace with hash -877555297, now seen corresponding path program 1 times [2018-11-10 04:56:04,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:04,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:04,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:04,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:04,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:04,038 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:04,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:04,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:04,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:04,040 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 3 states. [2018-11-10 04:56:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:04,058 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-11-10 04:56:04,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:04,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 04:56:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:04,059 INFO L225 Difference]: With dead ends: 22 [2018-11-10 04:56:04,059 INFO L226 Difference]: Without dead ends: 21 [2018-11-10 04:56:04,059 INFO L605 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 [2018-11-10 04:56:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-10 04:56:04,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2018-11-10 04:56:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-10 04:56:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2018-11-10 04:56:04,062 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 10 [2018-11-10 04:56:04,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,062 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2018-11-10 04:56:04,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-11-10 04:56:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:56:04,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:04,062 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:04,063 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:04,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:04,063 INFO L82 PathProgramCache]: Analyzing trace with hash -877549115, now seen corresponding path program 1 times [2018-11-10 04:56:04,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:04,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:04,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,064 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:04,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:04,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:04,089 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:04,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:04,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:04,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:04,090 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 3 states. [2018-11-10 04:56:04,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:04,103 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-11-10 04:56:04,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:04,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 04:56:04,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:04,104 INFO L225 Difference]: With dead ends: 19 [2018-11-10 04:56:04,104 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 04:56:04,104 INFO L605 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 [2018-11-10 04:56:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 04:56:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-10 04:56:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 04:56:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-10 04:56:04,107 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10 [2018-11-10 04:56:04,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,107 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-10 04:56:04,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 04:56:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:56:04,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:04,108 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:04,108 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:04,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:04,109 INFO L82 PathProgramCache]: Analyzing trace with hash -877549307, now seen corresponding path program 1 times [2018-11-10 04:56:04,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:04,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:04,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,110 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:04,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:04,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:04,132 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:04,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:04,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:04,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:04,133 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-10 04:56:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:04,142 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-11-10 04:56:04,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:04,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 04:56:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:04,144 INFO L225 Difference]: With dead ends: 18 [2018-11-10 04:56:04,144 INFO L226 Difference]: Without dead ends: 17 [2018-11-10 04:56:04,144 INFO L605 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 [2018-11-10 04:56:04,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-10 04:56:04,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-10 04:56:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 04:56:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2018-11-10 04:56:04,147 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 10 [2018-11-10 04:56:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,147 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-11-10 04:56:04,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-11-10 04:56:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:56:04,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:04,148 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:04,148 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:04,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:04,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1434218723, now seen corresponding path program 1 times [2018-11-10 04:56:04,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:04,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:04,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,149 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:04,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:04,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:04,166 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:04,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:04,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:04,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:04,167 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2018-11-10 04:56:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:04,177 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-11-10 04:56:04,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:04,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 04:56:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:04,177 INFO L225 Difference]: With dead ends: 19 [2018-11-10 04:56:04,177 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 04:56:04,178 INFO L605 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 [2018-11-10 04:56:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 04:56:04,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-11-10 04:56:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-10 04:56:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-11-10 04:56:04,180 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2018-11-10 04:56:04,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,180 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-11-10 04:56:04,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 04:56:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:56:04,181 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:56:04,181 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:56:04,181 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:56:04,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:56:04,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1434224681, now seen corresponding path program 1 times [2018-11-10 04:56:04,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:56:04,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:56:04,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:56:04,183 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:56:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:56:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:56:04,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:56:04,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:56:04,219 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:56:04,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:56:04,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:56:04,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:56:04,220 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 3 states. [2018-11-10 04:56:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:56:04,237 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-11-10 04:56:04,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:56:04,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 04:56:04,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:56:04,238 INFO L225 Difference]: With dead ends: 18 [2018-11-10 04:56:04,238 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:56:04,238 INFO L605 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 [2018-11-10 04:56:04,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:56:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:56:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:56:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:56:04,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-10 04:56:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:56:04,239 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:56:04,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:56:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:56:04,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:56:04,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:56:04,268 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 04:56:04,268 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:56:04,268 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:56:04,268 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 04:56:04,268 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:56:04,268 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:56:04,268 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 15 32) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 29) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 29) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L421 ceAbstractionStarter]: At program point L23-2(lines 20 30) the Hoare annotation is: (and (<= main_~z~0 2147483647) (<= main_~x~0 2147483647) (<= main_~y~0 2147483647)) [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2018-11-10 04:56:04,269 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 15 32) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 15 32) the Hoare annotation is: true [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 30) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2018-11-10 04:56:04,270 INFO L425 ceAbstractionStarter]: For program point L20-3(lines 20 30) no Hoare annotation was computed. [2018-11-10 04:56:04,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:56:04 BoogieIcfgContainer [2018-11-10 04:56:04,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:56:04,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:56:04,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:56:04,279 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:56:04,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:56:03" (3/4) ... [2018-11-10 04:56:04,281 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:56:04,285 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:56:04,285 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:56:04,288 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:56:04,288 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 04:56:04,288 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:56:04,315 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99323dd8-74e8-460b-9f13-18ef08dd14fa/bin-2019/utaipan/witness.graphml [2018-11-10 04:56:04,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:56:04,316 INFO L168 Benchmark]: Toolchain (without parser) took 902.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -103.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,317 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:56:04,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.39 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:56:04,318 INFO L168 Benchmark]: Boogie Preprocessor took 13.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,318 INFO L168 Benchmark]: RCFGBuilder took 167.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,319 INFO L168 Benchmark]: TraceAbstraction took 524.96 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,319 INFO L168 Benchmark]: Witness Printer took 37.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:56:04,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.39 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 167.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 524.96 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * Witness Printer took 37.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (z <= 2147483647 && x <= 2147483647) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 6 error locations. SAFE Result, 0.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 58 SDslu, 29 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 14 HoareAnnotationTreeSize, 5 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...