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/loop-invgen/NetBSD_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 19:49:12,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 19:49:12,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 19:49:12,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 19:49:12,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 19:49:12,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 19:49:12,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 19:49:12,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 19:49:12,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 19:49:12,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 19:49:12,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 19:49:12,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 19:49:12,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 19:49:12,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 19:49:12,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 19:49:12,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 19:49:12,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 19:49:12,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 19:49:12,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 19:49:12,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 19:49:12,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 19:49:12,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 19:49:12,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 19:49:12,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 19:49:12,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 19:49:12,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 19:49:12,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 19:49:12,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 19:49:12,321 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 [2019-09-03 19:49:12,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 19:49:12,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 19:49:12,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 19:49:12,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 19:49:12,349 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 19:49:12,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 19:49:12,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 19:49:12,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 19:49:12,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 19:49:12,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 19:49:12,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 19:49:12,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 19:49:12,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 19:49:12,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 19:49:12,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 19:49:12,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 19:49:12,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 19:49:12,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 19:49:12,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 19:49:12,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 19:49:12,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 19:49:12,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 19:49:12,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 19:49:12,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 19:49:12,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 19:49:12,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 19:49:12,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 19:49:12,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 19:49:12,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-03 19:49:12,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 19:49:12,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 19:49:12,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 19:49:12,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 19:49:12,402 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 19:49:12,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-03 19:49:12,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc40d9aa/3a1afec6894c44c68a4a73dfdc46e9a3/FLAG082a1d090 [2019-09-03 19:49:12,921 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 19:49:12,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-03 19:49:12,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc40d9aa/3a1afec6894c44c68a4a73dfdc46e9a3/FLAG082a1d090 [2019-09-03 19:49:13,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc40d9aa/3a1afec6894c44c68a4a73dfdc46e9a3 [2019-09-03 19:49:13,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 19:49:13,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 19:49:13,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 19:49:13,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 19:49:13,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 19:49:13,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ab212e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13, skipping insertion in model container [2019-09-03 19:49:13,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 19:49:13,332 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 19:49:13,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:49:13,492 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 19:49:13,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:49:13,524 INFO L192 MainTranslator]: Completed translation [2019-09-03 19:49:13,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13 WrapperNode [2019-09-03 19:49:13,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 19:49:13,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 19:49:13,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 19:49:13,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 19:49:13,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (1/1) ... [2019-09-03 19:49:13,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 19:49:13,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 19:49:13,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 19:49:13,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 19:49:13,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (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 [2019-09-03 19:49:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 19:49:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 19:49:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 19:49:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 19:49:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 19:49:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 19:49:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 19:49:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 19:49:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 19:49:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 19:49:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 19:49:13,872 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 19:49:13,872 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 19:49:13,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:49:13 BoogieIcfgContainer [2019-09-03 19:49:13,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 19:49:13,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 19:49:13,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 19:49:13,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 19:49:13,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 07:49:13" (1/3) ... [2019-09-03 19:49:13,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95a4161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:49:13, skipping insertion in model container [2019-09-03 19:49:13,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:49:13" (2/3) ... [2019-09-03 19:49:13,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95a4161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:49:13, skipping insertion in model container [2019-09-03 19:49:13,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:49:13" (3/3) ... [2019-09-03 19:49:13,884 INFO L109 eAbstractionObserver]: Analyzing ICFG NetBSD_loop.i [2019-09-03 19:49:13,903 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 19:49:13,918 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 19:49:13,940 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 19:49:13,976 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-03 19:49:13,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 19:49:13,977 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-03 19:49:13,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 19:49:13,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 19:49:13,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 19:49:13,978 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 19:49:13,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 19:49:13,978 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 19:49:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-03 19:49:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-03 19:49:14,004 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:49:14,005 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:49:14,008 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:49:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:49:14,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1158151592, now seen corresponding path program 1 times [2019-09-03 19:49:14,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:49:14,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:49:14,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:49:14,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:49:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 19:49:14,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:49:14,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-03 19:49:14,214 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-03 19:49:14,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-03 19:49:14,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-03 19:49:14,226 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2019-09-03 19:49:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:49:14,328 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2019-09-03 19:49:14,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-03 19:49:14,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-09-03 19:49:14,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:49:14,337 INFO L225 Difference]: With dead ends: 44 [2019-09-03 19:49:14,338 INFO L226 Difference]: Without dead ends: 21 [2019-09-03 19:49:14,341 INFO L628 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 [2019-09-03 19:49:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-09-03 19:49:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-09-03 19:49:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-09-03 19:49:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-09-03 19:49:14,379 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-09-03 19:49:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:49:14,380 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-09-03 19:49:14,380 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-03 19:49:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-09-03 19:49:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-03 19:49:14,381 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:49:14,382 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:49:14,382 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:49:14,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:49:14,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1937413030, now seen corresponding path program 1 times [2019-09-03 19:49:14,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:49:14,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:49:14,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:49:14,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:49:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 19:49:14,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:49:14,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-03 19:49:14,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-03 19:49:14,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-03 19:49:14,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-03 19:49:14,450 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2019-09-03 19:49:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:49:14,540 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-09-03 19:49:14,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-03 19:49:14,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-09-03 19:49:14,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:49:14,543 INFO L225 Difference]: With dead ends: 31 [2019-09-03 19:49:14,543 INFO L226 Difference]: Without dead ends: 29 [2019-09-03 19:49:14,544 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-03 19:49:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-09-03 19:49:14,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-09-03 19:49:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-09-03 19:49:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-09-03 19:49:14,558 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 17 [2019-09-03 19:49:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:49:14,558 INFO L475 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-09-03 19:49:14,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-03 19:49:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-09-03 19:49:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-03 19:49:14,561 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:49:14,561 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:49:14,562 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:49:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:49:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash 441803270, now seen corresponding path program 1 times [2019-09-03 19:49:14,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:49:14,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:49:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:49:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:49:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:49:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-03 19:49:14,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-03 19:49:14,659 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-03 19:49:14,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-03 19:49:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:49:14,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-03 19:49:14,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-03 19:49:14,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-03 19:49:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-03 19:49:14,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-03 19:49:14,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 13 [2019-09-03 19:49:14,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-03 19:49:14,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-03 19:49:14,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-09-03 19:49:14,887 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 13 states. [2019-09-03 19:49:15,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:49:15,116 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2019-09-03 19:49:15,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-03 19:49:15,116 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2019-09-03 19:49:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:49:15,117 INFO L225 Difference]: With dead ends: 37 [2019-09-03 19:49:15,117 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 19:49:15,118 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-09-03 19:49:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 19:49:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 19:49:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 19:49:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 19:49:15,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2019-09-03 19:49:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:49:15,120 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 19:49:15,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-03 19:49:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 19:49:15,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 19:49:15,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-03 19:49:15,268 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-09-03 19:49:15,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:49:15,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:49:15,269 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-03 19:49:15,269 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-03 19:49:15,269 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-03 19:49:15,269 INFO L446 ceAbstractionStarter]: At program point L30(lines 11 31) the Hoare annotation is: true [2019-09-03 19:49:15,269 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 31) the Hoare annotation is: true [2019-09-03 19:49:15,269 INFO L443 ceAbstractionStarter]: For program point L28(lines 24 29) no Hoare annotation was computed. [2019-09-03 19:49:15,270 INFO L439 ceAbstractionStarter]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~glob2_pathlim_off~0 main_~MAXPATHLEN~0) (< 0 main_~MAXPATHLEN~0) (<= 0 main_~glob2_p_off~0) (<= main_~glob2_p_off~0 main_~MAXPATHLEN~0)) [2019-09-03 19:49:15,270 INFO L439 ceAbstractionStarter]: At program point L27-1(line 27) the Hoare annotation is: (and (<= main_~glob2_pathlim_off~0 main_~MAXPATHLEN~0) (< 0 main_~MAXPATHLEN~0) (<= 0 main_~glob2_p_off~0) (<= main_~glob2_p_off~0 main_~MAXPATHLEN~0)) [2019-09-03 19:49:15,270 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 31) no Hoare annotation was computed. [2019-09-03 19:49:15,270 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (<= main_~glob2_pathlim_off~0 main_~MAXPATHLEN~0) (< 0 main_~MAXPATHLEN~0) (<= 0 main_~glob2_p_off~0)) [2019-09-03 19:49:15,270 INFO L443 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2019-09-03 19:49:15,271 INFO L443 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2019-09-03 19:49:15,271 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 31) no Hoare annotation was computed. [2019-09-03 19:49:15,271 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-09-03 19:49:15,271 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:49:15,271 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-09-03 19:49:15,271 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-09-03 19:49:15,272 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-09-03 19:49:15,272 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:49:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 07:49:15 BoogieIcfgContainer [2019-09-03 19:49:15,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 19:49:15,289 INFO L168 Benchmark]: Toolchain (without parser) took 1987.69 ms. Allocated memory was 133.7 MB in the beginning and 226.5 MB in the end (delta: 92.8 MB). Free memory was 88.5 MB in the beginning and 176.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,290 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.88 ms. Allocated memory is still 133.7 MB. Free memory was 88.3 MB in the beginning and 79.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,292 INFO L168 Benchmark]: Boogie Preprocessor took 120.29 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.0 MB in the beginning and 177.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,293 INFO L168 Benchmark]: RCFGBuilder took 226.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 165.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,294 INFO L168 Benchmark]: TraceAbstraction took 1411.93 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 165.7 MB in the beginning and 176.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-03 19:49:15,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.88 ms. Allocated memory is still 133.7 MB. Free memory was 88.3 MB in the beginning and 79.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.29 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.0 MB in the beginning and 177.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 165.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1411.93 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 165.7 MB in the beginning and 176.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 24]: Loop Invariant Derived loop invariant: (glob2_pathlim_off <= MAXPATHLEN && 0 < MAXPATHLEN) && 0 <= glob2_p_off - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 32 SDslu, 161 SDs, 0 SdLazy, 139 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=2, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 16 PreInvPairs, 27 NumberOfFragments, 42 HoareAnnotationTreeSize, 16 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 85 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 4671 SizeOfPredicates, 5 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 32/44 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...