/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/id_b5_o10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:08:33,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:08:33,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:08:33,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:08:33,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:08:33,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:08:33,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:08:33,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:08:33,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:08:33,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:08:33,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:08:33,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:08:33,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:08:33,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:08:33,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:08:33,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:08:33,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:08:33,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:08:33,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:08:33,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:08:33,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:08:33,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:08:33,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:08:33,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:08:33,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 13:08:33,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:08:33,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:08:33,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:08:33,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:08:33,201 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:08:33,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:08:33,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:08:33,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:08:33,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:08:33,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:08:33,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:08:33,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:08:33,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:08:33,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:08:33,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:08:33,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:08:33,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:08:33,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:08:33,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:08:33,205 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:08:33,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:08:33,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:08:33,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:08:33,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:08:33,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:08:33,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:08:33,206 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:08:33,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:08:33,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:08:33,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:08:33,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:08:33,507 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:08:33,508 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_b5_o10-2.c [2020-07-07 13:08:33,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e998407cd/e6c5b6a934714e738d344bed9f0e1ea3/FLAG59fac0be3 [2020-07-07 13:08:34,036 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:08:34,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id_b5_o10-2.c [2020-07-07 13:08:34,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e998407cd/e6c5b6a934714e738d344bed9f0e1ea3/FLAG59fac0be3 [2020-07-07 13:08:34,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e998407cd/e6c5b6a934714e738d344bed9f0e1ea3 [2020-07-07 13:08:34,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:08:34,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:08:34,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:08:34,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:08:34,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:08:34,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7406a98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34, skipping insertion in model container [2020-07-07 13:08:34,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:08:34,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:08:34,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:08:34,635 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:08:34,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:08:34,665 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:08:34,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34 WrapperNode [2020-07-07 13:08:34,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:08:34,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:08:34,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:08:34,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:08:34,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (1/1) ... [2020-07-07 13:08:34,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:08:34,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:08:34,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:08:34,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:08:34,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (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 [2020-07-07 13:08:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:08:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:08:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-07 13:08:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:08:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:08:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:08:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-07 13:08:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:08:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:08:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:08:35,031 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:08:35,031 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 13:08:35,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:08:35 BoogieIcfgContainer [2020-07-07 13:08:35,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:08:35,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:08:35,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:08:35,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:08:35,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:08:34" (1/3) ... [2020-07-07 13:08:35,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a602dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:08:35, skipping insertion in model container [2020-07-07 13:08:35,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:08:34" (2/3) ... [2020-07-07 13:08:35,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a602dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:08:35, skipping insertion in model container [2020-07-07 13:08:35,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:08:35" (3/3) ... [2020-07-07 13:08:35,044 INFO L109 eAbstractionObserver]: Analyzing ICFG id_b5_o10-2.c [2020-07-07 13:08:35,055 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:08:35,063 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:08:35,079 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:08:35,105 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:08:35,105 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:08:35,105 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:08:35,106 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:08:35,106 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:08:35,106 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:08:35,106 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:08:35,106 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:08:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-07 13:08:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-07 13:08:35,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:08:35,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:08:35,140 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:08:35,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:08:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash 856871792, now seen corresponding path program 1 times [2020-07-07 13:08:35,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:08:35,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168261224] [2020-07-07 13:08:35,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:08:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:08:35,446 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:08:35,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168261224] [2020-07-07 13:08:35,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:08:35,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:08:35,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463564343] [2020-07-07 13:08:35,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:08:35,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:08:35,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:08:35,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:08:35,470 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2020-07-07 13:08:35,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:08:35,564 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-07-07 13:08:35,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 13:08:35,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-07 13:08:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:08:35,575 INFO L225 Difference]: With dead ends: 44 [2020-07-07 13:08:35,575 INFO L226 Difference]: Without dead ends: 28 [2020-07-07 13:08:35,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:08:35,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-07 13:08:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-07 13:08:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-07 13:08:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-07-07 13:08:35,625 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2020-07-07 13:08:35,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:08:35,626 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-07-07 13:08:35,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:08:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-07-07 13:08:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-07 13:08:35,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:08:35,628 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:08:35,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:08:35,629 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:08:35,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:08:35,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1774609951, now seen corresponding path program 1 times [2020-07-07 13:08:35,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:08:35,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169883443] [2020-07-07 13:08:35,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 13 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 13 to 23 Garbage collection #2: 23 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 23 to 43 Garbage collection #3: 43 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 43 to 83 [2020-07-07 13:08:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 13:08:35,967 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:08:35,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169883443] [2020-07-07 13:08:35,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:08:35,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:08:35,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141892246] [2020-07-07 13:08:35,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:08:35,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:08:35,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:08:35,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:08:35,971 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 9 states. [2020-07-07 13:08:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:08:36,069 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2020-07-07 13:08:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 13:08:36,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-07-07 13:08:36,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:08:36,072 INFO L225 Difference]: With dead ends: 55 [2020-07-07 13:08:36,072 INFO L226 Difference]: Without dead ends: 37 [2020-07-07 13:08:36,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-07 13:08:36,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-07 13:08:36,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-07-07 13:08:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-07 13:08:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-07-07 13:08:36,086 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 28 [2020-07-07 13:08:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:08:36,086 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-07-07 13:08:36,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:08:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-07-07 13:08:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-07 13:08:36,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:08:36,089 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:08:36,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:08:36,089 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:08:36,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:08:36,090 INFO L82 PathProgramCache]: Analyzing trace with hash 41013968, now seen corresponding path program 1 times [2020-07-07 13:08:36,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:08:36,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623357463] [2020-07-07 13:08:36,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 11 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 11 to 19 Garbage collection #2: 19 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 19 to 37 Garbage collection #3: 37 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 37 to 73 [2020-07-07 13:08:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:08:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-07 13:08:36,374 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:08:36,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623357463] [2020-07-07 13:08:36,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:08:36,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 13:08:36,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797387067] [2020-07-07 13:08:36,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 13:08:36,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:08:36,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 13:08:36,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-07 13:08:36,377 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 14 states. [2020-07-07 13:08:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:08:36,451 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-07-07 13:08:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 13:08:36,451 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-07-07 13:08:36,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:08:36,452 INFO L225 Difference]: With dead ends: 43 [2020-07-07 13:08:36,452 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:08:36,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-07 13:08:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:08:36,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:08:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:08:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:08:36,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-07-07 13:08:36,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:08:36,455 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:08:36,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 13:08:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:08:36,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:08:36,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:08:36,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:08:36,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,665 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-07 13:08:36,666 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: false [2020-07-07 13:08:36,666 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 17) the Hoare annotation is: true [2020-07-07 13:08:36,666 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 17) the Hoare annotation is: true [2020-07-07 13:08:36,666 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: false [2020-07-07 13:08:36,666 INFO L264 CegarLoopResult]: At program point L14(lines 14 16) the Hoare annotation is: (<= main_~result~0 5) [2020-07-07 13:08:36,667 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-07-07 13:08:36,667 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-07-07 13:08:36,667 INFO L264 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (<= |main_#t~ret2| 5) [2020-07-07 13:08:36,667 INFO L271 CegarLoopResult]: At program point L14-2(lines 11 17) the Hoare annotation is: true [2020-07-07 13:08:36,667 INFO L271 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-07-07 13:08:36,668 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (<= |main_#t~ret2| 5) [2020-07-07 13:08:36,668 INFO L264 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: (and (<= |main_#t~ret2| 5) (<= main_~result~0 5)) [2020-07-07 13:08:36,668 INFO L264 CegarLoopResult]: At program point idFINAL(lines 4 9) the Hoare annotation is: (let ((.cse0 (= id_~ret~0 |id_#res|))) (or (and .cse0 (= 1 id_~ret~0)) (and .cse0 (= 2 id_~ret~0)) (= 0 |id_#res|))) [2020-07-07 13:08:36,668 INFO L264 CegarLoopResult]: At program point idEXIT(lines 4 9) the Hoare annotation is: (or (and (= id_~ret~0 |id_#res|) (= 1 id_~ret~0)) (= 0 |id_#res|)) [2020-07-07 13:08:36,668 INFO L271 CegarLoopResult]: At program point idENTRY(lines 4 9) the Hoare annotation is: true [2020-07-07 13:08:36,669 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (or (= 1 id_~ret~0) (= 2 id_~ret~0)) [2020-07-07 13:08:36,669 INFO L264 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (or (= 1 id_~ret~0) (= 2 id_~ret~0)) [2020-07-07 13:08:36,669 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-07-07 13:08:36,669 INFO L264 CegarLoopResult]: At program point L7-1(line 7) the Hoare annotation is: false [2020-07-07 13:08:36,669 INFO L271 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: true [2020-07-07 13:08:36,670 INFO L264 CegarLoopResult]: At program point L6-1(line 6) the Hoare annotation is: (or (= 0 |id_#t~ret0|) (and (= 1 id_~ret~0) (= |id_#t~ret0| id_~ret~0))) [2020-07-07 13:08:36,670 INFO L271 CegarLoopResult]: At program point L5-1(line 5) the Hoare annotation is: true [2020-07-07 13:08:36,670 INFO L264 CegarLoopResult]: At program point L6-2(line 6) the Hoare annotation is: (or (= 0 |id_#t~ret0|) (and (= 1 id_~ret~0) (= |id_#t~ret0| id_~ret~0))) [2020-07-07 13:08:36,670 INFO L264 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (let ((.cse0 (= id_~ret~0 (+ |id_#t~ret0| 1)))) (or (and (= 0 |id_#t~ret0|) .cse0) (and (= 1 |id_#t~ret0|) .cse0))) [2020-07-07 13:08:36,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 01:08:36 BoogieIcfgContainer [2020-07-07 13:08:36,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 13:08:36,691 INFO L168 Benchmark]: Toolchain (without parser) took 2255.41 ms. Allocated memory was 142.1 MB in the beginning and 228.1 MB in the end (delta: 86.0 MB). Free memory was 100.5 MB in the beginning and 154.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,692 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 142.1 MB. Free memory was 100.3 MB in the beginning and 91.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,694 INFO L168 Benchmark]: Boogie Preprocessor took 25.49 ms. Allocated memory is still 142.1 MB. Free memory was 91.0 MB in the beginning and 89.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,695 INFO L168 Benchmark]: RCFGBuilder took 343.13 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 89.6 MB in the beginning and 167.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,696 INFO L168 Benchmark]: TraceAbstraction took 1651.90 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 166.8 MB in the beginning and 154.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2020-07-07 13:08:36,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 142.1 MB. Free memory was 100.3 MB in the beginning and 91.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.49 ms. Allocated memory is still 142.1 MB. Free memory was 91.0 MB in the beginning and 89.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.13 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 89.6 MB in the beginning and 167.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1651.90 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 166.8 MB in the beginning and 154.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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 - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 4]: Procedure Contract for id Derived contract for procedure id: (ret == \result && 1 == ret) || 0 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 20 SDslu, 357 SDs, 0 SdLazy, 142 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 9 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=2, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 42 PreInvPairs, 91 NumberOfFragments, 119 HoareAnnotationTreeSize, 42 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 49 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...