java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:48:09,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:48:09,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:48:09,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:48:09,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:48:09,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:48:09,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:48:09,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:48:09,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:48:09,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:48:09,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:48:09,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:48:09,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:48:09,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:48:09,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:48:09,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:48:09,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:48:09,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:48:09,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:48:09,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:48:09,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:48:09,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:48:09,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:48:09,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:48:09,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 12:48:09,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:48:09,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:48:09,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:48:09,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:48:09,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:48:09,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:48:09,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:48:09,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:48:09,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:48:09,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:48:09,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:48:09,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:48:09,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:48:09,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:48:09,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:48:09,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:48:09,397 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:48:09,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:48:09,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:48:09,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:48:09,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:48:09,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:48:09,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:48:09,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:48:09,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:48:09,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:48:09,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:48:09,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:48:09,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:48:09,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:48:09,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:48:09,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:48:09,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:48:09,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:48:09,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:48:09,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:48:09,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:48:09,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:48:09,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:48:09,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:48:09,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:48:09,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:48:09,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:48:09,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:48:09,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:48:09,677 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:48:09,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-10-07 12:48:09,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db295998/0449640458264b7892e6f495e0161506/FLAGc9138c62e [2019-10-07 12:48:10,166 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:48:10,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-10-07 12:48:10,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db295998/0449640458264b7892e6f495e0161506/FLAGc9138c62e [2019-10-07 12:48:10,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db295998/0449640458264b7892e6f495e0161506 [2019-10-07 12:48:10,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:48:10,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:48:10,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:48:10,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:48:10,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:48:10,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10, skipping insertion in model container [2019-10-07 12:48:10,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:48:10,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:48:10,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:48:10,835 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:48:10,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:48:10,868 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:48:10,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10 WrapperNode [2019-10-07 12:48:10,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:48:10,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:48:10,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:48:10,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:48:10,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (1/1) ... [2019-10-07 12:48:10,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:48:10,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:48:10,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:48:10,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:48:10,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (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 [2019-10-07 12:48:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:48:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:48:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-07 12:48:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-07 12:48:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:48:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:48:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-07 12:48:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:48:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:48:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:48:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:48:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:48:11,450 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:48:11,450 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:48:11,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:48:11 BoogieIcfgContainer [2019-10-07 12:48:11,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:48:11,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:48:11,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:48:11,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:48:11,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:48:10" (1/3) ... [2019-10-07 12:48:11,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9837b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:48:11, skipping insertion in model container [2019-10-07 12:48:11,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:48:10" (2/3) ... [2019-10-07 12:48:11,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9837b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:48:11, skipping insertion in model container [2019-10-07 12:48:11,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:48:11" (3/3) ... [2019-10-07 12:48:11,459 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2019-10-07 12:48:11,477 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:48:11,487 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:48:11,496 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:48:11,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:48:11,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:48:11,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:48:11,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:48:11,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:48:11,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:48:11,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:48:11,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:48:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-07 12:48:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 12:48:11,546 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:48:11,546 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:48:11,548 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:48:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:48:11,553 INFO L82 PathProgramCache]: Analyzing trace with hash 617454424, now seen corresponding path program 1 times [2019-10-07 12:48:11,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:48:11,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:11,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:11,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:48:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:48:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:48:11,813 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:11,814 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:48:11,814 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:48:11,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:48:11,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:48:11,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:48:11,837 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2019-10-07 12:48:11,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:48:11,922 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2019-10-07 12:48:11,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:48:11,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-07 12:48:11,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:48:11,936 INFO L225 Difference]: With dead ends: 34 [2019-10-07 12:48:11,936 INFO L226 Difference]: Without dead ends: 19 [2019-10-07 12:48:11,940 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 12:48:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-07 12:48:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-07 12:48:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-07 12:48:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-10-07 12:48:11,981 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-10-07 12:48:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:48:11,982 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-10-07 12:48:11,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:48:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-10-07 12:48:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-07 12:48:11,983 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:48:11,983 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:48:11,984 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:48:11,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:48:11,984 INFO L82 PathProgramCache]: Analyzing trace with hash 914096747, now seen corresponding path program 1 times [2019-10-07 12:48:11,985 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:48:11,985 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:11,985 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:11,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:48:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:48:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:48:12,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:12,128 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:48:12,130 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:48:12,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:48:12,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:48:12,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:48:12,134 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 5 states. [2019-10-07 12:48:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:48:12,156 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-10-07 12:48:12,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:48:12,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-10-07 12:48:12,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:48:12,159 INFO L225 Difference]: With dead ends: 21 [2019-10-07 12:48:12,159 INFO L226 Difference]: Without dead ends: 19 [2019-10-07 12:48:12,161 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:48:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-07 12:48:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-07 12:48:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-07 12:48:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-10-07 12:48:12,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 17 [2019-10-07 12:48:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:48:12,171 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-10-07 12:48:12,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:48:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-10-07 12:48:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-07 12:48:12,172 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:48:12,172 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:48:12,172 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:48:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:48:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770058, now seen corresponding path program 1 times [2019-10-07 12:48:12,174 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:48:12,174 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:12,175 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:12,176 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:48:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:48:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:48:12,554 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:12,554 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:48:12,554 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 12:48:12,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 12:48:12,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 12:48:12,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 12:48:12,556 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-10-07 12:48:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:48:12,798 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-10-07 12:48:12,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 12:48:12,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-10-07 12:48:12,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:48:12,799 INFO L225 Difference]: With dead ends: 19 [2019-10-07 12:48:12,799 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 12:48:12,800 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-10-07 12:48:12,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 12:48:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 12:48:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 12:48:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 12:48:12,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-10-07 12:48:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:48:12,804 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 12:48:12,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 12:48:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 12:48:12,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 12:48:12,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 12:48:12,882 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 12:48:12,882 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 12:48:12,882 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|)) [2019-10-07 12:48:12,883 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-10-07 12:48:12,883 INFO L443 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-10-07 12:48:12,883 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 11 18) no Hoare annotation was computed. [2019-10-07 12:48:12,883 INFO L439 ceAbstractionStarter]: At program point fENTRY(lines 11 18) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2019-10-07 12:48:12,883 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 11 18) no Hoare annotation was computed. [2019-10-07 12:48:12,883 INFO L443 ceAbstractionStarter]: For program point gEXIT(lines 4 9) no Hoare annotation was computed. [2019-10-07 12:48:12,884 INFO L439 ceAbstractionStarter]: At program point gENTRY(lines 4 9) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2019-10-07 12:48:12,884 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 12:48:12,884 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-07 12:48:12,884 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 12:48:12,884 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 12:48:12,884 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (and (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= .cse0 |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2019-10-07 12:48:12,885 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-10-07 12:48:12,885 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2019-10-07 12:48:12,885 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 20 46) no Hoare annotation was computed. [2019-10-07 12:48:12,885 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 12:48:12,886 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 20 46) no Hoare annotation was computed. [2019-10-07 12:48:12,886 INFO L439 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-10-07 12:48:12,886 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-10-07 12:48:12,886 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-10-07 12:48:12,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 12:48:12 BoogieIcfgContainer [2019-10-07 12:48:12,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 12:48:12,903 INFO L168 Benchmark]: Toolchain (without parser) took 2309.64 ms. Allocated memory was 139.5 MB in the beginning and 234.4 MB in the end (delta: 94.9 MB). Free memory was 101.6 MB in the beginning and 185.0 MB in the end (delta: -83.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,905 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.08 ms. Allocated memory is still 139.5 MB. Free memory was 101.4 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,910 INFO L168 Benchmark]: Boogie Preprocessor took 123.70 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 181.7 MB in the end (delta: -90.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,910 INFO L168 Benchmark]: RCFGBuilder took 458.10 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 160.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,913 INFO L168 Benchmark]: TraceAbstraction took 1445.99 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 160.9 MB in the beginning and 185.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-10-07 12:48:12,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.08 ms. Allocated memory is still 139.5 MB. Free memory was 101.4 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.70 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 181.7 MB in the end (delta: -90.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.10 ms. Allocated memory is still 203.4 MB. Free memory was 181.7 MB in the beginning and 160.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1445.99 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 160.9 MB in the beginning and 185.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 9 SDslu, 132 SDs, 0 SdLazy, 92 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 60 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 4966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...