java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 16:35:17,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 16:35:17,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 16:35:17,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 16:35:17,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 16:35:18,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 16:35:18,002 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 16:35:18,003 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 16:35:18,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 16:35:18,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 16:35:18,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 16:35:18,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 16:35:18,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 16:35:18,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 16:35:18,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 16:35:18,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 16:35:18,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 16:35:18,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 16:35:18,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 16:35:18,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 16:35:18,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 16:35:18,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 16:35:18,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 16:35:18,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 16:35:18,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 16:35:18,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 16:35:18,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 16:35:18,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 16:35:18,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 16:35:18,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 16:35:18,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 16:35:18,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 16:35:18,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 16:35:18,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 16:35:18,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 16:35:18,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 16:35:18,036 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 16:35:18,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 16:35:18,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 16:35:18,062 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 16:35:18,062 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 16:35:18,062 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 16:35:18,062 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 16:35:18,062 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 16:35:18,063 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 16:35:18,063 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 16:35:18,063 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 16:35:18,063 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 16:35:18,063 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 16:35:18,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 16:35:18,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 16:35:18,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 16:35:18,065 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 16:35:18,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 16:35:18,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 16:35:18,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 16:35:18,066 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 16:35:18,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 16:35:18,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 16:35:18,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 16:35:18,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 16:35:18,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 16:35:18,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 16:35:18,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 16:35:18,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 16:35:18,069 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 16:35:18,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 16:35:18,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 16:35:18,070 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 16:35:18,070 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 16:35:18,070 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 16:35:18,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 16:35:18,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 16:35:18,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 16:35:18,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 16:35:18,136 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 16:35:18,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i [2018-11-07 16:35:18,208 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0383cee44/0f2089c84a7a4148be259c58e7f73ea5/FLAGf91d28b63 [2018-11-07 16:35:18,716 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 16:35:18,717 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02_true-unreach-call_true-termination.i [2018-11-07 16:35:18,724 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0383cee44/0f2089c84a7a4148be259c58e7f73ea5/FLAGf91d28b63 [2018-11-07 16:35:18,742 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0383cee44/0f2089c84a7a4148be259c58e7f73ea5 [2018-11-07 16:35:18,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 16:35:18,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 16:35:18,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:18,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 16:35:18,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 16:35:18,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:18" (1/1) ... [2018-11-07 16:35:18,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121926f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:18, skipping insertion in model container [2018-11-07 16:35:18,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:18" (1/1) ... [2018-11-07 16:35:18,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 16:35:18,807 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 16:35:18,981 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:18,988 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 16:35:19,015 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:19,035 INFO L193 MainTranslator]: Completed translation [2018-11-07 16:35:19,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19 WrapperNode [2018-11-07 16:35:19,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:19,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:19,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 16:35:19,037 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 16:35:19,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:19,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 16:35:19,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 16:35:19,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 16:35:19,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (1/1) ... [2018-11-07 16:35:19,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 16:35:19,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 16:35:19,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 16:35:19,104 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 16:35:19,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (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 [2018-11-07 16:35:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 16:35:19,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 16:35:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 16:35:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 16:35:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 16:35:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 16:35:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 16:35:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 16:35:19,558 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 16:35:19,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:19 BoogieIcfgContainer [2018-11-07 16:35:19,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 16:35:19,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 16:35:19,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 16:35:19,564 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 16:35:19,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:18" (1/3) ... [2018-11-07 16:35:19,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcc2096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:19, skipping insertion in model container [2018-11-07 16:35:19,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:19" (2/3) ... [2018-11-07 16:35:19,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcc2096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:19, skipping insertion in model container [2018-11-07 16:35:19,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:19" (3/3) ... [2018-11-07 16:35:19,568 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_true-unreach-call_true-termination.i [2018-11-07 16:35:19,578 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 16:35:19,588 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 16:35:19,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 16:35:19,689 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 16:35:19,689 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 16:35:19,690 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 16:35:19,690 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 16:35:19,690 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 16:35:19,690 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 16:35:19,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 16:35:19,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 16:35:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-07 16:35:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-07 16:35:19,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:19,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:19,761 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:19,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash -60552007, now seen corresponding path program 1 times [2018-11-07 16:35:19,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:19,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:19,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:19,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:19,823 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:19,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:19,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 16:35:19,903 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:19,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 16:35:19,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 16:35:19,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 16:35:19,925 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-11-07 16:35:19,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:19,947 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-11-07 16:35:19,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 16:35:19,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-07 16:35:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:19,960 INFO L225 Difference]: With dead ends: 36 [2018-11-07 16:35:19,961 INFO L226 Difference]: Without dead ends: 17 [2018-11-07 16:35:19,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 16:35:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-07 16:35:20,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-07 16:35:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-07 16:35:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-07 16:35:20,009 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-11-07 16:35:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:20,009 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-07 16:35:20,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 16:35:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-07 16:35:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-07 16:35:20,011 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:20,011 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:20,011 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:20,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1989785303, now seen corresponding path program 1 times [2018-11-07 16:35:20,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:20,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:20,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:20,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:20,014 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:20,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:20,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 16:35:20,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:20,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 16:35:20,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 16:35:20,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-07 16:35:20,152 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 6 states. [2018-11-07 16:35:20,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:20,343 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-11-07 16:35:20,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 16:35:20,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-07 16:35:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:20,346 INFO L225 Difference]: With dead ends: 24 [2018-11-07 16:35:20,346 INFO L226 Difference]: Without dead ends: 19 [2018-11-07 16:35:20,349 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-07 16:35:20,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-07 16:35:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-07 16:35:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-07 16:35:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-07 16:35:20,360 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2018-11-07 16:35:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:20,361 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-07 16:35:20,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 16:35:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-07 16:35:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-07 16:35:20,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:20,362 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:20,362 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:20,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1751989068, now seen corresponding path program 1 times [2018-11-07 16:35:20,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:20,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:20,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:20,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:20,370 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:20,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:20,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-07 16:35:20,710 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:20,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 16:35:20,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 16:35:20,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-07 16:35:20,712 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 7 states. [2018-11-07 16:35:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:20,884 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-11-07 16:35:20,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 16:35:20,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-07 16:35:20,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:20,885 INFO L225 Difference]: With dead ends: 22 [2018-11-07 16:35:20,885 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 16:35:20,886 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 16:35:20,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 16:35:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 16:35:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 16:35:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 16:35:20,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-07 16:35:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:20,888 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 16:35:20,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 16:35:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 16:35:20,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 16:35:20,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 16:35:20,977 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-07 16:35:20,977 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:35:20,977 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:35:20,977 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 16:35:20,978 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 30) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 30) the Hoare annotation is: (or (and (< 100 main_~z~0) (< 99 main_~x~0)) (and (<= main_~x~0 98) (<= main_~z~0 100))) [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-07 16:35:20,978 INFO L425 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-07 16:35:20,979 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-07 16:35:20,979 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-07 16:35:20,979 INFO L421 ceAbstractionStarter]: At program point L24-2(lines 21 30) the Hoare annotation is: (or (< 100 main_~z~0) (<= main_~x~0 98)) [2018-11-07 16:35:20,979 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-07 16:35:20,979 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-07 16:35:20,979 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-07 16:35:20,979 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-07 16:35:20,979 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-07 16:35:20,980 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-07 16:35:20,980 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-07 16:35:20,980 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-07 16:35:20,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:35:20 BoogieIcfgContainer [2018-11-07 16:35:20,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 16:35:20,992 INFO L168 Benchmark]: Toolchain (without parser) took 2240.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -725.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:20,995 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:35:20,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:20,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:35:20,997 INFO L168 Benchmark]: Boogie Preprocessor took 38.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:35:20,998 INFO L168 Benchmark]: RCFGBuilder took 456.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:20,999 INFO L168 Benchmark]: TraceAbstraction took 1431.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:21,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 28.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 456.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1431.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 100 < z || x <= 98 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 10 SDslu, 86 SDs, 0 SdLazy, 67 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 27 HoareAnnotationTreeSize, 9 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...