/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 23:15:19,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 23:15:19,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 23:15:19,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 23:15:19,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 23:15:19,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 23:15:19,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 23:15:19,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 23:15:19,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 23:15:19,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 23:15:19,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 23:15:19,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 23:15:19,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 23:15:19,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 23:15:19,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 23:15:19,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 23:15:19,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 23:15:19,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 23:15:19,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 23:15:19,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 23:15:19,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 23:15:19,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 23:15:19,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 23:15:19,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 23:15:19,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 23:15:19,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 23:15:19,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 23:15:19,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 23:15:19,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 23:15:19,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 23:15:19,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 23:15:19,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 23:15:19,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 23:15:19,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 23:15:19,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 23:15:19,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 23:15:19,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 23:15:19,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 23:15:19,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 23:15:19,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 23:15:19,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 23:15:19,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 23:15:19,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 23:15:19,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 23:15:19,429 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 23:15:19,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 23:15:19,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 23:15:19,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 23:15:19,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 23:15:19,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 23:15:19,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 23:15:19,430 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 23:15:19,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 23:15:19,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 23:15:19,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 23:15:19,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 23:15:19,959 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 23:15:19,960 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.i [2020-09-04 23:15:20,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6050a6990/aed716028b4a4f03b33e8857d4f2c642/FLAGe94a4ce1c [2020-09-04 23:15:20,653 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 23:15:20,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-lit/jm2006.i [2020-09-04 23:15:20,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6050a6990/aed716028b4a4f03b33e8857d4f2c642/FLAGe94a4ce1c [2020-09-04 23:15:20,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6050a6990/aed716028b4a4f03b33e8857d4f2c642 [2020-09-04 23:15:21,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 23:15:21,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 23:15:21,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 23:15:21,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 23:15:21,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 23:15:21,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e3170a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21, skipping insertion in model container [2020-09-04 23:15:21,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 23:15:21,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 23:15:21,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:15:21,385 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 23:15:21,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:15:21,419 INFO L208 MainTranslator]: Completed translation [2020-09-04 23:15:21,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21 WrapperNode [2020-09-04 23:15:21,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 23:15:21,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 23:15:21,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 23:15:21,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 23:15:21,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... [2020-09-04 23:15:21,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 23:15:21,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 23:15:21,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 23:15:21,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 23:15:21,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 23:15:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 23:15:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 23:15:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 23:15:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 23:15:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 23:15:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 23:15:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 23:15:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 23:15:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 23:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 23:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 23:15:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 23:15:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 23:15:21,944 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 23:15:21,944 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 23:15:21,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:15:21 BoogieIcfgContainer [2020-09-04 23:15:21,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 23:15:21,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 23:15:21,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 23:15:21,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 23:15:21,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:15:21" (1/3) ... [2020-09-04 23:15:21,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62906873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:15:21, skipping insertion in model container [2020-09-04 23:15:21,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:15:21" (2/3) ... [2020-09-04 23:15:21,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62906873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:15:21, skipping insertion in model container [2020-09-04 23:15:21,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:15:21" (3/3) ... [2020-09-04 23:15:21,971 INFO L109 eAbstractionObserver]: Analyzing ICFG jm2006.i [2020-09-04 23:15:21,997 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 23:15:22,010 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 23:15:22,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 23:15:22,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 23:15:22,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 23:15:22,057 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 23:15:22,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 23:15:22,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 23:15:22,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 23:15:22,057 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 23:15:22,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 23:15:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-09-04 23:15:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-04 23:15:22,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:15:22,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:15:22,089 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:15:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:15:22,096 INFO L82 PathProgramCache]: Analyzing trace with hash -47870921, now seen corresponding path program 1 times [2020-09-04 23:15:22,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:15:22,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792108614] [2020-09-04 23:15:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:15:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:15:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:15:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:15:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 23:15:22,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792108614] [2020-09-04 23:15:22,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:15:22,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 23:15:22,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492683279] [2020-09-04 23:15:22,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 23:15:22,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:15:22,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 23:15:22,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-04 23:15:22,627 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 8 states. [2020-09-04 23:15:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:15:22,942 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2020-09-04 23:15:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 23:15:22,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-09-04 23:15:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:15:22,956 INFO L225 Difference]: With dead ends: 64 [2020-09-04 23:15:22,956 INFO L226 Difference]: Without dead ends: 31 [2020-09-04 23:15:22,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-04 23:15:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-04 23:15:23,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2020-09-04 23:15:23,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-04 23:15:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-09-04 23:15:23,019 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 21 [2020-09-04 23:15:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:15:23,020 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2020-09-04 23:15:23,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 23:15:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-09-04 23:15:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-04 23:15:23,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:15:23,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:15:23,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 23:15:23,023 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:15:23,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:15:23,023 INFO L82 PathProgramCache]: Analyzing trace with hash -999978286, now seen corresponding path program 1 times [2020-09-04 23:15:23,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:15:23,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106530339] [2020-09-04 23:15:23,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:15:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:15:23,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:15:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:15:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 23:15:23,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106530339] [2020-09-04 23:15:23,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:15:23,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 23:15:23,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870063084] [2020-09-04 23:15:23,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 23:15:23,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:15:23,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 23:15:23,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-04 23:15:23,399 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 12 states. [2020-09-04 23:15:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:15:23,728 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-09-04 23:15:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 23:15:23,729 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-09-04 23:15:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:15:23,730 INFO L225 Difference]: With dead ends: 31 [2020-09-04 23:15:23,730 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 23:15:23,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-09-04 23:15:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 23:15:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 23:15:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 23:15:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 23:15:23,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-09-04 23:15:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:15:23,734 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 23:15:23,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 23:15:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 23:15:23,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 23:15:23,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 23:15:23,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 23:15:24,065 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,065 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,065 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,066 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,066 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:15:24,066 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-09-04 23:15:24,066 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-09-04 23:15:24,067 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-09-04 23:15:24,067 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-09-04 23:15:24,067 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-09-04 23:15:24,067 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (<= main_~y~0 0)) (.cse1 (< 0 (+ main_~y~0 1)))) (or (and .cse0 (<= main_~i~0 main_~x~0) .cse1 (<= main_~x~0 main_~i~0)) (let ((.cse3 (+ main_~x~0 main_~j~0)) (.cse2 (+ main_~i~0 main_~y~0))) (and (<= .cse2 .cse3) (<= .cse3 .cse2) .cse0 .cse1)))) [2020-09-04 23:15:24,068 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 28) the Hoare annotation is: true [2020-09-04 23:15:24,068 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (let ((.cse1 (+ main_~x~0 main_~j~0)) (.cse0 (+ main_~i~0 main_~y~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-09-04 23:15:24,068 INFO L264 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: (let ((.cse0 (+ |main_#t~post2| main_~j~0)) (.cse2 (+ main_~x~0 main_~j~0)) (.cse1 (+ main_~i~0 main_~y~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse1 .cse2) (<= .cse2 .cse1))) [2020-09-04 23:15:24,069 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= main_~i~0 main_~x~0) (<= main_~x~0 main_~i~0)) [2020-09-04 23:15:24,069 INFO L264 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (+ |main_#t~post2| main_~j~0)) (.cse1 (+ main_~i~0 main_~y~0)) (.cse2 (+ main_~x~0 main_~j~0 1))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse2 .cse1) (<= .cse1 .cse2))) [2020-09-04 23:15:24,069 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-09-04 23:15:24,069 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-09-04 23:15:24,070 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-09-04 23:15:24,070 INFO L271 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: true [2020-09-04 23:15:24,070 INFO L271 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: true [2020-09-04 23:15:24,070 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 28) the Hoare annotation is: true [2020-09-04 23:15:24,070 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 28) the Hoare annotation is: true [2020-09-04 23:15:24,071 INFO L271 CegarLoopResult]: At program point L24(lines 24 26) the Hoare annotation is: true [2020-09-04 23:15:24,071 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (let ((.cse1 (+ main_~i~0 main_~y~0)) (.cse0 (+ main_~x~0 main_~j~0 1))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-09-04 23:15:24,071 INFO L264 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 |main_#t~post3|)) (.cse1 (+ main_~i~0 main_~y~0)) (.cse0 (+ main_~x~0 main_~j~0 1))) (and (<= .cse0 .cse1) (<= .cse0 .cse2) (<= .cse2 .cse0) (<= .cse1 .cse0))) [2020-09-04 23:15:24,072 INFO L264 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse1 (+ main_~x~0 main_~j~0)) (.cse0 (+ main_~i~0 main_~y~0)) (.cse3 (+ main_~i~0 |main_#t~post3|)) (.cse2 (+ main_~x~0 main_~j~0 1))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse2 .cse3) (<= .cse3 .cse2))) [2020-09-04 23:15:24,072 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-09-04 23:15:24,072 INFO L264 CegarLoopResult]: At program point L20-2(lines 20 23) the Hoare annotation is: (let ((.cse1 (+ main_~x~0 main_~j~0)) (.cse0 (+ main_~i~0 main_~y~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-09-04 23:15:24,072 INFO L264 CegarLoopResult]: At program point L20-3(lines 13 28) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~y~0)) (.cse6 (+ main_~x~0 main_~j~0))) (let ((.cse4 (<= .cse2 .cse6)) (.cse0 (<= .cse6 .cse2)) (.cse1 (< 0 (+ main_~y~0 1))) (.cse3 (<= main_~y~0 0))) (or (and (or .cse0 .cse1) (or (<= .cse2 main_~j~0) .cse3) (or (<= main_~j~0 .cse2) .cse1) (or .cse4 .cse3) (<= main_~i~0 main_~x~0) (<= main_~x~0 main_~i~0)) (let ((.cse5 (+ main_~y~0 main_~i~0))) (and .cse4 .cse0 (or (<= main_~j~0 .cse5) .cse1) (or .cse3 (<= .cse5 main_~j~0))))))) [2020-09-04 23:15:24,073 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-09-04 23:15:24,073 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-09-04 23:15:24,073 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-09-04 23:15:24,073 INFO L271 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: true [2020-09-04 23:15:24,073 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-09-04 23:15:24,074 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-09-04 23:15:24,074 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 23:15:24,074 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-09-04 23:15:24,074 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-09-04 23:15:24,075 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 23:15:24,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:15:24 BoogieIcfgContainer [2020-09-04 23:15:24,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 23:15:24,110 INFO L168 Benchmark]: Toolchain (without parser) took 3092.83 ms. Allocated memory was 137.9 MB in the beginning and 232.8 MB in the end (delta: 94.9 MB). Free memory was 101.5 MB in the beginning and 128.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB. [2020-09-04 23:15:24,111 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 137.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 23:15:24,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.99 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 91.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-04 23:15:24,113 INFO L168 Benchmark]: Boogie Preprocessor took 117.30 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 180.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-09-04 23:15:24,114 INFO L168 Benchmark]: RCFGBuilder took 413.50 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 166.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-09-04 23:15:24,115 INFO L168 Benchmark]: TraceAbstraction took 2144.15 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 128.1 MB in the end (delta: 38.0 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2020-09-04 23:15:24,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 137.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 402.99 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 91.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.30 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 180.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.50 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 166.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2144.15 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 128.1 MB in the end (delta: 38.0 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: i + y <= x + j && x + j <= i + y - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 40 SDslu, 253 SDs, 0 SdLazy, 177 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 48 PreInvPairs, 70 NumberOfFragments, 355 HoareAnnotationTreeSize, 48 FomulaSimplifications, 104 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 7215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...