java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 15:45:57,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 15:45:57,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 15:45:57,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 15:45:57,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 15:45:57,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 15:45:57,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 15:45:57,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 15:45:57,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 15:45:57,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 15:45:57,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 15:45:57,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 15:45:57,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 15:45:57,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 15:45:57,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 15:45:57,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 15:45:57,174 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 15:45:57,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 15:45:57,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 15:45:57,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 15:45:57,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 15:45:57,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 15:45:57,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 15:45:57,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 15:45:57,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 15:45:57,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 15:45:57,198 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 15:45:57,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 15:45:57,202 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 15:45:57,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 15:45:57,204 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 15:45:57,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 15:45:57,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 15:45:57,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 15:45:57,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 15:45:57,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 15:45:57,208 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 15:45:57,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 15:45:57,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 15:45:57,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 15:45:57,231 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 15:45:57,231 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 15:45:57,231 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 15:45:57,231 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 15:45:57,232 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 15:45:57,232 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 15:45:57,232 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 15:45:57,232 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 15:45:57,233 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 15:45:57,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 15:45:57,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 15:45:57,234 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 15:45:57,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 15:45:57,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 15:45:57,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 15:45:57,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 15:45:57,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 15:45:57,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 15:45:57,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 15:45:57,235 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 15:45:57,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:45:57,235 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 15:45:57,236 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 15:45:57,237 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 15:45:57,237 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 15:45:57,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 15:45:57,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 15:45:57,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 15:45:57,325 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 15:45:57,325 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 15:45:57,326 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-09-14 15:45:57,692 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43226c591/840b6f0f10934ec287848334c7fda27f/FLAG7cc280cd1 [2018-09-14 15:45:57,844 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 15:45:57,845 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-09-14 15:45:57,850 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43226c591/840b6f0f10934ec287848334c7fda27f/FLAG7cc280cd1 [2018-09-14 15:45:57,867 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43226c591/840b6f0f10934ec287848334c7fda27f [2018-09-14 15:45:57,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 15:45:57,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 15:45:57,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 15:45:57,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 15:45:57,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 15:45:57,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:45:57" (1/1) ... [2018-09-14 15:45:57,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c5c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:57, skipping insertion in model container [2018-09-14 15:45:57,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:45:57" (1/1) ... [2018-09-14 15:45:57,907 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 15:45:58,100 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:45:58,139 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 15:45:58,145 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:45:58,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58 WrapperNode [2018-09-14 15:45:58,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 15:45:58,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 15:45:58,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 15:45:58,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 15:45:58,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 15:45:58,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 15:45:58,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 15:45:58,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 15:45:58,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (1/1) ... [2018-09-14 15:45:58,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 15:45:58,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 15:45:58,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 15:45:58,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 15:45:58,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (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 [2018-09-14 15:45:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 15:45:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 15:45:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 15:45:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 15:45:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 15:45:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 15:45:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-14 15:45:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-14 15:45:59,208 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 15:45:59,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:45:59 BoogieIcfgContainer [2018-09-14 15:45:59,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 15:45:59,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 15:45:59,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 15:45:59,213 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 15:45:59,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 03:45:57" (1/3) ... [2018-09-14 15:45:59,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79e64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:45:59, skipping insertion in model container [2018-09-14 15:45:59,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:45:58" (2/3) ... [2018-09-14 15:45:59,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79e64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:45:59, skipping insertion in model container [2018-09-14 15:45:59,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:45:59" (3/3) ... [2018-09-14 15:45:59,217 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-09-14 15:45:59,228 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 15:45:59,236 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 15:45:59,285 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 15:45:59,286 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 15:45:59,286 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 15:45:59,286 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 15:45:59,286 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 15:45:59,287 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 15:45:59,287 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 15:45:59,287 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 15:45:59,287 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 15:45:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-14 15:45:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-14 15:45:59,312 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:45:59,313 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:45:59,314 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:45:59,319 INFO L82 PathProgramCache]: Analyzing trace with hash -91485938, now seen corresponding path program 1 times [2018-09-14 15:45:59,322 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:45:59,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:45:59,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:45:59,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:45:59,375 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:45:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:45:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:45:59,619 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:45:59,619 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-14 15:45:59,619 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:45:59,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-14 15:45:59,643 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-14 15:45:59,644 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-14 15:45:59,647 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-09-14 15:45:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:45:59,683 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2018-09-14 15:45:59,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-14 15:45:59,686 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-09-14 15:45:59,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:45:59,697 INFO L225 Difference]: With dead ends: 38 [2018-09-14 15:45:59,698 INFO L226 Difference]: Without dead ends: 16 [2018-09-14 15:45:59,704 INFO L604 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 [2018-09-14 15:45:59,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-14 15:45:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-09-14 15:45:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-09-14 15:45:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-09-14 15:45:59,752 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-09-14 15:45:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:45:59,753 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-09-14 15:45:59,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-14 15:45:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-09-14 15:45:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-14 15:45:59,754 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:45:59,754 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:45:59,755 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:45:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1604332945, now seen corresponding path program 1 times [2018-09-14 15:45:59,756 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:45:59,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:45:59,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:45:59,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:45:59,758 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:45:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:45:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:45:59,927 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:45:59,927 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:45:59,928 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:45:59,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:45:59,930 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:45:59,930 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:45:59,931 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-09-14 15:46:00,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:46:00,067 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-09-14 15:46:00,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:46:00,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-09-14 15:46:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:46:00,069 INFO L225 Difference]: With dead ends: 26 [2018-09-14 15:46:00,069 INFO L226 Difference]: Without dead ends: 18 [2018-09-14 15:46:00,070 INFO L604 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 [2018-09-14 15:46:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-14 15:46:00,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-09-14 15:46:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-14 15:46:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-09-14 15:46:00,079 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-09-14 15:46:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:46:00,079 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-09-14 15:46:00,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:46:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-09-14 15:46:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-14 15:46:00,084 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:46:00,084 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:46:00,084 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:46:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash 284971401, now seen corresponding path program 1 times [2018-09-14 15:46:00,085 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:46:00,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:46:00,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:46:00,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:46:00,092 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:46:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:46:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:46:00,370 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:46:00,370 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 15:46:00,371 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:46:00,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 15:46:00,371 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 15:46:00,372 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 15:46:00,372 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2018-09-14 15:46:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:46:00,393 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-09-14 15:46:00,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:46:00,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-09-14 15:46:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:46:00,395 INFO L225 Difference]: With dead ends: 18 [2018-09-14 15:46:00,395 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 15:46:00,396 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 15:46:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 15:46:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 15:46:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 15:46:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 15:46:00,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-09-14 15:46:00,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:46:00,398 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 15:46:00,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 15:46:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 15:46:00,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 15:46:00,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 15:46:00,580 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-14 15:46:00,670 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:46:00,670 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-14 15:46:00,670 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:46:00,671 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:46:00,671 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~i~0 0) (= 0 (select ~x~0 0))) [2018-09-14 15:46:00,671 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 15:46:00,671 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:46:00,672 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-09-14 15:46:00,672 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 14 29) no Hoare annotation was computed. [2018-09-14 15:46:00,672 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 14 29) no Hoare annotation was computed. [2018-09-14 15:46:00,672 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 14 29) the Hoare annotation is: (or (not (= 0 |old(~i~0)|)) (not (= (select ~x~0 0) 0)) (= ~i~0 0)) [2018-09-14 15:46:00,672 INFO L422 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (not (= 0 |old(~i~0)|)) (not (= (select ~x~0 0) 0))) [2018-09-14 15:46:00,673 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-09-14 15:46:00,673 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 24 26) no Hoare annotation was computed. [2018-09-14 15:46:00,673 INFO L426 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2018-09-14 15:46:00,673 INFO L422 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (or (not (= 0 |old(~i~0)|)) (not (= (select ~x~0 0) 0)) (= ~i~0 0)) [2018-09-14 15:46:00,673 INFO L426 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2018-09-14 15:46:00,674 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-14 15:46:00,674 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-14 15:46:00,674 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-14 15:46:00,674 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-14 15:46:00,674 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-14 15:46:00,675 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-14 15:46:00,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 03:46:00 BoogieIcfgContainer [2018-09-14 15:46:00,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 15:46:00,690 INFO L168 Benchmark]: Toolchain (without parser) took 2811.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -687.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 7.1 GB. [2018-09-14 15:46:00,692 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:46:00,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 15:46:00,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:46:00,694 INFO L168 Benchmark]: Boogie Preprocessor took 40.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:46:00,695 INFO L168 Benchmark]: RCFGBuilder took 926.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-09-14 15:46:00,696 INFO L168 Benchmark]: TraceAbstraction took 1479.17 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2018-09-14 15:46:00,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 926.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1479.17 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 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: 18]: Loop Invariant Derived loop invariant: (!(0 == \old(i)) || !(x[0] == 0)) || i == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 51 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nec40_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_15-46-00-717.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nec40_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_15-46-00-717.csv Received shutdown request...