java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 09:11:09,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 09:11:09,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 09:11:09,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 09:11:09,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 09:11:09,193 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 09:11:09,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 09:11:09,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 09:11:09,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 09:11:09,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 09:11:09,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 09:11:09,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 09:11:09,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 09:11:09,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 09:11:09,209 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 09:11:09,211 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 09:11:09,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 09:11:09,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 09:11:09,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 09:11:09,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 09:11:09,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 09:11:09,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 09:11:09,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 09:11:09,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 09:11:09,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 09:11:09,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 09:11:09,235 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 09:11:09,236 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 09:11:09,236 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 09:11:09,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 09:11:09,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 09:11:09,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-27 09:11:09,243 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 09:11:09,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 09:11:09,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 09:11:09,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 09:11:09,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 09:11:09,270 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 09:11:09,271 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 09:11:09,274 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 09:11:09,275 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 09:11:09,275 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 09:11:09,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 09:11:09,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 09:11:09,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 09:11:09,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 09:11:09,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 09:11:09,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 09:11:09,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 09:11:09,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 09:11:09,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 09:11:09,278 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 09:11:09,280 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 09:11:09,280 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 09:11:09,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 09:11:09,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 09:11:09,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 09:11:09,281 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 09:11:09,284 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 09:11:09,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 09:11:09,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 09:11:09,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 09:11:09,285 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 09:11:09,285 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 09:11:09,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 09:11:09,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 09:11:09,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 09:11:09,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 09:11:09,372 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 09:11:09,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-10-27 09:11:09,437 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1631989e/acb11b1b551b42ab91e2d33c7c5f72c6/FLAG7a30a1abc [2018-10-27 09:11:09,914 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 09:11:09,915 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-10-27 09:11:09,921 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1631989e/acb11b1b551b42ab91e2d33c7c5f72c6/FLAG7a30a1abc [2018-10-27 09:11:09,936 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1631989e/acb11b1b551b42ab91e2d33c7c5f72c6 [2018-10-27 09:11:09,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 09:11:09,948 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 09:11:09,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 09:11:09,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 09:11:09,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 09:11:09,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:11:09" (1/1) ... [2018-10-27 09:11:09,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6351e815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:09, skipping insertion in model container [2018-10-27 09:11:09,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:11:09" (1/1) ... [2018-10-27 09:11:09,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 09:11:09,997 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 09:11:10,181 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:11:10,185 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 09:11:10,207 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:11:10,231 INFO L193 MainTranslator]: Completed translation [2018-10-27 09:11:10,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10 WrapperNode [2018-10-27 09:11:10,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 09:11:10,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 09:11:10,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 09:11:10,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 09:11:10,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 09:11:10,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 09:11:10,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 09:11:10,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 09:11:10,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... [2018-10-27 09:11:10,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 09:11:10,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 09:11:10,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 09:11:10,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 09:11:10,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 09:11:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 09:11:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 09:11:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 09:11:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 09:11:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 09:11:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 09:11:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 09:11:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 09:11:10,857 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 09:11:10,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:11:10 BoogieIcfgContainer [2018-10-27 09:11:10,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 09:11:10,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 09:11:10,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 09:11:10,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 09:11:10,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:11:09" (1/3) ... [2018-10-27 09:11:10,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cd69e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:11:10, skipping insertion in model container [2018-10-27 09:11:10,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:11:10" (2/3) ... [2018-10-27 09:11:10,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cd69e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:11:10, skipping insertion in model container [2018-10-27 09:11:10,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:11:10" (3/3) ... [2018-10-27 09:11:10,866 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_false-unreach-call1_false-termination.i [2018-10-27 09:11:10,876 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 09:11:10,886 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 09:11:10,908 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 09:11:10,941 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 09:11:10,941 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 09:11:10,942 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 09:11:10,942 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 09:11:10,942 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 09:11:10,942 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 09:11:10,942 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 09:11:10,942 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 09:11:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-27 09:11:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 09:11:10,964 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 09:11:10,965 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 09:11:10,967 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 09:11:10,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 09:11:10,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1061413301, now seen corresponding path program 1 times [2018-10-27 09:11:10,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 09:11:11,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:11:11,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 09:11:11,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:11:11,031 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 09:11:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 09:11:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 09:11:11,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 09:11:11,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 09:11:11,115 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 09:11:11,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 09:11:11,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 09:11:11,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 09:11:11,137 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-10-27 09:11:11,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 09:11:11,157 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2018-10-27 09:11:11,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 09:11:11,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-10-27 09:11:11,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 09:11:11,168 INFO L225 Difference]: With dead ends: 37 [2018-10-27 09:11:11,168 INFO L226 Difference]: Without dead ends: 16 [2018-10-27 09:11:11,171 INFO L605 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 [2018-10-27 09:11:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-27 09:11:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-10-27 09:11:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-27 09:11:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-10-27 09:11:11,206 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2018-10-27 09:11:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 09:11:11,206 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-10-27 09:11:11,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 09:11:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-27 09:11:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 09:11:11,207 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 09:11:11,207 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 09:11:11,208 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 09:11:11,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 09:11:11,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1213175435, now seen corresponding path program 1 times [2018-10-27 09:11:11,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 09:11:11,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:11:11,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 09:11:11,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:11:11,210 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 09:11:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 09:11:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 09:11:11,308 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 09:11:11,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,324 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,324 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,325 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,325 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,326 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,326 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,326 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,327 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,327 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 09:11:11,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 09:11:11 BoogieIcfgContainer [2018-10-27 09:11:11,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 09:11:11,345 INFO L168 Benchmark]: Toolchain (without parser) took 1397.94 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -768.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 09:11:11,347 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 09:11:11,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.50 ms. Allocated memory is still 1.6 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. [2018-10-27 09:11:11,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 09:11:11,350 INFO L168 Benchmark]: Boogie Preprocessor took 31.32 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 09:11:11,351 INFO L168 Benchmark]: RCFGBuilder took 547.28 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-27 09:11:11,352 INFO L168 Benchmark]: TraceAbstraction took 485.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-10-27 09:11:11,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.50 ms. Allocated memory is still 1.6 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 46.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.32 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 547.28 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 485.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] CALL unsigned int array[10000]; [L21] RET unsigned int array[10000]; [L22] unsigned int index = 0; [L23] unsigned int tmp = 0; [L25] COND TRUE 1 [L26] index = __VERIFIER_nondet_uint() [L27] COND TRUE index >= 10000 [L34] EXPR tmp < 10000 && array[tmp] == tmp [L34] CALL, EXPR array[tmp] [L34] RET, EXPR array[tmp] [L34] EXPR tmp < 10000 && array[tmp] == tmp [L34] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) VAL [\old(cond)=0] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...