/usr/bin/java -ea -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/recursive-simple/afterrec-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:09:03,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:09:03,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:09:03,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:09:03,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:09:03,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:09:03,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:09:03,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:09:03,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:09:03,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:09:03,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:09:03,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:09:03,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:09:03,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:09:03,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:09:03,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:09:03,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:09:03,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:09:03,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:09:03,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:09:03,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:09:03,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:09:03,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:09:03,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:09:03,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:09:03,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:09:03,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:09:03,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:09:03,178 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 [2020-07-17 22:09:03,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:09:03,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:09:03,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:09:03,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:09:03,195 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:09:03,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:09:03,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:09:03,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:09:03,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:09:03,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:09:03,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:09:03,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:09:03,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:09:03,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:09:03,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:09:03,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:09:03,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:09:03,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:09:03,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:09:03,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:09:03,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:09:03,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:09:03,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:09:03,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:09:03,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:09:03,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:09:03,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:09:03,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:09:03,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:09:03,499 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:09:03,500 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/afterrec-2.c [2020-07-17 22:09:03,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a9deb16/637cb67eceea4734b417359a5357efb4/FLAGe0c23f802 [2020-07-17 22:09:04,038 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:09:04,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/afterrec-2.c [2020-07-17 22:09:04,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a9deb16/637cb67eceea4734b417359a5357efb4/FLAGe0c23f802 [2020-07-17 22:09:04,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a9deb16/637cb67eceea4734b417359a5357efb4 [2020-07-17 22:09:04,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:09:04,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:09:04,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:09:04,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:09:04,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:09:04,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634dbffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04, skipping insertion in model container [2020-07-17 22:09:04,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:09:04,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:09:04,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:09:04,671 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:09:04,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:09:04,709 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:09:04,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04 WrapperNode [2020-07-17 22:09:04,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:09:04,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:09:04,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:09:04,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:09:04,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (1/1) ... [2020-07-17 22:09:04,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:09:04,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:09:04,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:09:04,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:09:04,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (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 [2020-07-17 22:09:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:09:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:09:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-17 22:09:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:09:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:09:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-17 22:09:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:09:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:09:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:09:05,045 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:09:05,045 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:09:05,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:09:05 BoogieIcfgContainer [2020-07-17 22:09:05,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:09:05,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:09:05,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:09:05,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:09:05,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:09:04" (1/3) ... [2020-07-17 22:09:05,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16130d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:09:05, skipping insertion in model container [2020-07-17 22:09:05,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:09:04" (2/3) ... [2020-07-17 22:09:05,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16130d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:09:05, skipping insertion in model container [2020-07-17 22:09:05,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:09:05" (3/3) ... [2020-07-17 22:09:05,057 INFO L109 eAbstractionObserver]: Analyzing ICFG afterrec-2.c [2020-07-17 22:09:05,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:09:05,075 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:09:05,088 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:09:05,111 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:09:05,111 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:09:05,112 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:09:05,112 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:09:05,112 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:09:05,112 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:09:05,112 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:09:05,112 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:09:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-07-17 22:09:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 22:09:05,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:09:05,136 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:09:05,136 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:09:05,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:09:05,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1715138264, now seen corresponding path program 1 times [2020-07-17 22:09:05,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:09:05,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930855636] [2020-07-17 22:09:05,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:09:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:09:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:09:05,369 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#true} assume true; {19#true} is VALID [2020-07-17 22:09:05,370 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {19#true} {19#true} #19#return; {19#true} is VALID [2020-07-17 22:09:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:09:05,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#true} ~n := #in~n; {19#true} is VALID [2020-07-17 22:09:05,439 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#true} assume ~n < 3; {19#true} is VALID [2020-07-17 22:09:05,439 INFO L280 TraceCheckUtils]: 2: Hoare triple {19#true} assume true; {19#true} is VALID [2020-07-17 22:09:05,440 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19#true} {20#false} #17#return; {20#false} is VALID [2020-07-17 22:09:05,440 INFO L263 TraceCheckUtils]: 0: Hoare triple {19#true} call ULTIMATE.init(); {19#true} is VALID [2020-07-17 22:09:05,441 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#true} assume true; {19#true} is VALID [2020-07-17 22:09:05,441 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {19#true} {19#true} #19#return; {19#true} is VALID [2020-07-17 22:09:05,441 INFO L263 TraceCheckUtils]: 3: Hoare triple {19#true} call #t~ret1 := main(); {19#true} is VALID [2020-07-17 22:09:05,451 INFO L263 TraceCheckUtils]: 4: Hoare triple {19#true} call f(2); {23#(<= |f_#in~n| 2)} is VALID [2020-07-17 22:09:05,459 INFO L280 TraceCheckUtils]: 5: Hoare triple {23#(<= |f_#in~n| 2)} ~n := #in~n; {24#(<= f_~n 2)} is VALID [2020-07-17 22:09:05,473 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#(<= f_~n 2)} assume !(~n < 3);#t~post0 := ~n;~n := #t~post0 - 1;havoc #t~post0; {20#false} is VALID [2020-07-17 22:09:05,473 INFO L263 TraceCheckUtils]: 7: Hoare triple {20#false} call f(~n); {20#false} is VALID [2020-07-17 22:09:05,473 INFO L280 TraceCheckUtils]: 8: Hoare triple {20#false} ~n := #in~n; {20#false} is VALID [2020-07-17 22:09:05,474 INFO L280 TraceCheckUtils]: 9: Hoare triple {20#false} assume !(~n < 3);#t~post0 := ~n;~n := #t~post0 - 1;havoc #t~post0; {20#false} is VALID [2020-07-17 22:09:05,474 INFO L263 TraceCheckUtils]: 10: Hoare triple {20#false} call f(~n); {19#true} is VALID [2020-07-17 22:09:05,474 INFO L280 TraceCheckUtils]: 11: Hoare triple {19#true} ~n := #in~n; {19#true} is VALID [2020-07-17 22:09:05,475 INFO L280 TraceCheckUtils]: 12: Hoare triple {19#true} assume ~n < 3; {19#true} is VALID [2020-07-17 22:09:05,475 INFO L280 TraceCheckUtils]: 13: Hoare triple {19#true} assume true; {19#true} is VALID [2020-07-17 22:09:05,475 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {19#true} {20#false} #17#return; {20#false} is VALID [2020-07-17 22:09:05,476 INFO L280 TraceCheckUtils]: 15: Hoare triple {20#false} assume !false; {20#false} is VALID [2020-07-17 22:09:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:09:05,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930855636] [2020-07-17 22:09:05,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204466576] [2020-07-17 22:09:05,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:09:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:09:05,521 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 22:09:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:09:05,538 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:09:05,623 INFO L263 TraceCheckUtils]: 0: Hoare triple {19#true} call ULTIMATE.init(); {19#true} is VALID [2020-07-17 22:09:05,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#true} assume true; {19#true} is VALID [2020-07-17 22:09:05,624 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {19#true} {19#true} #19#return; {19#true} is VALID [2020-07-17 22:09:05,625 INFO L263 TraceCheckUtils]: 3: Hoare triple {19#true} call #t~ret1 := main(); {19#true} is VALID [2020-07-17 22:09:05,626 INFO L263 TraceCheckUtils]: 4: Hoare triple {19#true} call f(2); {23#(<= |f_#in~n| 2)} is VALID [2020-07-17 22:09:05,628 INFO L280 TraceCheckUtils]: 5: Hoare triple {23#(<= |f_#in~n| 2)} ~n := #in~n; {24#(<= f_~n 2)} is VALID [2020-07-17 22:09:05,629 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#(<= f_~n 2)} assume !(~n < 3);#t~post0 := ~n;~n := #t~post0 - 1;havoc #t~post0; {20#false} is VALID [2020-07-17 22:09:05,630 INFO L263 TraceCheckUtils]: 7: Hoare triple {20#false} call f(~n); {20#false} is VALID [2020-07-17 22:09:05,630 INFO L280 TraceCheckUtils]: 8: Hoare triple {20#false} ~n := #in~n; {20#false} is VALID [2020-07-17 22:09:05,630 INFO L280 TraceCheckUtils]: 9: Hoare triple {20#false} assume !(~n < 3);#t~post0 := ~n;~n := #t~post0 - 1;havoc #t~post0; {20#false} is VALID [2020-07-17 22:09:05,631 INFO L263 TraceCheckUtils]: 10: Hoare triple {20#false} call f(~n); {20#false} is VALID [2020-07-17 22:09:05,631 INFO L280 TraceCheckUtils]: 11: Hoare triple {20#false} ~n := #in~n; {20#false} is VALID [2020-07-17 22:09:05,632 INFO L280 TraceCheckUtils]: 12: Hoare triple {20#false} assume ~n < 3; {20#false} is VALID [2020-07-17 22:09:05,632 INFO L280 TraceCheckUtils]: 13: Hoare triple {20#false} assume true; {20#false} is VALID [2020-07-17 22:09:05,632 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {20#false} {20#false} #17#return; {20#false} is VALID [2020-07-17 22:09:05,633 INFO L280 TraceCheckUtils]: 15: Hoare triple {20#false} assume !false; {20#false} is VALID [2020-07-17 22:09:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 22:09:05,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 22:09:05,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2020-07-17 22:09:05,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721933642] [2020-07-17 22:09:05,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-17 22:09:05,647 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:09:05,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:09:05,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:09:05,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:09:05,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:09:05,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:09:05,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:09:05,696 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2020-07-17 22:09:05,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:09:05,793 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2020-07-17 22:09:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:09:05,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-17 22:09:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:09:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:09:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2020-07-17 22:09:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:09:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2020-07-17 22:09:05,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 25 transitions. [2020-07-17 22:09:05,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:09:05,865 INFO L225 Difference]: With dead ends: 24 [2020-07-17 22:09:05,866 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:09:05,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:09:05,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:09:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:09:05,894 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:09:05,895 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:09:05,895 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:09:05,895 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:09:05,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:09:05,896 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:09:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:09:05,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:09:05,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:09:05,897 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:09:05,897 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:09:05,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:09:05,898 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:09:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:09:05,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:09:05,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:09:05,898 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:09:05,899 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:09:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:09:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:09:05,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-07-17 22:09:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:09:05,901 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:09:05,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:09:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:09:05,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:09:06,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-07-17 22:09:06,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:09:06,154 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 22:09:06,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:09:06,155 INFO L268 CegarLoopResult]: For program point fErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2020-07-17 22:09:06,155 INFO L268 CegarLoopResult]: For program point fEXIT(lines 3 8) no Hoare annotation was computed. [2020-07-17 22:09:06,155 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (not (<= |f_#in~n| 2)) [2020-07-17 22:09:06,155 INFO L271 CegarLoopResult]: At program point fENTRY(lines 3 8) the Hoare annotation is: true [2020-07-17 22:09:06,156 INFO L268 CegarLoopResult]: For program point L6-1(lines 3 8) no Hoare annotation was computed. [2020-07-17 22:09:06,156 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-17 22:09:06,156 INFO L268 CegarLoopResult]: For program point fFINAL(lines 3 8) no Hoare annotation was computed. [2020-07-17 22:09:06,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:09:06,156 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:09:06,157 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:09:06,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:09:06,157 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 10 12) the Hoare annotation is: true [2020-07-17 22:09:06,157 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 12) no Hoare annotation was computed. [2020-07-17 22:09:06,157 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 12) no Hoare annotation was computed. [2020-07-17 22:09:06,162 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:09:06,162 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:09:06,162 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:09:06,162 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:09:06,162 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:09:06,163 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:09:06,163 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:09:06,163 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:09:06,163 WARN L170 areAnnotationChecker]: fFINAL has no Hoare annotation [2020-07-17 22:09:06,163 WARN L170 areAnnotationChecker]: L6-1 has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: L6-1 has no Hoare annotation [2020-07-17 22:09:06,164 WARN L170 areAnnotationChecker]: L6-1 has no Hoare annotation [2020-07-17 22:09:06,165 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:09:06,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:09:06 BoogieIcfgContainer [2020-07-17 22:09:06,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:09:06,171 INFO L168 Benchmark]: Toolchain (without parser) took 1725.21 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 103.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,172 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.87 ms. Allocated memory is still 136.3 MB. Free memory was 100.3 MB in the beginning and 91.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,174 INFO L168 Benchmark]: Boogie Preprocessor took 26.85 ms. Allocated memory is still 136.3 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,175 INFO L168 Benchmark]: RCFGBuilder took 311.32 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.0 MB in the beginning and 165.6 MB in the end (delta: -75.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,176 INFO L168 Benchmark]: TraceAbstraction took 1117.56 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 103.4 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:09:06,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.87 ms. Allocated memory is still 136.3 MB. Free memory was 100.3 MB in the beginning and 91.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.85 ms. Allocated memory is still 136.3 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.32 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.0 MB in the beginning and 165.6 MB in the end (delta: -75.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1117.56 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 103.4 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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, 16 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 3, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 5 SDslu, 15 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 9 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 1 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 10/14 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...