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 0.1.23-69f5bdd-m [2018-09-18 09:56:17,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 09:56:17,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 09:56:17,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 09:56:17,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 09:56:17,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 09:56:17,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 09:56:17,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 09:56:17,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 09:56:17,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 09:56:17,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 09:56:17,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 09:56:17,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 09:56:17,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 09:56:17,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 09:56:17,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 09:56:17,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 09:56:17,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 09:56:17,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 09:56:17,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 09:56:17,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 09:56:17,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 09:56:17,069 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 09:56:17,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 09:56:17,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 09:56:17,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 09:56:17,072 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 09:56:17,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 09:56:17,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 09:56:17,078 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 09:56:17,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 09:56:17,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 09:56:17,083 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 09:56:17,083 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 09:56:17,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 09:56:17,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 09:56:17,086 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 [2018-09-18 09:56:17,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 09:56:17,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 09:56:17,114 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 09:56:17,114 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 09:56:17,114 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 09:56:17,115 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 09:56:17,115 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 09:56:17,115 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 09:56:17,115 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 09:56:17,115 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 09:56:17,116 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 09:56:17,116 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 09:56:17,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 09:56:17,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 09:56:17,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 09:56:17,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 09:56:17,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 09:56:17,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 09:56:17,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 09:56:17,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 09:56:17,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 09:56:17,118 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 09:56:17,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 09:56:17,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 09:56:17,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 09:56:17,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 09:56:17,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 09:56:17,120 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 09:56:17,120 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 09:56:17,120 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 09:56:17,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 09:56:17,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 09:56:17,121 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 09:56:17,121 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 09:56:17,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 09:56:17,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 09:56:17,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 09:56:17,193 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 09:56:17,193 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 09:56:17,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-09-18 09:56:17,577 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91496db6a/a4b752a95a104089b3f6b4b4da06883b/FLAGf46bed082 [2018-09-18 09:56:17,753 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 09:56:17,754 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-09-18 09:56:17,762 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91496db6a/a4b752a95a104089b3f6b4b4da06883b/FLAGf46bed082 [2018-09-18 09:56:17,781 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91496db6a/a4b752a95a104089b3f6b4b4da06883b [2018-09-18 09:56:17,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 09:56:17,793 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 09:56:17,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:17,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 09:56:17,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 09:56:17,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:17" (1/1) ... [2018-09-18 09:56:17,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cedc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:17, skipping insertion in model container [2018-09-18 09:56:17,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:17" (1/1) ... [2018-09-18 09:56:17,815 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 09:56:18,030 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:18,099 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 09:56:18,104 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:18,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18 WrapperNode [2018-09-18 09:56:18,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:18,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:18,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 09:56:18,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 09:56:18,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:18,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 09:56:18,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 09:56:18,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 09:56:18,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (1/1) ... [2018-09-18 09:56:18,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 09:56:18,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 09:56:18,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 09:56:18,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 09:56:18,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (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 [2018-09-18 09:56:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 09:56:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 09:56:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 09:56:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 09:56:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 09:56:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 09:56:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 09:56:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 09:56:19,232 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 09:56:19,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:19 BoogieIcfgContainer [2018-09-18 09:56:19,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 09:56:19,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 09:56:19,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 09:56:19,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 09:56:19,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 09:56:17" (1/3) ... [2018-09-18 09:56:19,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba72147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:19, skipping insertion in model container [2018-09-18 09:56:19,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:18" (2/3) ... [2018-09-18 09:56:19,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba72147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:19, skipping insertion in model container [2018-09-18 09:56:19,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:19" (3/3) ... [2018-09-18 09:56:19,241 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-09-18 09:56:19,252 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 09:56:19,260 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 09:56:19,310 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 09:56:19,311 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 09:56:19,311 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 09:56:19,311 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 09:56:19,311 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 09:56:19,311 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 09:56:19,312 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 09:56:19,312 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 09:56:19,312 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 09:56:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-18 09:56:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-18 09:56:19,342 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:19,343 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:19,344 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:19,350 INFO L82 PathProgramCache]: Analyzing trace with hash -91485938, now seen corresponding path program 1 times [2018-09-18 09:56:19,353 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:19,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:19,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:19,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:19,400 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:19,651 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:19,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-18 09:56:19,652 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:19,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-18 09:56:19,675 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-18 09:56:19,676 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 09:56:19,679 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-09-18 09:56:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:19,711 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2018-09-18 09:56:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-18 09:56:19,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-09-18 09:56:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:19,723 INFO L225 Difference]: With dead ends: 38 [2018-09-18 09:56:19,724 INFO L226 Difference]: Without dead ends: 16 [2018-09-18 09:56:19,728 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 [2018-09-18 09:56:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-18 09:56:19,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-09-18 09:56:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-09-18 09:56:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-09-18 09:56:19,767 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-09-18 09:56:19,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:19,767 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-09-18 09:56:19,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-18 09:56:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-09-18 09:56:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-18 09:56:19,768 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:19,768 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:19,769 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:19,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1604332945, now seen corresponding path program 1 times [2018-09-18 09:56:19,769 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:19,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:19,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:19,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:19,771 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:19,948 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:19,948 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 09:56:19,948 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:19,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 09:56:19,950 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 09:56:19,950 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 09:56:19,951 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-09-18 09:56:20,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:20,076 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-09-18 09:56:20,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 09:56:20,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-09-18 09:56:20,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:20,079 INFO L225 Difference]: With dead ends: 26 [2018-09-18 09:56:20,079 INFO L226 Difference]: Without dead ends: 18 [2018-09-18 09:56:20,081 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 [2018-09-18 09:56:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-18 09:56:20,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-09-18 09:56:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-18 09:56:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-09-18 09:56:20,086 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-09-18 09:56:20,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:20,087 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-09-18 09:56:20,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 09:56:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-09-18 09:56:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-18 09:56:20,088 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:20,088 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:20,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:20,089 INFO L82 PathProgramCache]: Analyzing trace with hash 284971401, now seen corresponding path program 1 times [2018-09-18 09:56:20,089 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:20,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:20,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:20,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:20,091 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:20,346 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:20,347 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 09:56:20,347 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:20,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 09:56:20,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 09:56:20,348 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 09:56:20,348 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2018-09-18 09:56:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:20,368 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-09-18 09:56:20,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 09:56:20,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-09-18 09:56:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:20,370 INFO L225 Difference]: With dead ends: 18 [2018-09-18 09:56:20,370 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 09:56:20,371 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 [2018-09-18 09:56:20,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 09:56:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 09:56:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 09:56:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 09:56:20,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-09-18 09:56:20,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:20,373 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 09:56:20,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 09:56:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 09:56:20,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 09:56:20,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 09:56:20,522 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-18 09:56:20,621 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 09:56:20,621 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-18 09:56:20,621 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:20,622 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:20,622 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~i~0 0) (= 0 (select ~x~0 0))) [2018-09-18 09:56:20,622 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 09:56:20,622 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 09:56:20,622 INFO L426 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-09-18 09:56:20,622 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 14 29) no Hoare annotation was computed. [2018-09-18 09:56:20,622 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 14 29) no Hoare annotation was computed. [2018-09-18 09:56:20,622 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)) [2018-09-18 09:56:20,623 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))) [2018-09-18 09:56:20,623 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-09-18 09:56:20,623 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 24 26) no Hoare annotation was computed. [2018-09-18 09:56:20,623 INFO L426 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2018-09-18 09:56:20,623 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)) [2018-09-18 09:56:20,623 INFO L426 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2018-09-18 09:56:20,624 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-18 09:56:20,624 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-18 09:56:20,624 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-18 09:56:20,624 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-18 09:56:20,624 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-18 09:56:20,625 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-18 09:56:20,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 09:56:20 BoogieIcfgContainer [2018-09-18 09:56:20,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 09:56:20,637 INFO L168 Benchmark]: Toolchain (without parser) took 2846.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -668.0 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:20,639 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. [2018-09-18 09:56:20,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.23 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. [2018-09-18 09:56:20,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.02 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. [2018-09-18 09:56:20,641 INFO L168 Benchmark]: Boogie Preprocessor took 63.93 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. [2018-09-18 09:56:20,642 INFO L168 Benchmark]: RCFGBuilder took 964.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -758.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:20,643 INFO L168 Benchmark]: TraceAbstraction took 1402.76 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: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:20,649 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 362.23 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 47.02 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 63.93 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 964.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -758.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1402.76 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: 80.3 MB). Peak memory consumption was 80.3 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, 1.3s 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, 0.2s 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-0-2018-09-18_09-56-20-664.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-0-2018-09-18_09-56-20-664.csv Received shutdown request...