./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/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 5e607d57754c4f188315c4983a58e4a794edbb35 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:15:00,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:15:00,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:15:00,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:15:00,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:15:00,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:15:00,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:15:00,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:15:00,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:15:00,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:15:00,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:15:00,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:15:00,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:15:00,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:15:00,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:15:00,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:15:00,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:15:00,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:15:00,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:15:00,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:15:00,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:15:00,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:15:00,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:15:00,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:15:00,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:15:00,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:15:00,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:15:00,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:15:00,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:15:00,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:15:00,724 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:15:00,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:15:00,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:15:00,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:15:00,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:15:00,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:15:00,725 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-12-09 01:15:00,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:15:00,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:15:00,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:15:00,734 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:15:00,734 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:15:00,734 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:15:00,734 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:15:00,735 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:15:00,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:15:00,736 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:15:00,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:15:00,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:15:00,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:15:00,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:15:00,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:15:00,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:15:00,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:15:00,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:15:00,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:15:00,739 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_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/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 -> 5e607d57754c4f188315c4983a58e4a794edbb35 [2018-12-09 01:15:00,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:15:00,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:15:00,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:15:00,772 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:15:00,772 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:15:00,773 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4_true-termination_true-no-overflow.c [2018-12-09 01:15:00,809 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/data/87a372620/44c639b40a5d4ebdbfdda966ec9cd05f/FLAGccd4cfc5e [2018-12-09 01:15:01,271 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:15:01,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig4_true-termination_true-no-overflow.c [2018-12-09 01:15:01,275 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/data/87a372620/44c639b40a5d4ebdbfdda966ec9cd05f/FLAGccd4cfc5e [2018-12-09 01:15:01,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/data/87a372620/44c639b40a5d4ebdbfdda966ec9cd05f [2018-12-09 01:15:01,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:15:01,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:15:01,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:15:01,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:15:01,289 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:15:01,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cecaa61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01, skipping insertion in model container [2018-12-09 01:15:01,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:15:01,303 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:15:01,383 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:15:01,386 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:15:01,394 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:15:01,401 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:15:01,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01 WrapperNode [2018-12-09 01:15:01,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:15:01,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:15:01,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:15:01,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:15:01,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:15:01,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:15:01,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:15:01,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:15:01,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... [2018-12-09 01:15:01,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:15:01,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:15:01,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:15:01,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:15:01,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/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 [2018-12-09 01:15:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:15:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:15:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:15:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:15:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:15:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:15:01,563 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:15:01,563 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 01:15:01,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:01 BoogieIcfgContainer [2018-12-09 01:15:01,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:15:01,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:15:01,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:15:01,565 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:15:01,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:15:01" (1/3) ... [2018-12-09 01:15:01,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c8e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:15:01, skipping insertion in model container [2018-12-09 01:15:01,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:01" (2/3) ... [2018-12-09 01:15:01,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2c8e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:15:01, skipping insertion in model container [2018-12-09 01:15:01,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:01" (3/3) ... [2018-12-09 01:15:01,568 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig4_true-termination_true-no-overflow.c [2018-12-09 01:15:01,573 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:15:01,577 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 01:15:01,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 01:15:01,609 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:15:01,609 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:15:01,609 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:15:01,609 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:15:01,609 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:15:01,609 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:15:01,609 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:15:01,609 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:15:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2018-12-09 01:15:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 01:15:01,626 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:15:01,626 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:15:01,628 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 01:15:01,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:15:01,633 INFO L82 PathProgramCache]: Analyzing trace with hash 703472058, now seen corresponding path program 1 times [2018-12-09 01:15:01,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:15:01,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:15:01,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:15:01,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:15:01,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:15:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:15:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:15:01,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:15:01,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:15:01,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:15:01,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:15:01,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:15:01,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:15:01,731 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2018-12-09 01:15:01,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:15:01,749 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-12-09 01:15:01,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:15:01,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 01:15:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:15:01,756 INFO L225 Difference]: With dead ends: 20 [2018-12-09 01:15:01,756 INFO L226 Difference]: Without dead ends: 9 [2018-12-09 01:15:01,758 INFO L631 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 [2018-12-09 01:15:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-09 01:15:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-09 01:15:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-09 01:15:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-09 01:15:01,779 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-12-09 01:15:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:15:01,779 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-12-09 01:15:01,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:15:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-09 01:15:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 01:15:01,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:15:01,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:15:01,780 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-09 01:15:01,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:15:01,780 INFO L82 PathProgramCache]: Analyzing trace with hash 332797365, now seen corresponding path program 1 times [2018-12-09 01:15:01,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:15:01,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:15:01,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:15:01,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:15:01,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:15:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:15:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:15:01,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:15:01,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:15:01,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:15:01,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:15:01,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:15:01,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:15:01,802 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2018-12-09 01:15:01,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:15:01,820 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-12-09 01:15:01,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:15:01,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-12-09 01:15:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:15:01,820 INFO L225 Difference]: With dead ends: 9 [2018-12-09 01:15:01,821 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:15:01,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:15:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:15:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:15:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:15:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:15:01,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-12-09 01:15:01,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:15:01,822 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:15:01,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:15:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:15:01,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:15:01,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:15:01,841 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 01:15:01,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:15:01,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:15:01,842 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 01:15:01,842 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:15:01,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:15:01,842 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 21) the Hoare annotation is: true [2018-12-09 01:15:01,842 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 21) no Hoare annotation was computed. [2018-12-09 01:15:01,842 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-12-09 01:15:01,842 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-12-09 01:15:01,843 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= 23 main_~y~0)) [2018-12-09 01:15:01,843 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 19) no Hoare annotation was computed. [2018-12-09 01:15:01,843 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 21) no Hoare annotation was computed. [2018-12-09 01:15:01,843 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-12-09 01:15:01,843 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-12-09 01:15:01,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:15:01 BoogieIcfgContainer [2018-12-09 01:15:01,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:15:01,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:15:01,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:15:01,854 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:15:01,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:01" (3/4) ... [2018-12-09 01:15:01,857 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:15:01,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:15:01,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:15:01,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 01:15:01,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:15:01,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:15:01,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3e67a3c-7082-45d4-ab4b-e67fb5bbb017/bin-2019/utaipan/witness.graphml [2018-12-09 01:15:01,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:15:01,886 INFO L168 Benchmark]: Toolchain (without parser) took 601.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 958.7 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:15:01,887 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:15:01,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.30 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:15:01,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.60 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:15:01,888 INFO L168 Benchmark]: Boogie Preprocessor took 11.51 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:15:01,888 INFO L168 Benchmark]: RCFGBuilder took 136.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -102.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:15:01,888 INFO L168 Benchmark]: TraceAbstraction took 290.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:15:01,889 INFO L168 Benchmark]: Witness Printer took 31.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:15:01,890 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.30 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.60 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.51 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 136.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -102.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * Witness Printer took 31.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x <= 2147483647 && 23 <= y - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 14 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 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...