./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/recursive/gcd01_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/recursive/gcd01_true-unreach-call_true-no-overflow_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0497b69437c9ebb889888bdb31aaefcc8eaad029 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:13:37,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:13:37,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:13:37,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:13:37,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:13:37,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:13:37,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:13:37,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:13:37,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:13:37,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:13:37,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:13:37,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:13:37,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:13:37,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:13:37,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:13:37,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:13:37,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:13:37,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:13:37,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:13:38,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:13:38,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:13:38,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:13:38,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:13:38,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:13:38,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:13:38,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:13:38,014 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:13:38,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:13:38,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:13:38,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:13:38,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:13:38,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:13:38,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:13:38,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:13:38,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:13:38,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:13:38,030 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-01 21:13:38,058 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:13:38,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:13:38,060 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:13:38,062 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:13:38,062 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:13:38,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:13:38,062 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 21:13:38,063 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:13:38,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:13:38,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 21:13:38,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:13:38,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 21:13:38,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 21:13:38,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 21:13:38,065 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 21:13:38,065 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 21:13:38,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:13:38,067 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:13:38,067 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 21:13:38,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:13:38,068 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:13:38,068 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 21:13:38,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 21:13:38,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 21:13:38,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:13:38,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 21:13:38,070 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 21:13:38,070 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:13:38,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 21:13:38,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 21:13:38,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0497b69437c9ebb889888bdb31aaefcc8eaad029 [2019-01-01 21:13:38,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:13:38,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:13:38,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:13:38,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:13:38,158 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:13:38,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/gcd01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 21:13:38,229 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6c40d4/f7ca5190f528426d99e26d7b4dc7d838/FLAG7f98c0b59 [2019-01-01 21:13:38,682 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:13:38,684 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/gcd01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 21:13:38,691 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6c40d4/f7ca5190f528426d99e26d7b4dc7d838/FLAG7f98c0b59 [2019-01-01 21:13:39,055 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6c40d4/f7ca5190f528426d99e26d7b4dc7d838 [2019-01-01 21:13:39,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:13:39,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:13:39,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:13:39,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:13:39,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:13:39,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d0e1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39, skipping insertion in model container [2019-01-01 21:13:39,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:13:39,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:13:39,289 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:13:39,294 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:13:39,311 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:13:39,325 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:13:39,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39 WrapperNode [2019-01-01 21:13:39,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:13:39,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:13:39,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:13:39,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:13:39,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:13:39,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:13:39,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:13:39,365 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:13:39,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... [2019-01-01 21:13:39,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:13:39,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:13:39,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:13:39,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:13:39,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 21:13:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2019-01-01 21:13:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2019-01-01 21:13:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:13:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:13:39,927 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:13:39,927 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 21:13:39,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:13:39 BoogieIcfgContainer [2019-01-01 21:13:39,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:13:39,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 21:13:39,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 21:13:39,934 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 21:13:39,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 09:13:39" (1/3) ... [2019-01-01 21:13:39,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793badc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:13:39, skipping insertion in model container [2019-01-01 21:13:39,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:13:39" (2/3) ... [2019-01-01 21:13:39,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793badc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:13:39, skipping insertion in model container [2019-01-01 21:13:39,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:13:39" (3/3) ... [2019-01-01 21:13:39,938 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 21:13:39,947 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 21:13:39,955 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 21:13:39,971 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 21:13:40,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:13:40,007 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 21:13:40,007 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 21:13:40,007 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 21:13:40,008 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:13:40,008 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:13:40,008 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 21:13:40,008 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:13:40,008 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 21:13:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-01-01 21:13:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-01 21:13:40,034 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:13:40,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 21:13:40,038 INFO L423 AbstractCegarLoop]: === Iteration 1 === [gcdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:13:40,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:13:40,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1793788466, now seen corresponding path program 1 times [2019-01-01 21:13:40,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:13:40,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:13:40,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:13:40,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:13:40,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:13:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:13:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:13:40,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:13:40,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 21:13:40,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 21:13:40,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 21:13:40,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 21:13:40,298 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 6 states. [2019-01-01 21:13:40,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:13:40,828 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2019-01-01 21:13:40,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 21:13:40,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-01-01 21:13:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:13:40,841 INFO L225 Difference]: With dead ends: 36 [2019-01-01 21:13:40,841 INFO L226 Difference]: Without dead ends: 16 [2019-01-01 21:13:40,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 21:13:40,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-01 21:13:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-01 21:13:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-01 21:13:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-01 21:13:40,885 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9 [2019-01-01 21:13:40,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:13:40,885 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-01 21:13:40,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 21:13:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-01 21:13:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-01 21:13:40,886 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:13:40,886 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 21:13:40,887 INFO L423 AbstractCegarLoop]: === Iteration 2 === [gcdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:13:40,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:13:40,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1793788690, now seen corresponding path program 1 times [2019-01-01 21:13:40,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:13:40,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:13:40,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:13:40,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:13:40,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:13:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:13:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:13:40,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:13:40,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 21:13:40,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 21:13:40,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 21:13:40,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 21:13:40,991 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2019-01-01 21:13:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:13:41,095 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-01 21:13:41,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 21:13:41,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-01-01 21:13:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:13:41,097 INFO L225 Difference]: With dead ends: 16 [2019-01-01 21:13:41,097 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 21:13:41,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 21:13:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 21:13:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 21:13:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 21:13:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 21:13:41,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-01-01 21:13:41,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:13:41,101 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:13:41,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 21:13:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:13:41,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 21:13:41,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 21:13:41,298 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2019-01-01 21:13:41,364 INFO L448 ceAbstractionStarter]: For program point gcdFINAL(lines 15 26) no Hoare annotation was computed. [2019-01-01 21:13:41,365 INFO L448 ceAbstractionStarter]: For program point gcdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-01 21:13:41,365 INFO L448 ceAbstractionStarter]: For program point gcdEXIT(lines 15 26) no Hoare annotation was computed. [2019-01-01 21:13:41,365 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-01-01 21:13:41,365 INFO L448 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-01-01 21:13:41,366 INFO L451 ceAbstractionStarter]: At program point gcdENTRY(lines 15 26) the Hoare annotation is: true [2019-01-01 21:13:41,366 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-01 21:13:41,366 INFO L444 ceAbstractionStarter]: At program point L25-2(line 25) the Hoare annotation is: (or (< 2147483647 |gcd_#in~y1|) (and (<= gcd_~y2 (+ gcd_~y1 2147483646)) (<= gcd_~y2 2147483647) (<= gcd_~y1 2147483647) (<= gcd_~y1 (+ gcd_~y2 2147483646))) (< 2147483647 |gcd_#in~y2|)) [2019-01-01 21:13:41,366 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 24) no Hoare annotation was computed. [2019-01-01 21:13:41,366 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-01 21:13:41,367 INFO L448 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2019-01-01 21:13:41,367 INFO L444 ceAbstractionStarter]: At program point L23-2(line 23) the Hoare annotation is: (or (< 2147483647 |gcd_#in~y1|) (and (<= gcd_~y2 (+ gcd_~y1 2147483646)) (<= gcd_~y2 2147483647) (<= gcd_~y1 2147483647) (<= gcd_~y1 (+ gcd_~y2 2147483646))) (< 2147483647 |gcd_#in~y2|)) [2019-01-01 21:13:41,368 INFO L448 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2019-01-01 21:13:41,368 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 21) no Hoare annotation was computed. [2019-01-01 21:13:41,368 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-01-01 21:13:41,368 INFO L448 ceAbstractionStarter]: For program point gcdErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-01-01 21:13:41,368 INFO L448 ceAbstractionStarter]: For program point gcdErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L448 ceAbstractionStarter]: For program point gcdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 32) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 21:13:41,369 INFO L451 ceAbstractionStarter]: At program point L41(lines 28 43) the Hoare annotation is: true [2019-01-01 21:13:41,370 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-01-01 21:13:41,370 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-01-01 21:13:41,370 INFO L444 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: (and (<= ULTIMATE.start_main_~n~0 2147483647) (<= ULTIMATE.start_main_~m~0 2147483647)) [2019-01-01 21:13:41,370 INFO L448 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2019-01-01 21:13:41,370 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-01-01 21:13:41,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 09:13:41 BoogieIcfgContainer [2019-01-01 21:13:41,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 21:13:41,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:13:41,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:13:41,382 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:13:41,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:13:39" (3/4) ... [2019-01-01 21:13:41,388 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 21:13:41,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gcd [2019-01-01 21:13:41,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-01 21:13:41,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 21:13:41,459 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:13:41,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:13:41,461 INFO L168 Benchmark]: Toolchain (without parser) took 2401.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -77.6 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:13:41,462 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:13:41,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:13:41,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:13:41,464 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:13:41,465 INFO L168 Benchmark]: RCFGBuilder took 540.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-01 21:13:41,465 INFO L168 Benchmark]: TraceAbstraction took 1450.63 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-01-01 21:13:41,466 INFO L168 Benchmark]: Witness Printer took 80.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:13:41,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.36 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 540.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1450.63 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * Witness Printer took 80.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 70 SDslu, 44 SDs, 0 SdLazy, 96 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 11 PreInvPairs, 13 NumberOfFragments, 61 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 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...