java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 15:26:38,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 15:26:38,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 15:26:38,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-23 15:26:38,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-23 15:26:38,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-23 15:26:38,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-23 15:26:38,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-23 15:26:38,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-23 15:26:38,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-23 15:26:38,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-23 15:26:38,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-23 15:26:38,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-23 15:26:38,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-23 15:26:38,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-23 15:26:38,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-23 15:26:38,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-23 15:26:38,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-23 15:26:38,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-23 15:26:38,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-23 15:26:38,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-23 15:26:38,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-23 15:26:38,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-23 15:26:38,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-23 15:26:38,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-23 15:26:38,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-23 15:26:38,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-23 15:26:38,253 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-23 15:26:38,254 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-23 15:26:38,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-23 15:26:38,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-23 15:26:38,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-12-23 15:26:38,261 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-23 15:26:38,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 15:26:38,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 15:26:38,284 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 15:26:38,284 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 15:26:38,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 15:26:38,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 15:26:38,285 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 15:26:38,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 15:26:38,285 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 15:26:38,285 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-23 15:26:38,286 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-23 15:26:38,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 15:26:38,287 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 15:26:38,287 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 15:26:38,288 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 15:26:38,288 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 15:26:38,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 15:26:38,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 15:26:38,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 15:26:38,290 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 15:26:38,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 15:26:38,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 15:26:38,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 15:26:38,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 15:26:38,291 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 15:26:38,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 15:26:38,291 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 15:26:38,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 15:26:38,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 15:26:38,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 15:26:38,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 15:26:38,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 15:26:38,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 15:26:38,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 15:26:38,293 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 15:26:38,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 15:26:38,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 15:26:38,294 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 15:26:38,295 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 15:26:38,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 15:26:38,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 15:26:38,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 15:26:38,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 15:26:38,373 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 15:26:38,374 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl [2018-12-23 15:26:38,374 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl' [2018-12-23 15:26:38,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 15:26:38,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 15:26:38,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 15:26:38,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 15:26:38,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 15:26:38,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 15:26:38,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 15:26:38,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 15:26:38,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 15:26:38,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:38,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 15:26:38,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 15:26:38,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 15:26:38,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 15:26:38,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:38" (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 [2018-12-23 15:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-23 15:26:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-23 15:26:38,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-23 15:26:38,971 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-23 15:26:38,973 INFO L202 PluginConnector]: Adding new model string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:26:38 BoogieIcfgContainer [2018-12-23 15:26:38,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 15:26:38,974 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-23 15:26:38,974 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-23 15:26:38,974 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-23 15:26:38,976 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:26:38" (1/1) ... [2018-12-23 15:26:39,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 15:26:50,890 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2018-12-23 15:26:50,891 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-23 15:26:50,892 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-23 15:26:50,893 WARN L223 ngHoareTripleChecker]: -- [2018-12-23 15:26:50,893 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(or (forall ((v_idx_63 Int) (v_idx_64 Int) (v_idx_61 Int) (v_idx_62 Int)) (exists ((v_v_19_1 Int) (v_b_2_1 Int) (v_v_17_1 Int) (v_v_18_1 Int) (v_b_3_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~i~5 (- v_v_18_1)) 128) (<= (- (- v_v_18_1) v_v_18_1) 256) (<= (- (- v_b_2_1) v_b_3_1) (- 1)) (<= (- v_v_18_1 (- v_v_18_1)) 254) (<= (- v_b_2_1 (- v_b_2_1)) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) v_v_18_1) 127) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_2_1)) 1) (<= (- c_ULTIMATE.start_main_~i~5 v_v_18_1) 129) (<= (- (- v_b_2_1) (- v_v_18_1)) 127) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~found~5)) 0) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_3_1)) 2) (<= (- v_b_2_1 v_b_3_1) (- 1)) (<= (- c_ULTIMATE.start_main_~found~5 (- v_v_18_1)) 127) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_2_1)) (- 1)) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_v_18_1)) 127) (<= (- (- v_b_2_1) v_b_2_1) 0) (<= (- v_b_3_1 v_v_18_1) 129) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_3_1) (- 2)) (<= (- (- c_ULTIMATE.start_main_~i~5) c_ULTIMATE.start_main_~i~5) (- 2)) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_3_1)) 0) (<= (- c_ULTIMATE.start_main_~found~5 v_b_2_1) 0) (<= (- v_b_2_1 v_v_18_1) 128) (<= (- (- c_ULTIMATE.start_main_~found~5) (- c_ULTIMATE.start_main_~i~5)) 1) (= (select c_ULTIMATE.start_main_~string_B~5 v_idx_61) v_v_5_1) (or (<= v_b_3_1 v_idx_63) (= (select c_ULTIMATE.start_main_~string_A~5 v_idx_63) v_v_18_1) (< v_idx_63 v_b_2_1)) (or (< v_idx_64 v_b_3_1) (= v_v_19_1 (select c_ULTIMATE.start_main_~string_A~5 v_idx_64))) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_2_1) 0) (<= (- c_ULTIMATE.start_main_~found~5 v_b_3_1) (- 1)) (<= (- v_b_2_1 (- v_v_18_1)) 127) (<= (- v_b_2_1 (- v_b_3_1)) 1) (<= (- (- v_b_3_1) (- v_v_18_1)) 126) (or (<= v_b_2_1 v_idx_62) (= (select c_ULTIMATE.start_main_~string_A~5 v_idx_62) v_v_17_1)) (<= (- c_ULTIMATE.start_main_~i~5 (- c_ULTIMATE.start_main_~i~5)) 2) (<= (- c_ULTIMATE.start_main_~i~5 v_b_3_1) 0) (<= (- (- v_b_3_1) v_v_18_1) 127) (<= (- (- c_ULTIMATE.start_main_~found~5) v_v_18_1) 128) (<= (- v_b_3_1 (- v_v_18_1)) 128) (<= (- (- v_b_2_1) v_v_18_1) 128) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_2_1) (- 1)) (<= (- v_b_3_1 (- v_b_3_1)) 2) (<= (- c_ULTIMATE.start_main_~found~5 v_v_18_1) 128) (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_2_1)) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~i~5) (- 1)) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_3_1)) 1) (<= (- (- v_b_2_1) (- v_b_3_1)) 1) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~i~5)) 1) (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_3_1)) 1) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_v_18_1)) 126) (<= (- c_ULTIMATE.start_main_~found~5 c_ULTIMATE.start_main_~i~5) (- 1)) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~found~5) 0) (<= (- (- v_b_3_1) v_b_3_1) (- 2)) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_3_1) (- 1)) (<= (- c_ULTIMATE.start_main_~i~5 v_b_2_1) 1) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_2_1)) 0)))) (forall ((v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int)) (exists ((v_v_234_1 Int) (v_b_14_1 Int) (v_v_233_1 Int) (v_v_236_1 Int) (v_b_15_1 Int) (v_v_235_1 Int)) (and (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_15_1)) 3) (<= (- v_b_15_1 (- v_b_15_1)) 6) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_v_234_1)) 127) (or (<= v_b_14_1 v_idx_65) (= (select c_ULTIMATE.start_main_~string_A~5 v_idx_65) v_v_233_1)) (= v_v_236_1 (select c_ULTIMATE.start_main_~string_B~5 v_idx_68)) (<= (- (- v_b_14_1) (- v_b_15_1)) 3) (<= (- c_ULTIMATE.start_main_~found~5 (- v_v_234_1)) 127) (<= (- c_ULTIMATE.start_main_~found~5 v_b_14_1) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_14_1) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_14_1)) 0) (<= (- c_ULTIMATE.start_main_~i~5 (- v_v_234_1)) 130) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~i~5)) 3) (<= (- v_b_14_1 (- v_b_15_1)) 3) (<= (- c_ULTIMATE.start_main_~i~5 v_v_234_1) 131) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~found~5)) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_15_1) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) v_v_234_1) 128) (<= (- (- c_ULTIMATE.start_main_~i~5) c_ULTIMATE.start_main_~i~5) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~i~5) 0) (<= (- v_b_14_1 (- v_v_234_1)) 127) (<= (- (- v_b_14_1) v_v_234_1) 128) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_14_1)) 3) (<= (- v_b_15_1 v_v_234_1) 131) (<= (- (- v_v_234_1) v_v_234_1) 256) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_14_1) 0) (or (< v_idx_66 v_b_14_1) (<= v_b_15_1 v_idx_66) (= v_v_234_1 (select c_ULTIMATE.start_main_~string_A~5 v_idx_66))) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_v_234_1)) 127) (<= (- v_v_234_1 (- v_v_234_1)) 254) (<= (- (- v_b_14_1) v_b_14_1) 0) (<= (- c_ULTIMATE.start_main_~found~5 v_v_234_1) 128) (<= (- (- v_b_15_1) v_b_15_1) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) (- c_ULTIMATE.start_main_~i~5)) 3) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_14_1)) 0) (<= (- v_b_14_1 (- v_b_14_1)) 0) (<= (- c_ULTIMATE.start_main_~found~5 v_b_15_1) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_15_1) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_15_1)) 0) (<= (- (- v_b_14_1) (- v_v_234_1)) 127) (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_14_1)) 0) (<= (- (- v_b_15_1) v_v_234_1) 128) (<= (- c_ULTIMATE.start_main_~found~5 c_ULTIMATE.start_main_~i~5) 0) (<= (- c_ULTIMATE.start_main_~i~5 v_b_15_1) 0) (<= (- (- v_b_15_1) (- v_v_234_1)) 127) (<= (- (- v_b_14_1) v_b_15_1) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) v_v_234_1) 128) (<= (- c_ULTIMATE.start_main_~i~5 (- c_ULTIMATE.start_main_~i~5)) 6) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~found~5) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_15_1)) 3) (<= (- v_b_14_1 v_b_15_1) 0) (<= (- c_ULTIMATE.start_main_~i~5 v_b_14_1) 3) (or (< v_idx_67 v_b_15_1) (= (select c_ULTIMATE.start_main_~string_A~5 v_idx_67) v_v_235_1)) (<= (- v_b_15_1 (- v_v_234_1)) 130) (<= (- v_b_14_1 v_v_234_1) 128) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_15_1)) 6)))))} [2018-12-23 15:26:50,897 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~5 < 5);assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];havoc main_#t~nondet1;main_#t~post0 := main_~i~5;main_~i~5 := main_#t~post0 + 1;havoc main_#t~post0; [2018-12-23 15:26:50,898 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (+ c_ULTIMATE.start_main_~i~5 1) c_ULTIMATE.start_main_~i~5_primed) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet1| 128)) (< c_ULTIMATE.start_main_~i~5 5) (= c_ULTIMATE.start_main_~string_A~5_primed (store c_ULTIMATE.start_main_~string_A~5 c_ULTIMATE.start_main_~i~5 |c_ULTIMATE.start_main_#t~nondet1|)) (<= |c_ULTIMATE.start_main_#t~nondet1| 127)) [2018-12-23 15:26:50,899 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(forall ((v_idx_69 Int) (v_idx_72 Int) (v_idx_70 Int) (v_idx_71 Int)) (exists ((v_v_234_1 Int) (v_b_14_1 Int) (v_v_233_1 Int) (v_v_236_1 Int) (v_v_246_1 Int) (v_b_19_1 Int)) (and (<= (- v_b_19_1 v_v_234_1) 132) (<= (- c_ULTIMATE.start_main_~i~5 v_v_234_1) 132) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_v_234_1)) 126) (or (< v_idx_71 v_b_14_1) (= (select c_ULTIMATE.start_main_~string_A~5 v_idx_71) v_v_234_1) (<= v_b_19_1 v_idx_71)) (<= (- c_ULTIMATE.start_main_~found~5 v_b_19_1) (- 1)) (<= (- c_ULTIMATE.start_main_~found~5 (- v_v_234_1)) 127) (<= (- c_ULTIMATE.start_main_~found~5 v_b_14_1) 0) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_14_1)) 4) (<= (- (- v_b_14_1) v_b_19_1) (- 1)) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_14_1)) (- 1)) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~found~5)) 0) (<= (- (- v_b_14_1) (- v_b_19_1)) 4) (<= (- v_b_14_1 (- v_v_234_1)) 127) (<= (- (- v_b_14_1) v_v_234_1) 128) (<= (- (- v_b_19_1) v_b_19_1) (- 2)) (<= (- (- v_v_234_1) v_v_234_1) 256) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_14_1) 0) (<= (- v_b_14_1 (- v_b_19_1)) 4) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_v_234_1)) 127) (= (select c_ULTIMATE.start_main_~string_B~5 v_idx_69) v_v_236_1) (<= (- (- c_ULTIMATE.start_main_~i~5) c_ULTIMATE.start_main_~i~5) (- 2)) (<= (- v_b_19_1 (- v_b_19_1)) 8) (<= (- c_ULTIMATE.start_main_~i~5 (- v_b_19_1)) 8) (<= (- v_v_234_1 (- v_v_234_1)) 254) (<= (- (- v_b_14_1) v_b_14_1) 0) (<= (- c_ULTIMATE.start_main_~found~5 v_v_234_1) 128) (<= (- c_ULTIMATE.start_main_~found~5 (- c_ULTIMATE.start_main_~i~5)) 4) (<= (- (- c_ULTIMATE.start_main_~found~5) v_b_19_1) (- 1)) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_14_1) (- 1)) (<= (- c_ULTIMATE.start_main_~i~5 v_b_14_1) 4) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_14_1)) 0) (<= (- (- c_ULTIMATE.start_main_~i~5) v_b_19_1) (- 2)) (<= (- v_b_14_1 (- v_b_14_1)) 0) (<= (- (- c_ULTIMATE.start_main_~found~5) (- c_ULTIMATE.start_main_~i~5)) 4) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~i~5) (- 1)) (<= (- (- c_ULTIMATE.start_main_~i~5) v_v_234_1) 127) (<= (- (- v_b_19_1) (- v_v_234_1)) 126) (<= (- v_b_14_1 v_b_19_1) (- 1)) (<= (- (- v_b_14_1) (- v_v_234_1)) 127) (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_14_1)) 0) (or (= v_v_246_1 (select c_ULTIMATE.start_main_~string_A~5 v_idx_72)) (< v_idx_72 v_b_19_1)) (<= (- c_ULTIMATE.start_main_~i~5 (- v_v_234_1)) 131) (<= (- (- c_ULTIMATE.start_main_~i~5) (- v_b_19_1)) 0) (<= (- (- v_b_19_1) v_v_234_1) 127) (<= (- c_ULTIMATE.start_main_~i~5 (- c_ULTIMATE.start_main_~i~5)) 8) (<= (- c_ULTIMATE.start_main_~found~5 c_ULTIMATE.start_main_~i~5) (- 1)) (<= (- (- c_ULTIMATE.start_main_~found~5) (- v_b_19_1)) 4) (<= (- (- c_ULTIMATE.start_main_~found~5) v_v_234_1) 128) (<= (- (- c_ULTIMATE.start_main_~found~5) c_ULTIMATE.start_main_~found~5) 0) (<= (- c_ULTIMATE.start_main_~found~5 (- v_b_19_1)) 4) (<= (- v_b_19_1 (- v_v_234_1)) 131) (or (<= v_b_14_1 v_idx_70) (= v_v_233_1 (select c_ULTIMATE.start_main_~string_A~5 v_idx_70))) (<= (- c_ULTIMATE.start_main_~i~5 v_b_19_1) 0) (<= (- v_b_14_1 v_v_234_1) 128))))} [2018-12-23 15:26:50,899 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2018-12-23 15:26:50,908 WARN L268 ngHoareTripleChecker]: -- [2018-12-23 15:26:50,909 WARN L269 ngHoareTripleChecker]: Simplified triple [2018-12-23 15:26:59,330 WARN L181 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 274 DAG size of output: 146 [2018-12-23 15:26:59,331 WARN L270 ngHoareTripleChecker]: Pre: {2147483631#(forall ((v_idx_67 Int) (v_idx_68 Int) (v_idx_65 Int) (v_idx_66 Int)) (exists ((v_v_234_1 Int) (v_b_14_1 Int) (v_v_233_1 Int) (v_v_236_1 Int) (v_b_15_1 Int) (v_v_235_1 Int)) (and (<= (- ULTIMATE.start_main_~found~5 (- v_b_15_1)) 3) (<= (- v_b_15_1 (- v_b_15_1)) 6) (<= (- (- ULTIMATE.start_main_~i~5) (- v_v_234_1)) 127) (or (<= v_b_14_1 v_idx_65) (= (select ULTIMATE.start_main_~string_A~5 v_idx_65) v_v_233_1)) (= v_v_236_1 (select ULTIMATE.start_main_~string_B~5 v_idx_68)) (<= (- (- v_b_14_1) (- v_b_15_1)) 3) (<= (- ULTIMATE.start_main_~found~5 (- v_v_234_1)) 127) (<= (- ULTIMATE.start_main_~found~5 v_b_14_1) 0) (<= (- (- ULTIMATE.start_main_~i~5) v_b_14_1) 0) (<= (- (- ULTIMATE.start_main_~i~5) (- v_b_14_1)) 0) (<= (- ULTIMATE.start_main_~i~5 (- v_v_234_1)) 130) (<= (- ULTIMATE.start_main_~found~5 (- ULTIMATE.start_main_~i~5)) 3) (<= (- v_b_14_1 (- v_b_15_1)) 3) (<= (- ULTIMATE.start_main_~i~5 v_v_234_1) 131) (<= (- ULTIMATE.start_main_~found~5 (- ULTIMATE.start_main_~found~5)) 0) (<= (- (- ULTIMATE.start_main_~i~5) v_b_15_1) 0) (<= (- (- ULTIMATE.start_main_~i~5) v_v_234_1) 128) (<= (- (- ULTIMATE.start_main_~i~5) ULTIMATE.start_main_~i~5) 0) (<= (- (- ULTIMATE.start_main_~found~5) ULTIMATE.start_main_~i~5) 0) (<= (- v_b_14_1 (- v_v_234_1)) 127) (<= (- (- v_b_14_1) v_v_234_1) 128) (<= (- ULTIMATE.start_main_~i~5 (- v_b_14_1)) 3) (<= (- v_b_15_1 v_v_234_1) 131) (<= (- (- v_v_234_1) v_v_234_1) 256) (<= (- (- ULTIMATE.start_main_~found~5) v_b_14_1) 0) (or (< v_idx_66 v_b_14_1) (<= v_b_15_1 v_idx_66) (= v_v_234_1 (select ULTIMATE.start_main_~string_A~5 v_idx_66))) (<= (- (- ULTIMATE.start_main_~found~5) (- v_v_234_1)) 127) (<= (- v_v_234_1 (- v_v_234_1)) 254) (<= (- (- v_b_14_1) v_b_14_1) 0) (<= (- ULTIMATE.start_main_~found~5 v_v_234_1) 128) (<= (- (- v_b_15_1) v_b_15_1) 0) (<= (- (- ULTIMATE.start_main_~found~5) (- ULTIMATE.start_main_~i~5)) 3) (<= (- (- ULTIMATE.start_main_~found~5) (- v_b_14_1)) 0) (<= (- v_b_14_1 (- v_b_14_1)) 0) (<= (- ULTIMATE.start_main_~found~5 v_b_15_1) 0) (<= (- (- ULTIMATE.start_main_~found~5) v_b_15_1) 0) (<= (- (- ULTIMATE.start_main_~i~5) (- v_b_15_1)) 0) (<= (- (- v_b_14_1) (- v_v_234_1)) 127) (<= (- ULTIMATE.start_main_~found~5 (- v_b_14_1)) 0) (<= (- (- v_b_15_1) v_v_234_1) 128) (<= (- ULTIMATE.start_main_~found~5 ULTIMATE.start_main_~i~5) 0) (<= (- ULTIMATE.start_main_~i~5 v_b_15_1) 0) (<= (- (- v_b_15_1) (- v_v_234_1)) 127) (<= (- (- v_b_14_1) v_b_15_1) 0) (<= (- (- ULTIMATE.start_main_~found~5) v_v_234_1) 128) (<= (- ULTIMATE.start_main_~i~5 (- ULTIMATE.start_main_~i~5)) 6) (<= (- (- ULTIMATE.start_main_~found~5) ULTIMATE.start_main_~found~5) 0) (<= (- (- ULTIMATE.start_main_~found~5) (- v_b_15_1)) 3) (<= (- v_b_14_1 v_b_15_1) 0) (<= (- ULTIMATE.start_main_~i~5 v_b_14_1) 3) (or (< v_idx_67 v_b_15_1) (= (select ULTIMATE.start_main_~string_A~5 v_idx_67) v_v_235_1)) (<= (- v_b_15_1 (- v_v_234_1)) 130) (<= (- v_b_14_1 v_v_234_1) 128) (<= (- ULTIMATE.start_main_~i~5 (- v_b_15_1)) 6))))} [2018-12-23 15:26:59,331 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~5 < 5);assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];havoc main_#t~nondet1;main_#t~post0 := main_~i~5;main_~i~5 := main_#t~post0 + 1;havoc main_#t~post0; [2018-12-23 15:26:59,332 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (+ c_ULTIMATE.start_main_~i~5 1) c_ULTIMATE.start_main_~i~5_primed) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet1| 128)) (< c_ULTIMATE.start_main_~i~5 5) (= c_ULTIMATE.start_main_~string_A~5_primed (store c_ULTIMATE.start_main_~string_A~5 c_ULTIMATE.start_main_~i~5 |c_ULTIMATE.start_main_#t~nondet1|)) (<= |c_ULTIMATE.start_main_#t~nondet1| 127))