java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:05:39,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:05:39,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:05:39,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:05:39,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:05:39,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:05:39,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:05:39,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:05:39,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:05:39,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:05:39,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:05:39,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:05:39,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:05:39,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:05:39,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:05:39,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:05:39,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:05:39,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:05:39,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:05:39,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:05:39,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:05:39,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:05:39,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:05:39,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:05:39,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:05:39,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:05:39,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:05:39,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:05:39,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:05:39,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:05:39,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:05:39,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:05:39,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:05:39,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:05:39,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:05:39,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:05:39,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:05:39,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:05:39,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:05:39,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:05:39,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:05:39,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:05:39,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:05:39,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:05:39,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:05:39,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:05:39,236 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:05:39,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:05:39,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:05:39,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:05:39,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:05:39,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:05:39,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:05:39,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:05:39,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:05:39,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:05:39,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:05:39,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:05:39,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:05:39,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:05:39,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:05:39,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:05:39,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:05:39,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:05:39,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:05:39,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:05:39,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:05:39,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:05:39,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:05:39,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:05:39,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:05:39,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:05:39,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:05:39,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:05:39,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:05:39,534 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:05:39,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.i [2019-10-15 01:05:39,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d03f13b/8c594a58a7e2409297a728fada489d9b/FLAGc2ae70b6c [2019-10-15 01:05:40,020 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:05:40,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.i [2019-10-15 01:05:40,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d03f13b/8c594a58a7e2409297a728fada489d9b/FLAGc2ae70b6c [2019-10-15 01:05:40,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d03f13b/8c594a58a7e2409297a728fada489d9b [2019-10-15 01:05:40,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:05:40,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:05:40,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:05:40,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:05:40,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:05:40,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b04d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40, skipping insertion in model container [2019-10-15 01:05:40,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:05:40,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:05:40,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:05:40,635 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:05:40,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:05:40,659 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:05:40,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40 WrapperNode [2019-10-15 01:05:40,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:05:40,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:05:40,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:05:40,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:05:40,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... [2019-10-15 01:05:40,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:05:40,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:05:40,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:05:40,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:05:40,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:05:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:05:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:05:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:05:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:05:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:05:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:05:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:05:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:05:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:05:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:05:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:05:40,980 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:05:40,980 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:05:40,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:05:40 BoogieIcfgContainer [2019-10-15 01:05:40,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:05:40,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:05:40,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:05:40,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:05:40,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:05:40" (1/3) ... [2019-10-15 01:05:40,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af92530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:05:40, skipping insertion in model container [2019-10-15 01:05:40,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:05:40" (2/3) ... [2019-10-15 01:05:40,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af92530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:05:40, skipping insertion in model container [2019-10-15 01:05:40,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:05:40" (3/3) ... [2019-10-15 01:05:40,989 INFO L109 eAbstractionObserver]: Analyzing ICFG gsv2008.i [2019-10-15 01:05:40,998 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:05:41,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:05:41,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:05:41,041 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:05:41,041 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:05:41,041 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:05:41,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:05:41,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:05:41,042 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:05:41,042 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:05:41,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:05:41,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-15 01:05:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-15 01:05:41,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:05:41,062 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:05:41,063 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:05:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:05:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 578729635, now seen corresponding path program 1 times [2019-10-15 01:05:41,074 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:05:41,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510043879] [2019-10-15 01:05:41,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:05:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:05:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:05:41,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510043879] [2019-10-15 01:05:41,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:05:41,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:05:41,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144995034] [2019-10-15 01:05:41,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:05:41,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:05:41,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:05:41,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:05:41,196 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-15 01:05:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:05:41,218 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2019-10-15 01:05:41,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:05:41,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-15 01:05:41,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:05:41,227 INFO L225 Difference]: With dead ends: 31 [2019-10-15 01:05:41,227 INFO L226 Difference]: Without dead ends: 12 [2019-10-15 01:05:41,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:05:41,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-15 01:05:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-15 01:05:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-15 01:05:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-15 01:05:41,267 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2019-10-15 01:05:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:05:41,268 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-10-15 01:05:41,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:05:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-15 01:05:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-15 01:05:41,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:05:41,269 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:05:41,270 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:05:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:05:41,270 INFO L82 PathProgramCache]: Analyzing trace with hash 575035551, now seen corresponding path program 1 times [2019-10-15 01:05:41,270 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:05:41,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843074751] [2019-10-15 01:05:41,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:05:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:05:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:05:41,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843074751] [2019-10-15 01:05:41,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:05:41,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:05:41,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152079702] [2019-10-15 01:05:41,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:05:41,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:05:41,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:05:41,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:05:41,344 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-10-15 01:05:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:05:41,391 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-10-15 01:05:41,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:05:41,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-10-15 01:05:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:05:41,393 INFO L225 Difference]: With dead ends: 18 [2019-10-15 01:05:41,393 INFO L226 Difference]: Without dead ends: 13 [2019-10-15 01:05:41,394 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:05:41,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-10-15 01:05:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-10-15 01:05:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-15 01:05:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-10-15 01:05:41,399 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-10-15 01:05:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:05:41,400 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-10-15 01:05:41,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:05:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-10-15 01:05:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-15 01:05:41,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:05:41,401 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:05:41,401 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:05:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:05:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash 681770644, now seen corresponding path program 1 times [2019-10-15 01:05:41,402 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:05:41,403 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334535454] [2019-10-15 01:05:41,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:05:41,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:05:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:05:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:05:41,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334535454] [2019-10-15 01:05:41,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167735991] [2019-10-15 01:05:41,598 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 [2019-10-15 01:05:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:05:41,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-15 01:05:41,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:05:41,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:05:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:05:41,741 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:05:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:05:41,803 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 01:05:41,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 13 [2019-10-15 01:05:41,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296841684] [2019-10-15 01:05:41,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:05:41,805 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:05:41,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:05:41,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:05:41,806 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 10 states. [2019-10-15 01:05:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:05:41,886 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-10-15 01:05:41,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:05:41,886 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-10-15 01:05:41,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:05:41,887 INFO L225 Difference]: With dead ends: 13 [2019-10-15 01:05:41,887 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:05:41,888 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-10-15 01:05:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:05:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:05:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:05:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:05:41,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-10-15 01:05:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:05:41,890 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:05:41,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:05:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:05:41,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:05:42,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:05:42,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:05:42,157 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-15 01:05:42,157 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:05:42,158 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:05:42,158 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:05:42,159 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:05:42,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:05:42,159 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 21) the Hoare annotation is: true [2019-10-15 01:05:42,159 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 21) no Hoare annotation was computed. [2019-10-15 01:05:42,159 INFO L443 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2019-10-15 01:05:42,159 INFO L443 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-10-15 01:05:42,160 INFO L439 ceAbstractionStarter]: At program point L15-2(lines 15 18) the Hoare annotation is: (or (<= (+ main_~x~0 50) 0) (<= (+ main_~x~0 2) main_~y~0)) [2019-10-15 01:05:42,160 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 21) no Hoare annotation was computed. [2019-10-15 01:05:42,160 INFO L439 ceAbstractionStarter]: At program point L15-3(lines 15 18) the Hoare annotation is: (and (<= (+ main_~x~0 2) main_~y~0) (<= 2 main_~y~0)) [2019-10-15 01:05:42,160 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-15 01:05:42,160 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-15 01:05:42,161 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-15 01:05:42,161 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-15 01:05:42,161 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-15 01:05:42,161 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-15 01:05:42,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:05:42 BoogieIcfgContainer [2019-10-15 01:05:42,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:05:42,185 INFO L168 Benchmark]: Toolchain (without parser) took 1749.42 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 104.2 MB in the beginning and 109.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:42,185 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:05:42,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.30 ms. Allocated memory is still 146.3 MB. Free memory was 103.8 MB in the beginning and 94.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:42,191 INFO L168 Benchmark]: Boogie Preprocessor took 104.09 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.7 MB in the beginning and 182.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:42,193 INFO L168 Benchmark]: RCFGBuilder took 216.60 ms. Allocated memory is still 202.9 MB. Free memory was 182.0 MB in the beginning and 169.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:42,194 INFO L168 Benchmark]: TraceAbstraction took 1196.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 109.7 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:05:42,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.30 ms. Allocated memory is still 146.3 MB. Free memory was 103.8 MB in the beginning and 94.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.09 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.7 MB in the beginning and 182.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.60 ms. Allocated memory is still 202.9 MB. Free memory was 182.0 MB in the beginning and 169.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1196.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 109.7 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: x + 50 <= 0 || x + 2 <= y - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 3 SDslu, 34 SDs, 0 SdLazy, 32 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 25 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127 SizeOfPredicates, 5 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...