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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-new/count_by_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 20:56:33,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 20:56:33,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 20:56:33,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 20:56:33,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-03 20:56:33,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 20:56:33,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 20:56:33,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 20:56:33,579 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 20:56:33,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 20:56:33,580 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 20:56:33,580 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 20:56:33,580 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 20:56:33,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 20:56:33,581 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 20:56:33,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 20:56:33,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 20:56:33,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 20:56:33,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 20:56:33,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 20:56:33,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 20:56:33,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 20:56:33,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 20:56:33,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 20:56:33,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 20:56:33,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 20:56:33,583 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 20:56:33,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 20:56:33,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 20:56:33,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 20:56:33,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 20:56:33,584 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 20:56:33,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 20:56:33,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 20:56:33,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 20:56:33,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 20:56:33,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 20:56:33,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 20:56:33,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 20:56:33,630 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 20:56:33,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_1.i [2019-09-03 20:56:33,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4613f6f/ac87ffb9238b453abe476ac3ce0225e7/FLAG133eeee5b [2019-09-03 20:56:34,056 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 20:56:34,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_1.i [2019-09-03 20:56:34,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4613f6f/ac87ffb9238b453abe476ac3ce0225e7/FLAG133eeee5b [2019-09-03 20:56:34,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4613f6f/ac87ffb9238b453abe476ac3ce0225e7 [2019-09-03 20:56:34,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 20:56:34,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 20:56:34,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 20:56:34,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 20:56:34,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 20:56:34,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a11b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34, skipping insertion in model container [2019-09-03 20:56:34,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 20:56:34,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 20:56:34,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:56:34,660 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 20:56:34,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:56:34,694 INFO L192 MainTranslator]: Completed translation [2019-09-03 20:56:34,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34 WrapperNode [2019-09-03 20:56:34,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 20:56:34,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 20:56:34,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 20:56:34,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 20:56:34,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (1/1) ... [2019-09-03 20:56:34,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 20:56:34,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 20:56:34,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 20:56:34,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 20:56:34,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (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 20:56:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 20:56:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 20:56:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 20:56:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 20:56:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 20:56:35,008 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 20:56:35,009 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 20:56:35,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:56:35 BoogieIcfgContainer [2019-09-03 20:56:35,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 20:56:35,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 20:56:35,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 20:56:35,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 20:56:35,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 08:56:34" (1/3) ... [2019-09-03 20:56:35,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f91d787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:56:35, skipping insertion in model container [2019-09-03 20:56:35,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:56:34" (2/3) ... [2019-09-03 20:56:35,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f91d787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:56:35, skipping insertion in model container [2019-09-03 20:56:35,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:56:35" (3/3) ... [2019-09-03 20:56:35,019 INFO L109 eAbstractionObserver]: Analyzing ICFG count_by_1.i [2019-09-03 20:56:35,026 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 20:56:35,033 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 20:56:35,049 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 20:56:35,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 20:56:35,075 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-03 20:56:35,075 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 20:56:35,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 20:56:35,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 20:56:35,075 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 20:56:35,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 20:56:35,075 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 20:56:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-09-03 20:56:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-03 20:56:35,096 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:56:35,096 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:56:35,098 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:56:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:56:35,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1871509567, now seen corresponding path program 1 times [2019-09-03 20:56:35,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:56:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:56:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,144 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:56:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:56:35,189 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 20:56:35,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:56:35,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-03 20:56:35,192 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-03 20:56:35,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-03 20:56:35,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-03 20:56:35,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-03 20:56:35,210 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-09-03 20:56:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:56:35,224 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-09-03 20:56:35,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-03 20:56:35,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-09-03 20:56:35,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:56:35,232 INFO L225 Difference]: With dead ends: 19 [2019-09-03 20:56:35,232 INFO L226 Difference]: Without dead ends: 12 [2019-09-03 20:56:35,234 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-03 20:56:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-09-03 20:56:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-09-03 20:56:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-09-03 20:56:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-09-03 20:56:35,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2019-09-03 20:56:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:56:35,266 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-09-03 20:56:35,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-03 20:56:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-09-03 20:56:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-03 20:56:35,267 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:56:35,267 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:56:35,268 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:56:35,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:56:35,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1877050693, now seen corresponding path program 1 times [2019-09-03 20:56:35,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:56:35,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:56:35,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,270 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:56:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:56:35,317 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 20:56:35,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:56:35,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-03 20:56:35,318 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-03 20:56:35,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-03 20:56:35,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-03 20:56:35,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-03 20:56:35,321 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-09-03 20:56:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:56:35,366 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-09-03 20:56:35,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-03 20:56:35,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-09-03 20:56:35,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:56:35,368 INFO L225 Difference]: With dead ends: 14 [2019-09-03 20:56:35,369 INFO L226 Difference]: Without dead ends: 14 [2019-09-03 20:56:35,370 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-03 20:56:35,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-09-03 20:56:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-09-03 20:56:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-09-03 20:56:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-09-03 20:56:35,374 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2019-09-03 20:56:35,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:56:35,375 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-09-03 20:56:35,375 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-03 20:56:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-09-03 20:56:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-03 20:56:35,376 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:56:35,376 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:56:35,377 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:56:35,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:56:35,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1175909113, now seen corresponding path program 1 times [2019-09-03 20:56:35,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:56:35,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:56:35,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,382 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:56:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:56:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:56:35,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-03 20:56:35,500 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-03 20:56:35,501 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2019-09-03 20:56:35,504 INFO L207 CegarAbsIntRunner]: [0], [4], [10], [12], [14], [21], [24], [26], [32], [33], [34], [36] [2019-09-03 20:56:35,565 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-03 20:56:35,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 20:56:35,702 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 20:56:35,704 INFO L272 AbstractInterpreter]: Visited 12 different actions 27 times. Merged at 2 different actions 10 times. Widened at 1 different actions 1 times. Performed 45 root evaluator evaluations with a maximum evaluation depth of 4. Performed 45 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 2 variables. [2019-09-03 20:56:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:56:35,708 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-03 20:56:35,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-03 20:56:35,708 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 20:56:35,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:56:35,731 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-03 20:56:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:56:35,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-03 20:56:35,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-03 20:56:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:56:35,779 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-03 20:56:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:56:35,824 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-03 20:56:35,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2019-09-03 20:56:35,825 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-03 20:56:35,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-03 20:56:35,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-03 20:56:35,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-03 20:56:35,827 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 4 states. [2019-09-03 20:56:35,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:56:35,848 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-09-03 20:56:35,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-03 20:56:35,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-03 20:56:35,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:56:35,850 INFO L225 Difference]: With dead ends: 16 [2019-09-03 20:56:35,851 INFO L226 Difference]: Without dead ends: 16 [2019-09-03 20:56:35,851 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-03 20:56:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-09-03 20:56:35,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-09-03 20:56:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-09-03 20:56:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-09-03 20:56:35,857 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2019-09-03 20:56:35,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:56:35,858 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-09-03 20:56:35,858 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-03 20:56:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-09-03 20:56:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-03 20:56:35,859 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:56:35,860 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:56:35,860 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:56:35,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:56:35,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1607619511, now seen corresponding path program 2 times [2019-09-03 20:56:35,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:56:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:56:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:56:35,865 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:56:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:56:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-03 20:56:35,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:56:35,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-03 20:56:35,969 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-03 20:56:35,970 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-03 20:56:35,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-03 20:56:35,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-03 20:56:35,971 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 7 states. [2019-09-03 20:56:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:56:36,005 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-09-03 20:56:36,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-03 20:56:36,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-09-03 20:56:36,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:56:36,005 INFO L225 Difference]: With dead ends: 13 [2019-09-03 20:56:36,006 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 20:56:36,006 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-03 20:56:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 20:56:36,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 20:56:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 20:56:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 20:56:36,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-09-03 20:56:36,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:56:36,007 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 20:56:36,007 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-03 20:56:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 20:56:36,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 20:56:36,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 08:56:36 BoogieIcfgContainer [2019-09-03 20:56:36,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 20:56:36,016 INFO L168 Benchmark]: Toolchain (without parser) took 1561.18 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 86.2 MB in the beginning and 113.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,017 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.23 ms. Allocated memory is still 139.5 MB. Free memory was 86.0 MB in the beginning and 76.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,019 INFO L168 Benchmark]: Boogie Preprocessor took 120.92 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 76.6 MB in the beginning and 180.4 MB in the end (delta: -103.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,020 INFO L168 Benchmark]: RCFGBuilder took 195.02 ms. Allocated memory is still 200.8 MB. Free memory was 180.4 MB in the beginning and 168.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,021 INFO L168 Benchmark]: TraceAbstraction took 1000.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.8 MB in the beginning and 113.7 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-09-03 20:56:36,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.23 ms. Allocated memory is still 139.5 MB. Free memory was 86.0 MB in the beginning and 76.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.92 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 76.6 MB in the beginning and 180.4 MB in the end (delta: -103.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 195.02 ms. Allocated memory is still 200.8 MB. Free memory was 180.4 MB in the beginning and 168.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1000.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.8 MB in the beginning and 113.7 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 7 SDslu, 45 SDs, 0 SdLazy, 30 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 1118 SizeOfPredicates, 1 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...