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 -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:01:09,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:01:09,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:01:09,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:01:09,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:01:09,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:01:09,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:01:09,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:01:09,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:01:09,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:01:09,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:01:09,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:01:09,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:01:09,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:01:09,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:01:09,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:01:09,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:01:09,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:01:09,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:01:09,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:01:09,371 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 [2019-09-20 13:01:09,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:01:09,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:01:09,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:01:09,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:01:09,402 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:01:09,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:01:09,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:01:09,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:01:09,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:01:09,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:01:09,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:01:09,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:01:09,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:01:09,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:01:09,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:01:09,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:01:09,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:01:09,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:01:09,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:01:09,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:01:09,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:01:09,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:09,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:01:09,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:01:09,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:01:09,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:01:09,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:01:09,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:01:09,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:01:09,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:01:09,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:01:09,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:01:09,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:01:09,460 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:01:09,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-20 13:01:09,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c11fba7/153e919ba68a44b4b9d8bef155d8d7b8/FLAGa51c6e5ad [2019-09-20 13:01:09,941 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:01:09,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-20 13:01:09,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c11fba7/153e919ba68a44b4b9d8bef155d8d7b8/FLAGa51c6e5ad [2019-09-20 13:01:10,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c11fba7/153e919ba68a44b4b9d8bef155d8d7b8 [2019-09-20 13:01:10,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:01:10,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:01:10,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:10,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:01:10,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:01:10,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616dfd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10, skipping insertion in model container [2019-09-20 13:01:10,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,370 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:01:10,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:01:10,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:10,586 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:01:10,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:10,617 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:01:10,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10 WrapperNode [2019-09-20 13:01:10,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:10,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:01:10,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:01:10,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:01:10,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (1/1) ... [2019-09-20 13:01:10,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:01:10,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:01:10,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:01:10,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:01:10,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (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 [2019-09-20 13:01:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:01:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:01:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-20 13:01:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-20 13:01:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:01:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:01:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:01:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:01:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:01:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:01:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:01:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:01:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:01:11,099 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:01:11,100 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:01:11,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:11 BoogieIcfgContainer [2019-09-20 13:01:11,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:01:11,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:01:11,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:01:11,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:01:11,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:01:10" (1/3) ... [2019-09-20 13:01:11,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3336c63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:11, skipping insertion in model container [2019-09-20 13:01:11,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:10" (2/3) ... [2019-09-20 13:01:11,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3336c63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:11, skipping insertion in model container [2019-09-20 13:01:11,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:11" (3/3) ... [2019-09-20 13:01:11,109 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2019-09-20 13:01:11,129 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:01:11,137 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:01:11,155 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:01:11,193 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:01:11,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:01:11,194 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:01:11,194 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:01:11,195 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:01:11,195 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:01:11,195 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:01:11,195 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:01:11,195 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:01:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-09-20 13:01:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:01:11,218 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:01:11,219 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:01:11,221 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:01:11,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:01:11,225 INFO L82 PathProgramCache]: Analyzing trace with hash -457594768, now seen corresponding path program 1 times [2019-09-20 13:01:11,227 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:01:11,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:01:11,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:11,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:01:11,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:01:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:01:11,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:01:11,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:01:11,788 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:01:11,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:01:11,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:01:11,806 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2019-09-20 13:01:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:01:12,212 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-09-20 13:01:12,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:01:12,215 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2019-09-20 13:01:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:01:12,224 INFO L225 Difference]: With dead ends: 27 [2019-09-20 13:01:12,225 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:01:12,232 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:01:12,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:01:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:01:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:01:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:01:12,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-09-20 13:01:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:01:12,268 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:01:12,269 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:01:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:01:12,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:01:12,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:01:12,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:12,697 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:12,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:12,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:12,698 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4)) (.cse0 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= |~#b~0.base| (select .cse0 .cse1)) (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|) (= (select .cse2 .cse1) |~#b~0.offset|) (= |~#a~0.base| (select .cse0 |~#global~0.offset|)))) [2019-09-20 13:01:12,698 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:12,698 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:12,699 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-09-20 13:01:12,699 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2019-09-20 13:01:12,699 INFO L439 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-09-20 13:01:12,699 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2019-09-20 13:01:12,700 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2019-09-20 13:01:12,700 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-09-20 13:01:12,700 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (let ((.cse3 (select |#memory_$Pointer$.offset| main_~pd~0.base)) (.cse5 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse4 (+ main_~pd~0.offset 4))) (and (= (select .cse3 .cse4) |~#b~0.offset|) (= (select .cse5 main_~pd~0.offset) |~#a~0.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select .cse3 main_~pd~0.offset) |~#a~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.base| (select .cse5 .cse4)))))) [2019-09-20 13:01:12,701 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-09-20 13:01:12,701 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.offset|) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-09-20 13:01:12,701 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-09-20 13:01:12,702 INFO L443 ceAbstractionStarter]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2019-09-20 13:01:12,702 INFO L439 ceAbstractionStarter]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-09-20 13:01:12,702 INFO L443 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2019-09-20 13:01:12,702 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2019-09-20 13:01:12,702 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-09-20 13:01:12,703 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2019-09-20 13:01:12,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,722 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:01:12 BoogieIcfgContainer [2019-09-20 13:01:12,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:01:12,729 INFO L168 Benchmark]: Toolchain (without parser) took 2375.30 ms. Allocated memory was 138.4 MB in the beginning and 220.2 MB in the end (delta: 81.8 MB). Free memory was 86.1 MB in the beginning and 139.4 MB in the end (delta: -53.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,731 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.79 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 177.7 MB in the end (delta: -91.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,733 INFO L168 Benchmark]: Boogie Preprocessor took 39.89 ms. Allocated memory is still 198.2 MB. Free memory was 177.7 MB in the beginning and 174.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,734 INFO L168 Benchmark]: RCFGBuilder took 361.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,735 INFO L168 Benchmark]: TraceAbstraction took 1623.97 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 158.3 MB in the beginning and 139.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:12,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 345.79 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 177.7 MB in the end (delta: -91.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.89 ms. Allocated memory is still 198.2 MB. Free memory was 177.7 MB in the beginning and 174.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 361.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 158.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1623.97 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 158.3 MB in the beginning and 139.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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 [2019-09-20 13:01:12,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,752 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,752 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-09-20 13:01:12,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-09-20 13:01:12,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-09-20 13:01:12,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 38 SDs, 0 SdLazy, 89 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 389 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 8109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...