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-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-acceleration/array_true-unreach-call3_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 08:59:51,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 08:59:51,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 08:59:51,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 08:59:51,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 08:59:51,365 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 08:59:51,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 08:59:51,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 08:59:51,370 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 08:59:51,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 08:59:51,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 08:59:51,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 08:59:51,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 08:59:51,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 08:59:51,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 08:59:51,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 08:59:51,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 08:59:51,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 08:59:51,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 08:59:51,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 08:59:51,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 08:59:51,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 08:59:51,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 08:59:51,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 08:59:51,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 08:59:51,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 08:59:51,411 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 08:59:51,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 08:59:51,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 08:59:51,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 08:59:51,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 08:59:51,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 08:59:51,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 08:59:51,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 08:59:51,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 08:59:51,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 08:59:51,427 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-11 08:59:51,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 08:59:51,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 08:59:51,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 08:59:51,450 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 08:59:51,450 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 08:59:51,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 08:59:51,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 08:59:51,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-11 08:59:51,451 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 08:59:51,451 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 08:59:51,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 08:59:51,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 08:59:51,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 08:59:51,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 08:59:51,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 08:59:51,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 08:59:51,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 08:59:51,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 08:59:51,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 08:59:51,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 08:59:51,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 08:59:51,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 08:59:51,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 08:59:51,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 08:59:51,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 08:59:51,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 08:59:51,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 08:59:51,455 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 08:59:51,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 08:59:51,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 08:59:51,456 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 08:59:51,456 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 08:59:51,456 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 08:59:51,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 08:59:51,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 08:59:51,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 08:59:51,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 08:59:51,527 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 08:59:51,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_true-unreach-call3_true-termination.i [2018-09-11 08:59:51,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e371b2fdb/9956f346fef24537b237b23b1c26ac80/FLAG4080c326b [2018-09-11 08:59:52,078 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 08:59:52,078 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_true-unreach-call3_true-termination.i [2018-09-11 08:59:52,084 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e371b2fdb/9956f346fef24537b237b23b1c26ac80/FLAG4080c326b [2018-09-11 08:59:52,099 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e371b2fdb/9956f346fef24537b237b23b1c26ac80 [2018-09-11 08:59:52,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 08:59:52,119 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 08:59:52,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 08:59:52,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 08:59:52,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 08:59:52,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e30dc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52, skipping insertion in model container [2018-09-11 08:59:52,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,303 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 08:59:52,350 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 08:59:52,368 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 08:59:52,376 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 08:59:52,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52 WrapperNode [2018-09-11 08:59:52,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 08:59:52,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 08:59:52,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 08:59:52,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 08:59:52,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 08:59:52,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 08:59:52,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 08:59:52,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 08:59:52,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (1/1) ... [2018-09-11 08:59:52,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 08:59:52,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 08:59:52,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 08:59:52,451 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 08:59:52,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (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 [2018-09-11 08:59:52,534 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 [2018-09-11 08:59:52,534 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 [2018-09-11 08:59:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 08:59:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 08:59:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 08:59:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 08:59:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 08:59:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 08:59:52,858 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 08:59:52,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:59:52 BoogieIcfgContainer [2018-09-11 08:59:52,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 08:59:52,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 08:59:52,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 08:59:52,869 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 08:59:52,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 08:59:52" (1/3) ... [2018-09-11 08:59:52,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3adfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:59:52, skipping insertion in model container [2018-09-11 08:59:52,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:59:52" (2/3) ... [2018-09-11 08:59:52,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3adfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 08:59:52, skipping insertion in model container [2018-09-11 08:59:52,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:59:52" (3/3) ... [2018-09-11 08:59:52,874 INFO L112 eAbstractionObserver]: Analyzing ICFG array_true-unreach-call3_true-termination.i [2018-09-11 08:59:52,884 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 08:59:52,893 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 08:59:52,942 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 08:59:52,943 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 08:59:52,943 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 08:59:52,943 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 08:59:52,943 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 08:59:52,943 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 08:59:52,943 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 08:59:52,944 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 08:59:52,944 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 08:59:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-11 08:59:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-11 08:59:52,970 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 08:59:52,971 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 08:59:52,972 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]=== [2018-09-11 08:59:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash -748716574, now seen corresponding path program 1 times [2018-09-11 08:59:52,980 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 08:59:52,982 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-09-11 08:59:52,984 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [28], [30], [48], [52], [53], [54], [56] [2018-09-11 08:59:53,037 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 08:59:53,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 08:59:53,116 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 08:59:53,117 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Never found a fixpoint. Largest state had 2 variables. [2018-09-11 08:59:53,162 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 08:59:53,222 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 100% of their original sizes. [2018-09-11 08:59:53,222 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 08:59:53,224 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 08:59:53,226 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 08:59:53,226 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-11 08:59:53,226 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 08:59:53,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-11 08:59:53,237 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-11 08:59:53,238 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-11 08:59:53,240 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-09-11 08:59:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 08:59:53,261 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2018-09-11 08:59:53,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-11 08:59:53,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-09-11 08:59:53,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 08:59:53,270 INFO L225 Difference]: With dead ends: 40 [2018-09-11 08:59:53,270 INFO L226 Difference]: Without dead ends: 18 [2018-09-11 08:59:53,273 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-11 08:59:53,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-11 08:59:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-09-11 08:59:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-11 08:59:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-09-11 08:59:53,314 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2018-09-11 08:59:53,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 08:59:53,315 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-09-11 08:59:53,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-11 08:59:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-09-11 08:59:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-11 08:59:53,316 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 08:59:53,316 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 08:59:53,317 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]=== [2018-09-11 08:59:53,317 INFO L82 PathProgramCache]: Analyzing trace with hash 678224402, now seen corresponding path program 1 times [2018-09-11 08:59:53,317 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 08:59:53,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 15 with the following transitions: [2018-09-11 08:59:53,318 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [22], [30], [34], [37], [52], [53], [54], [56] [2018-09-11 08:59:53,320 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 08:59:53,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 08:59:53,331 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 08:59:53,331 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 2 variables. [2018-09-11 08:59:53,345 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 08:59:53,364 INFO L224 lantSequenceWeakener]: Could never weaken! [2018-09-11 08:59:53,364 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 08:59:53,402 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 08:59:53,402 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 08:59:53,403 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-11 08:59:53,403 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 08:59:53,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-11 08:59:53,405 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-11 08:59:53,405 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 08:59:53,406 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-09-11 08:59:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 08:59:53,589 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2018-09-11 08:59:53,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-11 08:59:53,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-11 08:59:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 08:59:53,592 INFO L225 Difference]: With dead ends: 36 [2018-09-11 08:59:53,592 INFO L226 Difference]: Without dead ends: 26 [2018-09-11 08:59:53,594 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-11 08:59:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-11 08:59:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2018-09-11 08:59:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-09-11 08:59:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-09-11 08:59:53,604 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2018-09-11 08:59:53,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 08:59:53,604 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-09-11 08:59:53,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-11 08:59:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-09-11 08:59:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-11 08:59:53,605 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 08:59:53,605 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 08:59:53,606 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]=== [2018-09-11 08:59:53,606 INFO L82 PathProgramCache]: Analyzing trace with hash -975136119, now seen corresponding path program 1 times [2018-09-11 08:59:53,606 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 08:59:53,607 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 18 with the following transitions: [2018-09-11 08:59:53,607 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [22], [24], [26], [30], [34], [37], [52], [53], [54], [56] [2018-09-11 08:59:53,609 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 08:59:53,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 08:59:53,677 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 08:59:53,678 INFO L272 AbstractInterpreter]: Visited 15 different actions 39 times. Merged at 3 different actions 18 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 4 variables. [2018-09-11 08:59:53,685 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 08:59:53,724 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 75% of their original sizes. [2018-09-11 08:59:53,724 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 08:59:53,824 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 08:59:53,825 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 08:59:53,825 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-11 08:59:53,825 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 08:59:53,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-11 08:59:53,826 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-11 08:59:53,826 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-11 08:59:53,826 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 7 states. [2018-09-11 08:59:54,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 08:59:54,141 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2018-09-11 08:59:54,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-11 08:59:54,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-09-11 08:59:54,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 08:59:54,143 INFO L225 Difference]: With dead ends: 43 [2018-09-11 08:59:54,143 INFO L226 Difference]: Without dead ends: 0 [2018-09-11 08:59:54,144 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-11 08:59:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-11 08:59:54,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-11 08:59:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-11 08:59:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-11 08:59:54,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-09-11 08:59:54,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 08:59:54,146 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-11 08:59:54,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-11 08:59:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-11 08:59:54,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-11 08:59:54,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-11 08:59:54,411 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 3 8) the Hoare annotation is: true [2018-09-11 08:59:54,412 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 5) no Hoare annotation was computed. [2018-09-11 08:59:54,412 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 3 8) no Hoare annotation was computed. [2018-09-11 08:59:54,412 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-11 08:59:54,412 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-11 08:59:54,412 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-11 08:59:54,413 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-11 08:59:54,413 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-11 08:59:54,413 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-11 08:59:54,413 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-11 08:59:54,413 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-11 08:59:54,413 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-11 08:59:54,413 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 9 23) no Hoare annotation was computed. [2018-09-11 08:59:54,413 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-11 08:59:54,414 INFO L426 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-09-11 08:59:54,414 INFO L422 ceAbstractionStarter]: At program point L17-4(lines 17 21) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0))) (and (<= .cse0 2048) (<= 0 .cse0))) [2018-09-11 08:59:54,414 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 9 23) no Hoare annotation was computed. [2018-09-11 08:59:54,414 INFO L426 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-09-11 08:59:54,414 INFO L422 ceAbstractionStarter]: At program point L17-5(lines 17 21) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0))) (and (<= .cse0 2048) (<= 0 .cse0))) [2018-09-11 08:59:54,415 INFO L426 ceAbstractionStarter]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2018-09-11 08:59:54,415 INFO L422 ceAbstractionStarter]: At program point L13-4(lines 13 15) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0))) (and (<= .cse0 2048) (<= 0 .cse0))) [2018-09-11 08:59:54,415 INFO L426 ceAbstractionStarter]: For program point L13-5(lines 13 15) no Hoare annotation was computed. [2018-09-11 08:59:54,415 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 9 23) the Hoare annotation is: true [2018-09-11 08:59:54,415 INFO L426 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-09-11 08:59:54,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 08:59:54 BoogieIcfgContainer [2018-09-11 08:59:54,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 08:59:54,425 INFO L168 Benchmark]: Toolchain (without parser) took 2311.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -701.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2018-09-11 08:59:54,427 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. [2018-09-11 08:59:54,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.34 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. [2018-09-11 08:59:54,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.08 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. [2018-09-11 08:59:54,430 INFO L168 Benchmark]: Boogie Preprocessor took 27.08 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. [2018-09-11 08:59:54,431 INFO L168 Benchmark]: RCFGBuilder took 408.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-11 08:59:54,432 INFO L168 Benchmark]: TraceAbstraction took 1560.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2018-09-11 08:59:54,437 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 274.34 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 25.08 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 27.08 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 408.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1560.64 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 2 * i <= 2048 && 0 <= 2 * i - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 2 * i <= 2048 && 0 <= 2 * i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 39 SDslu, 36 SDs, 0 SdLazy, 53 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.81875 AbsIntWeakeningRatio, 0.4 AbsIntAvgWeakeningVarsNumRemoved, 0.25 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 21 NumberOfFragments, 38 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 78 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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-call3_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_08-59-54-452.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array_true-unreach-call3_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_08-59-54-452.csv Received shutdown request...