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/loop-acceleration/array_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:09:08,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:09:08,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:09:08,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:09:08,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:09:08,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:09:08,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:09:08,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:09:08,484 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:09:08,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:09:08,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:09:08,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:09:08,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:09:08,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:09:08,489 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:09:08,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:09:08,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:09:08,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:09:08,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:09:08,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:09:08,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:09:08,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:09:08,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 10:09:08,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 10:09:08,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 10:09:08,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 10:09:08,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 10:09:08,505 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 10:09:08,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 10:09:08,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 10:09:08,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 10:09:08,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 10:09:08,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 10:09:08,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 10:09:08,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 10:09:08,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 10:09:08,516 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 [2018-09-10 10:09:08,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:09:08,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:09:08,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:09:08,547 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:09:08,547 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:09:08,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:09:08,548 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:09:08,548 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:09:08,548 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:09:08,548 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:09:08,549 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:09:08,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:09:08,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:09:08,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:09:08,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:09:08,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:09:08,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:09:08,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:09:08,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:09:08,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:09:08,552 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:09:08,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:09:08,553 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:09:08,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:09:08,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:09:08,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:09:08,554 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:09:08,555 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:09:08,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:09:08,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:09:08,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:09:08,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:09:08,632 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:09:08,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_true-unreach-call1_true-termination.i [2018-09-10 10:09:08,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ce533b8/1fbfa4b5e9f245b086a8c1cd58514bf1/FLAGba7ab07c9 [2018-09-10 10:09:09,132 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:09:09,133 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_true-unreach-call1_true-termination.i [2018-09-10 10:09:09,138 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ce533b8/1fbfa4b5e9f245b086a8c1cd58514bf1/FLAGba7ab07c9 [2018-09-10 10:09:09,153 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ce533b8/1fbfa4b5e9f245b086a8c1cd58514bf1 [2018-09-10 10:09:09,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:09:09,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:09:09,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:09:09,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:09:09,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:09:09,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bc1382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09, skipping insertion in model container [2018-09-10 10:09:09,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,345 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:09:09,381 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:09:09,399 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:09:09,403 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:09:09,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09 WrapperNode [2018-09-10 10:09:09,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:09:09,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:09:09,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:09:09,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:09:09,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:09:09,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:09:09,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:09:09,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:09:09,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (1/1) ... [2018-09-10 10:09:09,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:09:09,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:09:09,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:09:09,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:09:09,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (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 [2018-09-10 10:09:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assert [2018-09-10 10:09:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assert [2018-09-10 10:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:09:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:09:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:09:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:09:09,783 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:09:09,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:09:09 BoogieIcfgContainer [2018-09-10 10:09:09,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:09:09,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:09:09,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:09:09,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:09:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:09:09" (1/3) ... [2018-09-10 10:09:09,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332cae13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:09:09, skipping insertion in model container [2018-09-10 10:09:09,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:09:09" (2/3) ... [2018-09-10 10:09:09,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332cae13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:09:09, skipping insertion in model container [2018-09-10 10:09:09,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:09:09" (3/3) ... [2018-09-10 10:09:09,792 INFO L112 eAbstractionObserver]: Analyzing ICFG array_true-unreach-call1_true-termination.i [2018-09-10 10:09:09,802 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:09:09,811 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:09:09,858 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:09:09,859 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:09:09,859 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:09:09,859 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:09:09,859 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:09:09,859 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:09:09,859 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:09:09,859 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:09:09,860 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:09:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-09-10 10:09:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-10 10:09:09,882 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:09,883 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:09,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:09,891 INFO L82 PathProgramCache]: Analyzing trace with hash 47309880, now seen corresponding path program 1 times [2018-09-10 10:09:09,894 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:09,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:09,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:09,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:09,951 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,011 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:09:10,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-10 10:09:10,011 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:09:10,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-10 10:09:10,032 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-10 10:09:10,032 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-10 10:09:10,035 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-09-10 10:09:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:10,061 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2018-09-10 10:09:10,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-10 10:09:10,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-09-10 10:09:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:10,075 INFO L225 Difference]: With dead ends: 30 [2018-09-10 10:09:10,075 INFO L226 Difference]: Without dead ends: 13 [2018-09-10 10:09:10,079 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 [2018-09-10 10:09:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-09-10 10:09:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-09-10 10:09:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-10 10:09:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-09-10 10:09:10,116 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-09-10 10:09:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:10,116 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-09-10 10:09:10,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-10 10:09:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-09-10 10:09:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-10 10:09:10,117 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:10,118 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:10,118 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:10,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1197084163, now seen corresponding path program 1 times [2018-09-10 10:09:10,119 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:10,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:10,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,121 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,206 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:09:10,206 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 10:09:10,206 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:09:10,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:09:10,208 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:09:10,209 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 10:09:10,209 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2018-09-10 10:09:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:10,284 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-09-10 10:09:10,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:09:10,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-09-10 10:09:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:10,286 INFO L225 Difference]: With dead ends: 21 [2018-09-10 10:09:10,286 INFO L226 Difference]: Without dead ends: 16 [2018-09-10 10:09:10,287 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 [2018-09-10 10:09:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-10 10:09:10,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2018-09-10 10:09:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-10 10:09:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-09-10 10:09:10,293 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2018-09-10 10:09:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:10,293 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-09-10 10:09:10,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:09:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-09-10 10:09:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-10 10:09:10,294 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:10,294 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:10,295 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash 688816788, now seen corresponding path program 1 times [2018-09-10 10:09:10,295 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:10,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:10,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,297 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,417 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:09:10,417 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:09:10,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:10,431 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:09:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:09:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,480 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:09:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,593 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:09:10,593 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:09:10,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:10,610 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:09:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:09:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,633 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:09:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,681 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:09:10,681 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4] total 6 [2018-09-10 10:09:10,681 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:09:10,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 10:09:10,682 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 10:09:10,682 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:09:10,684 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2018-09-10 10:09:10,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:10,733 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-09-10 10:09:10,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 10:09:10,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-10 10:09:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:10,737 INFO L225 Difference]: With dead ends: 24 [2018-09-10 10:09:10,737 INFO L226 Difference]: Without dead ends: 19 [2018-09-10 10:09:10,738 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:09:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-10 10:09:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-09-10 10:09:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-10 10:09:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-09-10 10:09:10,744 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2018-09-10 10:09:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:10,745 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-09-10 10:09:10,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 10:09:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-09-10 10:09:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-10 10:09:10,746 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:10,746 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:10,746 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:10,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1344833437, now seen corresponding path program 2 times [2018-09-10 10:09:10,746 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:10,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:09:10,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:10,748 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,819 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:09:10,819 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:09:10,830 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 10:09:10,830 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 10:09:10,849 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 10:09:10,850 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 10:09:10,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:09:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:10,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:09:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:11,176 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:09:11,176 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:09:11,192 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 10:09:11,192 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 10:09:11,207 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 10:09:11,208 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 10:09:11,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:09:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:11,221 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:09:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (5)] Exception during sending of exit command (exit): Broken pipe [2018-09-10 10:09:11,293 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:09:11,293 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 8 [2018-09-10 10:09:11,293 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:09:11,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:09:11,294 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:09:11,295 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-09-10 10:09:11,295 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 5 states. [2018-09-10 10:09:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:11,334 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-09-10 10:09:11,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-10 10:09:11,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-09-10 10:09:11,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:11,336 INFO L225 Difference]: With dead ends: 27 [2018-09-10 10:09:11,336 INFO L226 Difference]: Without dead ends: 22 [2018-09-10 10:09:11,338 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-09-10 10:09:11,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-09-10 10:09:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-09-10 10:09:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-09-10 10:09:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-09-10 10:09:11,344 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2018-09-10 10:09:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:11,344 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-09-10 10:09:11,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:09:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-09-10 10:09:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-10 10:09:11,346 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:09:11,346 INFO L376 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:09:11,346 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:09:11,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1010009036, now seen corresponding path program 3 times [2018-09-10 10:09:11,347 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:09:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:11,348 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-10 10:09:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:09:11,348 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:09:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:09:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:09:11,431 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:09:11,432 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:09:11,446 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-10 10:09:11,447 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-09-10 10:09:11,464 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-09-10 10:09:11,464 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 10:09:11,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:09:11,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-09-10 10:09:11,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-09-10 10:09:11,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-10 10:09:11,509 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-09-10 10:09:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-10 10:09:11,782 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:09:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-10 10:09:12,024 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 10:09:12,025 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [6] total 16 [2018-09-10 10:09:12,025 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:09:12,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 10:09:12,025 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 10:09:12,026 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-09-10 10:09:12,026 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 7 states. [2018-09-10 10:09:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:09:12,487 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-09-10 10:09:12,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:09:12,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-09-10 10:09:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:09:12,488 INFO L225 Difference]: With dead ends: 21 [2018-09-10 10:09:12,489 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:09:12,490 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2018-09-10 10:09:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:09:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:09:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:09:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:09:12,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-09-10 10:09:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:09:12,491 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:09:12,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 10:09:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:09:12,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:09:12,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:09:12,575 INFO L426 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-09-10 10:09:12,576 INFO L429 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-09-10 10:09:12,576 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-09-10 10:09:12,576 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_array_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-10 10:09:12,576 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-10 10:09:12,576 INFO L426 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-09-10 10:09:12,576 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-10 10:09:12,577 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:09:12,577 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:09:12,577 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-10 10:09:12,577 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 10:09:12,577 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 10:09:12,577 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 8 15) the Hoare annotation is: true [2018-09-10 10:09:12,578 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 8 15) no Hoare annotation was computed. [2018-09-10 10:09:12,578 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 15) no Hoare annotation was computed. [2018-09-10 10:09:12,578 INFO L426 ceAbstractionStarter]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2018-09-10 10:09:12,578 INFO L426 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2018-09-10 10:09:12,578 INFO L422 ceAbstractionStarter]: At program point L11-4(lines 11 13) the Hoare annotation is: (or (exists ((v_main_~i~0_23 Int)) (and (< v_main_~i~0_23 1024) (<= main_~i~0 (+ v_main_~i~0_23 1)) (= v_main_~i~0_23 (select main_~A~0 v_main_~i~0_23)))) (<= main_~i~0 0)) [2018-09-10 10:09:12,579 INFO L422 ceAbstractionStarter]: At program point L11-5(lines 11 13) the Hoare annotation is: (and (exists ((v_main_~i~0_23 Int)) (and (< v_main_~i~0_23 1024) (<= main_~i~0 (+ v_main_~i~0_23 1)) (= v_main_~i~0_23 (select main_~A~0 v_main_~i~0_23)))) (exists ((v_main_~i~0_23 Int)) (and (< v_main_~i~0_23 1024) (<= 1023 v_main_~i~0_23) (= v_main_~i~0_23 (select main_~A~0 v_main_~i~0_23))))) [2018-09-10 10:09:12,583 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,584 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,585 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,585 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,591 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,592 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,592 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,592 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:09:12 BoogieIcfgContainer [2018-09-10 10:09:12,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 10:09:12,595 INFO L168 Benchmark]: Toolchain (without parser) took 3430.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -641.4 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2018-09-10 10:09:12,598 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-09-10 10:09:12,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.72 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. [2018-09-10 10:09:12,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.58 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. [2018-09-10 10:09:12,600 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 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. [2018-09-10 10:09:12,600 INFO L168 Benchmark]: RCFGBuilder took 323.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-10 10:09:12,601 INFO L168 Benchmark]: TraceAbstraction took 2809.93 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: 138.6 MB). Peak memory consumption was 138.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:09:12,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 247.72 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 22.58 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 20.62 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 323.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -790.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2809.93 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: 138.6 MB). Peak memory consumption was 138.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 11]: Loop Invariant [2018-09-10 10:09:12,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,617 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,618 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,618 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,618 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] [2018-09-10 10:09:12,619 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_23,QUANTIFIED] Derived loop invariant: (\exists v_main_~i~0_23 : int :: (v_main_~i~0_23 < 1024 && i <= v_main_~i~0_23 + 1) && v_main_~i~0_23 == A[v_main_~i~0_23]) || i <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 8 SDslu, 91 SDs, 0 SdLazy, 45 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 53 HoareAnnotationTreeSize, 11 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 154 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 221 ConstructedInterpolants, 3 QuantifiedInterpolants, 7411 SizeOfPredicates, 9 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 30/90 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/array_true-unreach-call1_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-09-12-625.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array_true-unreach-call1_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_10-09-12-625.csv Received shutdown request...