java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 14:35:07,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 14:35:07,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 14:35:07,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-18 14:35:07,325 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 [2019-01-18 14:35:07,348 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 14:35:07,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 14:35:07,349 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 14:35:07,350 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 14:35:07,350 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 14:35:07,350 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 14:35:07,350 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 14:35:07,350 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 14:35:07,351 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 14:35:07,351 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-18 14:35:07,351 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 14:35:07,351 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 14:35:07,351 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 14:35:07,353 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 14:35:07,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 14:35:07,353 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 14:35:07,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 14:35:07,354 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 14:35:07,354 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 14:35:07,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 14:35:07,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 14:35:07,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 14:35:07,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 14:35:07,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 14:35:07,356 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 14:35:07,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 14:35:07,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 14:35:07,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 14:35:07,357 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 14:35:07,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 14:35:07,358 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 14:35:07,358 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 14:35:07,358 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 14:35:07,358 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 14:35:07,358 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 14:35:07,359 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 14:35:07,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 14:35:07,359 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 14:35:07,360 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 14:35:07,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 14:35:07,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 14:35:07,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 14:35:07,435 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 14:35:07,436 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 14:35:07,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2019-01-18 14:35:07,437 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2019-01-18 14:35:07,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 14:35:07,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 14:35:07,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 14:35:07,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 14:35:07,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 14:35:07,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 14:35:07,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 14:35:07,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 14:35:07,522 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 14:35:07,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/1) ... [2019-01-18 14:35:07,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 14:35:07,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 14:35:07,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 14:35:07,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 14:35:07,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (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 [2019-01-18 14:35:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 14:35:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 14:35:08,151 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 14:35:08,151 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-18 14:35:08,152 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:35:08 BoogieIcfgContainer [2019-01-18 14:35:08,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 14:35:08,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-18 14:35:08,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-18 14:35:08,156 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-18 14:35:08,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:35:07" (1/2) ... [2019-01-18 14:35:08,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516e217b and model type invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 02:35:08, skipping insertion in model container [2019-01-18 14:35:08,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:35:08" (2/2) ... [2019-01-18 14:35:08,160 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string.i_4.bpl [2019-01-18 14:35:08,170 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-18 14:35:08,178 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-18 14:35:08,195 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-18 14:35:08,230 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-18 14:35:08,230 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-18 14:35:08,230 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-18 14:35:08,230 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-18 14:35:08,231 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-18 14:35:08,231 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-18 14:35:08,231 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-18 14:35:08,231 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-18 14:35:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-18 14:35:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-18 14:35:08,252 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:35:08,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-18 14:35:08,260 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:35:08,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:35:08,271 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-01-18 14:35:08,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:35:08,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:08,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:35:08,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:08,318 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:35:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:35:08,460 INFO L273 TraceCheckUtils]: 0: Hoare triple {10#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10#true} is VALID [2019-01-18 14:35:08,469 INFO L273 TraceCheckUtils]: 1: Hoare triple {10#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {12#(<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))} is VALID [2019-01-18 14:35:08,471 INFO L273 TraceCheckUtils]: 2: Hoare triple {12#(<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11#false} is VALID [2019-01-18 14:35:08,472 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2019-01-18 14:35:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:35:08,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-18 14:35:08,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-18 14:35:08,477 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 14:35:08,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-18 14:35:08,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-18 14:35:08,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-18 14:35:08,523 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:35:08,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-18 14:35:08,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-18 14:35:08,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-18 14:35:08,534 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-01-18 14:35:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:08,652 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-01-18 14:35:08,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-18 14:35:08,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-18 14:35:08,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 14:35:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-18 14:35:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-18 14:35:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-18 14:35:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-18 14:35:08,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2019-01-18 14:35:08,778 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:35:08,787 INFO L225 Difference]: With dead ends: 10 [2019-01-18 14:35:08,788 INFO L226 Difference]: Without dead ends: 6 [2019-01-18 14:35:08,790 INFO L631 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 [2019-01-18 14:35:08,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-18 14:35:08,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-18 14:35:08,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-18 14:35:08,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2019-01-18 14:35:08,829 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-18 14:35:08,830 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-18 14:35:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:08,831 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-18 14:35:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-18 14:35:08,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:35:08,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:35:08,832 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-18 14:35:08,832 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-18 14:35:08,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:08,834 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-18 14:35:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-18 14:35:08,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:35:08,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:35:08,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-18 14:35:08,835 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-18 14:35:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-18 14:35:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-01-18 14:35:08,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2019-01-18 14:35:08,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 14:35:08,839 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-01-18 14:35:08,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-18 14:35:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-18 14:35:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-18 14:35:08,852 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:35:08,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-18 14:35:08,855 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:35:08,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:35:08,856 INFO L82 PathProgramCache]: Analyzing trace with hash 28791948, now seen corresponding path program 1 times [2019-01-18 14:35:08,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:35:08,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:08,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:35:08,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:08,857 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:35:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:35:09,003 INFO L273 TraceCheckUtils]: 0: Hoare triple {52#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {54#(<= ULTIMATE.start_main_~i~6 0)} is VALID [2019-01-18 14:35:09,007 INFO L273 TraceCheckUtils]: 1: Hoare triple {54#(<= ULTIMATE.start_main_~i~6 0)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {55#(<= (+ ULTIMATE.start_main_~i~6 1) 0)} is VALID [2019-01-18 14:35:09,009 INFO L273 TraceCheckUtils]: 2: Hoare triple {55#(<= (+ ULTIMATE.start_main_~i~6 1) 0)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {53#false} is VALID [2019-01-18 14:35:09,009 INFO L273 TraceCheckUtils]: 3: Hoare triple {53#false} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {53#false} is VALID [2019-01-18 14:35:09,009 INFO L273 TraceCheckUtils]: 4: Hoare triple {53#false} assume !false; {53#false} is VALID [2019-01-18 14:35:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:35:09,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-18 14:35:09,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-18 14:35:09,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-18 14:35:09,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-18 14:35:09,013 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-18 14:35:09,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-01-18 14:35:09,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:35:09,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-18 14:35:09,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-18 14:35:09,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-18 14:35:09,024 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2019-01-18 14:35:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:09,282 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-18 14:35:09,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-18 14:35:09,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-18 14:35:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-18 14:35:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-18 14:35:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-18 14:35:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-18 14:35:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-18 14:35:09,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2019-01-18 14:35:09,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-18 14:35:09,318 INFO L225 Difference]: With dead ends: 11 [2019-01-18 14:35:09,318 INFO L226 Difference]: Without dead ends: 7 [2019-01-18 14:35:09,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-18 14:35:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-18 14:35:09,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-18 14:35:09,334 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-18 14:35:09,334 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2019-01-18 14:35:09,334 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-18 14:35:09,335 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-18 14:35:09,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:09,336 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-18 14:35:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-18 14:35:09,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:35:09,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:35:09,337 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-18 14:35:09,337 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-18 14:35:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-18 14:35:09,338 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-18 14:35:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-18 14:35:09,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-18 14:35:09,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-18 14:35:09,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-18 14:35:09,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-18 14:35:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-18 14:35:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-01-18 14:35:09,340 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-01-18 14:35:09,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-18 14:35:09,341 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-01-18 14:35:09,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-18 14:35:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-18 14:35:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-18 14:35:09,341 INFO L394 BasicCegarLoop]: Found error trace [2019-01-18 14:35:09,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-18 14:35:09,342 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-18 14:35:09,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-18 14:35:09,342 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-01-18 14:35:09,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-18 14:35:09,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:09,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-18 14:35:09,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-18 14:35:09,344 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-18 14:35:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-18 14:35:09,792 INFO L273 TraceCheckUtils]: 0: Hoare triple {103#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {105#(or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)))} is VALID [2019-01-18 14:35:09,793 INFO L273 TraceCheckUtils]: 1: Hoare triple {105#(or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} is VALID [2019-01-18 14:35:09,794 INFO L273 TraceCheckUtils]: 2: Hoare triple {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-01-18 14:35:09,797 INFO L273 TraceCheckUtils]: 3: Hoare triple {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-01-18 14:35:09,798 INFO L273 TraceCheckUtils]: 4: Hoare triple {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {104#false} is VALID [2019-01-18 14:35:09,799 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-18 14:35:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-18 14:35:09,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-18 14:35:09,800 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-18 14:35:09,801 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2019-01-18 14:35:09,804 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2019-01-18 14:35:09,863 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-18 14:35:09,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 14:35:09,940 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-01-18 14:35:18,248 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:35:18,249 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:35:18,249 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:35:18,250 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:35:18,250 WARN L224 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_43 Int) (v_idx_44 Int) (v_idx_41 Int) (v_idx_42 Int)) (exists ((v_v_9_1 Int) (v_v_11_1 Int) (v_v_10_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) (- 2)) (or (<= c_ULTIMATE.start_main_~cont~6 v_idx_42) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_42) v_v_9_1)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~i~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_10_1)) 4294967422) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 1)) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (or (<= 1 (+ c_ULTIMATE.start_main_~cont~6 v_idx_43)) (< v_idx_43 c_ULTIMATE.start_main_~cont~6) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_43) v_v_10_1)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~i~6 v_v_10_1) 129) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_10_1) 128) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_10_1) 128) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) (- 2)) (or (= v_v_11_1 (select c_ULTIMATE.start_main_~str1~6 v_idx_44)) (< (+ c_ULTIMATE.start_main_~cont~6 v_idx_44) 1)) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_10_1)) 127) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_10_1) 127) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 1)) (= (select c_ULTIMATE.start_main_~str2~6 v_idx_41) v_v_5_1) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 2)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_10_1) 127) (<= v_v_10_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 1) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_10_1 128)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_10_1)) 126) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967294) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_10_1) 4294967423) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_10_1)) 126) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_10_1)) 127) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_10_1)) 128) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_10_1) 127) (<= (- v_v_10_1 (- v_v_10_1)) 254) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) (- 1)) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_10_1 128)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (- (- v_v_10_1) v_v_10_1) 256) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 1) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 1))))) (forall ((v_idx_40 Int) (v_idx_39 Int)) (exists ((v_v_4_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) 8589934592) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) 4294967296) (= v_v_4_1 (select c_ULTIMATE.start_main_~str1~6 v_idx_40)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 4294967296) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) 4294967296) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 0) (= (select c_ULTIMATE.start_main_~str2~6 v_idx_39) v_v_5_1) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967295) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) 0) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967295) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 0)))))} [2019-01-18 14:35:18,250 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; [2019-01-18 14:35:18,251 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_ULTIMATE.start_main_~str1~6_primed (store c_ULTIMATE.start_main_~str1~6 c_ULTIMATE.start_main_~i~6 |c_ULTIMATE.start_main_#t~nondet2|)) (< c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~MAX~6) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet2| 128)) (<= |c_ULTIMATE.start_main_#t~nondet2| 127) (= c_ULTIMATE.start_main_~i~6_primed (+ c_ULTIMATE.start_main_~i~6 1))) [2019-01-18 14:35:18,251 WARN L230 ngHoareTripleChecker]: Post: {2147483634#(or (forall ((v_idx_47 Int) (v_idx_48 Int) (v_idx_45 Int) (v_idx_46 Int)) (exists ((v_v_95_1 Int) (v_v_94_1 Int) (v_v_93_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_94_1 128)) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~i~6) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 1)) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_94_1) 127) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= (- (- v_v_94_1) v_v_94_1) 256) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= v_v_94_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_94_1)) 128) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_94_1) 127) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_94_1) 4294967423) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_94_1)) 127) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_94_1)) 126) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- c_ULTIMATE.start_main_~i~6 v_v_94_1) 129) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 2)) (= (select c_ULTIMATE.start_main_~str2~6 v_idx_45) v_v_5_1) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_94_1) 128) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 1) (or (= v_v_95_1 (select c_ULTIMATE.start_main_~str1~6 v_idx_48)) (< (+ v_idx_48 c_ULTIMATE.start_main_~cont~6) 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_94_1) 127) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967294) (or (= (select c_ULTIMATE.start_main_~str1~6 v_idx_46) v_v_93_1) (<= c_ULTIMATE.start_main_~cont~6 v_idx_46)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_94_1)) 4294967422) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_94_1 128)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_94_1)) 127) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_94_1) 128) (<= (- v_v_94_1 (- v_v_94_1)) 254) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 1) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 1)) (or (< v_idx_47 c_ULTIMATE.start_main_~cont~6) (<= 1 (+ v_idx_47 c_ULTIMATE.start_main_~cont~6)) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_47) v_v_94_1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_94_1)) 126)))) (forall ((v_idx_52 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_49 Int)) (exists ((v_v_98_1 Int) (v_v_9_1 Int) (v_v_10_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_10_1) 126) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 2) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) (- 4)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_10_1)) 4294967422) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) (- 4)) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_10_1) 126) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 4) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_10_1) 128) (<= 2 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_10_1) 128) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_10_1)) 125) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_10_1)) 127) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967297) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 4)) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 2)) (<= v_v_10_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_10_1 128)) (or (< v_idx_52 (+ c_ULTIMATE.start_main_~cont~6 2)) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_52) v_v_98_1)) (or (<= c_ULTIMATE.start_main_~cont~6 v_idx_50) (= v_v_9_1 (select c_ULTIMATE.start_main_~str1~6 v_idx_50))) (<= 2 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_10_1) 4294967423) (= v_v_5_1 (select c_ULTIMATE.start_main_~str2~6 v_idx_49)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 2)) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967293) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_10_1)) 127) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 2)) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_10_1) 127) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 2) (<= (- v_v_10_1 (- v_v_10_1)) 254) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_10_1 128)) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= (- (- v_v_10_1) v_v_10_1) 256) (<= (+ c_ULTIMATE.start_main_~cont~6 2) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_10_1)) 129) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 2) c_ULTIMATE.start_main_~i~6) (<= (- c_ULTIMATE.start_main_~i~6 v_v_10_1) 130) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_10_1)) 125) (or (<= (+ c_ULTIMATE.start_main_~cont~6 2) v_idx_51) (= v_v_10_1 (select c_ULTIMATE.start_main_~str1~6 v_idx_51)) (< v_idx_51 c_ULTIMATE.start_main_~cont~6))))))} [2019-01-18 14:35:18,251 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:35:18,318 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:35:18,318 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:35:20,436 WARN L181 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 166 [2019-01-18 14:35:20,437 WARN L270 ngHoareTripleChecker]: Pre: {2147483635#(or (forall ((v_idx_43 Int) (v_idx_44 Int) (v_idx_41 Int) (v_idx_42 Int)) (exists ((v_v_9_1 Int) (v_v_11_1 Int) (v_v_10_1 Int) (v_v_5_1 Int)) (and (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 4294967295) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 1) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) (- 2)) (or (<= ULTIMATE.start_main_~cont~6 v_idx_42) (= (select ULTIMATE.start_main_~str1~6 v_idx_42) v_v_9_1)) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~i~6) (<= (- ULTIMATE.start_main_~MAX~6 (- v_v_10_1)) 4294967422) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~cont~6 1)) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (or (<= 1 (+ ULTIMATE.start_main_~cont~6 v_idx_43)) (< v_idx_43 ULTIMATE.start_main_~cont~6) (= (select ULTIMATE.start_main_~str1~6 v_idx_43) v_v_10_1)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 4294967295)) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= (- ULTIMATE.start_main_~i~6 v_v_10_1) 129) (<= (- (- ULTIMATE.start_main_~cont~6) v_v_10_1) 128) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6)) (<= (- ULTIMATE.start_main_~cont~6 v_v_10_1) 128) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) (- 2)) (or (= v_v_11_1 (select ULTIMATE.start_main_~str1~6 v_idx_44)) (< (+ ULTIMATE.start_main_~cont~6 v_idx_44) 1)) (<= (- ULTIMATE.start_main_~cont~6 (- v_v_10_1)) 127) (<= (- (- ULTIMATE.start_main_~i~6) v_v_10_1) 127) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) (- 1)) (= (select ULTIMATE.start_main_~str2~6 v_idx_41) v_v_5_1) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 4294967296) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~MAX~6) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) (- 2)) (<= (- (- ULTIMATE.start_main_~MAX~6) v_v_10_1) 127) (<= v_v_10_1 (+ ULTIMATE.start_main_~cont~6 127)) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 1) (<= ULTIMATE.start_main_~cont~6 (+ v_v_10_1 128)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- v_v_10_1)) 126) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967294) (<= (- ULTIMATE.start_main_~MAX~6 v_v_10_1) 4294967423) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- ULTIMATE.start_main_~i~6) (- v_v_10_1)) 126) (<= (- (- ULTIMATE.start_main_~cont~6) (- v_v_10_1)) 127) (<= (- ULTIMATE.start_main_~i~6 (- v_v_10_1)) 128) (<= (+ ULTIMATE.start_main_~cont~6 v_v_10_1) 127) (<= (- v_v_10_1 (- v_v_10_1)) 254) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) (- 1)) (<= 0 (+ ULTIMATE.start_main_~cont~6 v_v_10_1 128)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 2) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 4294967295) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6)) (<= (- (- v_v_10_1) v_v_10_1) 256) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 1) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) (- 1))))) (forall ((v_idx_40 Int) (v_idx_39 Int)) (exists ((v_v_4_1 Int) (v_v_5_1 Int)) (and (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) 8589934592) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) 4294967296) (= v_v_4_1 (select ULTIMATE.start_main_~str1~6 v_idx_40)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) 4294967296) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) 4294967296) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 0) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 0) (= (select ULTIMATE.start_main_~str2~6 v_idx_39) v_v_5_1) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) 4294967296) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 4294967295) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) 0) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 0) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967295) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 0)))))} [2019-01-18 14:35:20,437 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; [2019-01-18 14:35:20,438 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_ULTIMATE.start_main_~str1~6_primed (store c_ULTIMATE.start_main_~str1~6 c_ULTIMATE.start_main_~i~6 |c_ULTIMATE.start_main_#t~nondet2|)) (< c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~MAX~6) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet2| 128)) (<= |c_ULTIMATE.start_main_#t~nondet2| 127) (= c_ULTIMATE.start_main_~i~6_primed (+ c_ULTIMATE.start_main_~i~6 1))) [2019-01-18 14:35:26,625 WARN L181 SmtUtils]: Spent 6.19 s on a formula simplification that was a NOOP. DAG size: 228 [2019-01-18 14:35:26,626 WARN L276 ngHoareTripleChecker]: Post: {2147483634#(or (forall ((v_idx_47 Int) (v_idx_48 Int) (v_idx_45 Int) (v_idx_46 Int)) (exists ((v_v_95_1 Int) (v_v_94_1 Int) (v_v_93_1 Int) (v_v_5_1 Int)) (and (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 4294967295) (<= ULTIMATE.start_main_~cont~6 (+ v_v_94_1 128)) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 1) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) (- 2)) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~cont~6 1)) (<= (- (- ULTIMATE.start_main_~i~6) v_v_94_1) 127) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (<= (- (- v_v_94_1) v_v_94_1) 256) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 4294967295)) (<= v_v_94_1 (+ ULTIMATE.start_main_~cont~6 127)) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= (- ULTIMATE.start_main_~i~6 (- v_v_94_1)) 128) (<= (+ ULTIMATE.start_main_~cont~6 v_v_94_1) 127) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) (- 2)) (<= (- ULTIMATE.start_main_~MAX~6 v_v_94_1) 4294967423) (<= (- (- ULTIMATE.start_main_~cont~6) (- v_v_94_1)) 127) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) (- 1)) (<= (- (- ULTIMATE.start_main_~i~6) (- v_v_94_1)) 126) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 4294967296) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~MAX~6) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- ULTIMATE.start_main_~i~6 v_v_94_1) 129) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) (- 2)) (= (select ULTIMATE.start_main_~str2~6 v_idx_45) v_v_5_1) (<= (- ULTIMATE.start_main_~cont~6 v_v_94_1) 128) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 1) (or (= v_v_95_1 (select ULTIMATE.start_main_~str1~6 v_idx_48)) (< (+ v_idx_48 ULTIMATE.start_main_~cont~6) 1)) (<= (- (- ULTIMATE.start_main_~MAX~6) v_v_94_1) 127) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967294) (or (= (select ULTIMATE.start_main_~str1~6 v_idx_46) v_v_93_1) (<= ULTIMATE.start_main_~cont~6 v_idx_46)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- ULTIMATE.start_main_~MAX~6 (- v_v_94_1)) 4294967422) (<= 0 (+ ULTIMATE.start_main_~cont~6 v_v_94_1 128)) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) (- 1)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 2) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 4294967295) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6)) (<= (- ULTIMATE.start_main_~cont~6 (- v_v_94_1)) 127) (<= (- (- ULTIMATE.start_main_~cont~6) v_v_94_1) 128) (<= (- v_v_94_1 (- v_v_94_1)) 254) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 1) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) (- 1)) (or (< v_idx_47 ULTIMATE.start_main_~cont~6) (<= 1 (+ v_idx_47 ULTIMATE.start_main_~cont~6)) (= (select ULTIMATE.start_main_~str1~6 v_idx_47) v_v_94_1)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- v_v_94_1)) 126)))) (forall ((v_idx_52 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_49 Int)) (exists ((v_v_98_1 Int) (v_v_9_1 Int) (v_v_10_1 Int) (v_v_5_1 Int)) (and (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- ULTIMATE.start_main_~MAX~6) v_v_10_1) 126) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) (- 2)) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 2) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) (- 4)) (<= (- ULTIMATE.start_main_~MAX~6 (- v_v_10_1)) 4294967422) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) (- 4)) (<= (- (- ULTIMATE.start_main_~i~6) v_v_10_1) 126) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 4294967295)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 4) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= (- (- ULTIMATE.start_main_~cont~6) v_v_10_1) 128) (<= 2 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6)) (<= (- ULTIMATE.start_main_~cont~6 v_v_10_1) 128) (<= (- (- ULTIMATE.start_main_~i~6) (- v_v_10_1)) 125) (<= (- ULTIMATE.start_main_~cont~6 (- v_v_10_1)) 127) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 4294967297) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) (- 4)) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 2) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) (- 2)) (<= v_v_10_1 (+ ULTIMATE.start_main_~cont~6 127)) (<= ULTIMATE.start_main_~cont~6 (+ v_v_10_1 128)) (or (< v_idx_52 (+ ULTIMATE.start_main_~cont~6 2)) (= (select ULTIMATE.start_main_~str1~6 v_idx_52) v_v_98_1)) (or (<= ULTIMATE.start_main_~cont~6 v_idx_50) (= v_v_9_1 (select ULTIMATE.start_main_~str1~6 v_idx_50))) (<= 2 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6)) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) (- 2)) (<= (- ULTIMATE.start_main_~MAX~6 v_v_10_1) 4294967423) (= v_v_5_1 (select ULTIMATE.start_main_~str2~6 v_idx_49)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) (- 2)) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967293) (<= (- (- ULTIMATE.start_main_~cont~6) (- v_v_10_1)) 127) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~cont~6 2)) (<= (+ ULTIMATE.start_main_~cont~6 v_v_10_1) 127) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 2) (<= (- v_v_10_1 (- v_v_10_1)) 254) (<= 0 (+ ULTIMATE.start_main_~cont~6 v_v_10_1 128)) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 4294967295) (<= (- (- v_v_10_1) v_v_10_1) 256) (<= (+ ULTIMATE.start_main_~cont~6 2) ULTIMATE.start_main_~MAX~6) (<= (- ULTIMATE.start_main_~i~6 (- v_v_10_1)) 129) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= (+ ULTIMATE.start_main_~cont~6 2) ULTIMATE.start_main_~i~6) (<= (- ULTIMATE.start_main_~i~6 v_v_10_1) 130) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- v_v_10_1)) 125) (or (<= (+ ULTIMATE.start_main_~cont~6 2) v_idx_51) (= v_v_10_1 (select ULTIMATE.start_main_~str1~6 v_idx_51)) (< v_idx_51 ULTIMATE.start_main_~cont~6))))))} [2019-01-18 14:38:14,394 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 14:38:14,394 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 14:38:14,395 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 14:38:14,395 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 14:38:14,396 WARN L224 ngHoareTripleChecker]: Pre: {2147483585#(or (forall ((v_idx_353 Int) (v_idx_354 Int) (v_idx_351 Int) (v_idx_352 Int)) (exists ((v_v_95_1 Int) (v_v_94_1 Int) (v_v_93_1 Int) (v_v_5_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_94_1 128)) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~i~6) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 1)) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_94_1) 127) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= (- (- v_v_94_1) v_v_94_1) 256) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= v_v_94_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_94_1)) 128) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_94_1) 127) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_94_1) 4294967423) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_94_1)) 127) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_94_1)) 126) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (= v_v_5_1 (select c_ULTIMATE.start_main_~str2~6 v_idx_351)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- c_ULTIMATE.start_main_~i~6 v_v_94_1) 129) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 2)) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_94_1) 128) (or (= (select c_ULTIMATE.start_main_~str1~6 v_idx_354) v_v_95_1) (< (+ c_ULTIMATE.start_main_~cont~6 v_idx_354) 1)) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 1) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_94_1) 127) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967294) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_94_1)) 4294967422) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_94_1 128)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_94_1)) 127) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_94_1) 128) (<= (- v_v_94_1 (- v_v_94_1)) 254) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 1) (or (< v_idx_353 c_ULTIMATE.start_main_~cont~6) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 v_idx_353)) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_353) v_v_94_1)) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_94_1)) 126) (or (<= c_ULTIMATE.start_main_~cont~6 v_idx_352) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_352) v_v_93_1))))) (forall ((v_idx_357 Int) (v_idx_358 Int) (v_idx_355 Int) (v_idx_356 Int)) (exists ((v_v_1365_1 Int) (v_v_1367_1 Int) (v_v_1366_1 Int) (v_v_1368_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) 8589934592) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_1367_1)) 127) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_1367_1)) 127) (<= (* 2 c_ULTIMATE.start_main_~i~6) 254) (<= c_ULTIMATE.start_main_~cont~6 (+ c_ULTIMATE.start_main_~MAX~6 4294967296)) (<= 0 (+ v_v_1367_1 c_ULTIMATE.start_main_~i~6 128)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) 4294967296) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_1367_1) 128) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 127) (<= (+ v_v_1367_1 c_ULTIMATE.start_main_~i~6) 254) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= 0 (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6 4294967296)) (<= c_ULTIMATE.start_main_~i~6 (+ v_v_1367_1 254)) (<= (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967422) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 0) (= (select c_ULTIMATE.start_main_~str2~6 v_idx_355) v_v_1365_1) (or (<= c_ULTIMATE.start_main_~cont~6 v_idx_356) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_356) v_v_1366_1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_1367_1)) 4294967423) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_1367_1)) 127) (<= (- (- v_v_1367_1) v_v_1367_1) 256) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_1367_1) 128) (or (<= c_ULTIMATE.start_main_~i~6 v_idx_357) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_357) v_v_1367_1) (< v_idx_357 c_ULTIMATE.start_main_~cont~6)) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_1367_1) 128) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 127) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (or (= (select c_ULTIMATE.start_main_~str1~6 v_idx_358) v_v_1368_1) (< v_idx_358 c_ULTIMATE.start_main_~i~6)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 127) (<= v_v_1367_1 (+ c_ULTIMATE.start_main_~i~6 127)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 4294967296) (<= (- v_v_1367_1 (- v_v_1367_1)) 254) (<= (- c_ULTIMATE.start_main_~i~6 v_v_1367_1) 254) (<= c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= v_v_1367_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~i~6 4294967295)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_1367_1)) 4294967422) (<= 0 (* 2 c_ULTIMATE.start_main_~i~6)) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_1367_1 128)) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_1367_1 128)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_1367_1) 4294967424) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) 4294967296) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 254) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_1367_1) 4294967423) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) 4294967296) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967422) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_1367_1)) 254) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_1367_1) 127) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967295)))))} [2019-01-18 14:38:14,396 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; [2019-01-18 14:38:14,396 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_ULTIMATE.start_main_~str1~6_primed (store c_ULTIMATE.start_main_~str1~6 c_ULTIMATE.start_main_~i~6 |c_ULTIMATE.start_main_#t~nondet2|)) (< c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~MAX~6) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet2| 128)) (<= |c_ULTIMATE.start_main_#t~nondet2| 127) (= c_ULTIMATE.start_main_~i~6_primed (+ c_ULTIMATE.start_main_~i~6 1))) [2019-01-18 14:38:14,397 WARN L230 ngHoareTripleChecker]: Post: {2147483584#(forall ((v_idx_359 Int) (v_idx_360 Int) (v_idx_361 Int) (v_idx_362 Int) (v_idx_363 Int)) (exists ((v_v_1925_1 Int) (v_v_1365_1 Int) (v_v_1367_1 Int) (v_v_1366_1 Int) (v_v_1926_1 Int)) (and (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_1367_1)) 127) (<= (- v_v_1367_1 (- v_v_1925_1)) 254) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_1367_1)) 127) (<= 2 (* 2 c_ULTIMATE.start_main_~i~6)) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_1367_1)) 126) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_1925_1 128)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~i~6) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_1367_1) 128) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (or (<= c_ULTIMATE.start_main_~i~6 (+ v_idx_361 1)) (< v_idx_361 c_ULTIMATE.start_main_~cont~6) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_361) v_v_1367_1)) (or (< v_idx_363 c_ULTIMATE.start_main_~i~6) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_363) v_v_1926_1)) (<= v_v_1367_1 (+ c_ULTIMATE.start_main_~i~6 126)) (or (= (select c_ULTIMATE.start_main_~str1~6 v_idx_360) v_v_1366_1) (<= c_ULTIMATE.start_main_~cont~6 v_idx_360)) (<= (* 2 c_ULTIMATE.start_main_~i~6) 256) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 128) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_1925_1 128)) (or (< (+ v_idx_362 1) c_ULTIMATE.start_main_~i~6) (= (select c_ULTIMATE.start_main_~str1~6 v_idx_362) v_v_1925_1) (<= c_ULTIMATE.start_main_~i~6 v_idx_362)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 4294967295)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 128)) (<= c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~cont~6 (- v_v_1925_1)) 127) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (+ v_v_1367_1 c_ULTIMATE.start_main_~i~6) 255) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_1925_1) 4294967423) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 4294967423) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) (- 2)) (<= (- (- v_v_1367_1) v_v_1367_1) 256) (= (select c_ULTIMATE.start_main_~str2~6 v_idx_359) v_v_1365_1) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 256) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_1925_1)) 255) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 128) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 128) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_1925_1) 127) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_1367_1) 128) (<= (- (- v_v_1367_1) (- v_v_1925_1)) 255) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 1)) (<= c_ULTIMATE.start_main_~i~6 (+ v_v_1367_1 255)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~i~6 4294967294)) (<= (- c_ULTIMATE.start_main_~i~6 (- v_v_1367_1)) 255) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_1925_1)) 4294967422) (<= (- c_ULTIMATE.start_main_~cont~6 v_v_1925_1) 128) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_1925_1) 127) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 4294967295) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 2)) (<= (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967423) (<= v_v_1925_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= (- (- c_ULTIMATE.start_main_~i~6) (- v_v_1925_1)) 126) (<= c_ULTIMATE.start_main_~i~6 (+ v_v_1925_1 256)) (<= (- v_v_1367_1 (- v_v_1367_1)) 254) (<= (+ v_v_1925_1 c_ULTIMATE.start_main_~i~6) 255) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_1925_1) 127) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 4294967294) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 8589934590) (<= (- (- c_ULTIMATE.start_main_~cont~6) v_v_1925_1) 128) (<= v_v_1367_1 (+ c_ULTIMATE.start_main_~cont~6 127)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- v_v_1367_1)) 4294967422) (<= c_ULTIMATE.start_main_~cont~6 (+ v_v_1367_1 128)) (<= 0 (+ v_v_1367_1 c_ULTIMATE.start_main_~i~6 127)) (<= 0 (+ v_v_1925_1 c_ULTIMATE.start_main_~i~6 127)) (<= 2 (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6)) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 v_v_1367_1 128)) (<= (- v_v_1925_1 (- v_v_1925_1)) 254) (<= (- c_ULTIMATE.start_main_~i~6 v_v_1925_1) 256) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_1925_1)) 126) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6)) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 4294967295) (<= (- c_ULTIMATE.start_main_~MAX~6 v_v_1367_1) 4294967423) (<= (- v_v_1367_1 v_v_1925_1) 255) (<= (- c_ULTIMATE.start_main_~i~6 v_v_1367_1) 255) (<= (- (- v_v_1925_1) v_v_1925_1) 256) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- v_v_1367_1)) 126) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 1)) (<= (+ c_ULTIMATE.start_main_~cont~6 v_v_1367_1) 127) (<= (- (- c_ULTIMATE.start_main_~MAX~6) v_v_1367_1) 127) (<= (- (- c_ULTIMATE.start_main_~i~6) v_v_1367_1) 127) (<= (- (- v_v_1367_1) v_v_1925_1) 256) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- v_v_1925_1)) 127) (<= v_v_1925_1 (+ c_ULTIMATE.start_main_~i~6 126)))))} [2019-01-18 14:38:14,397 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 14:38:14,467 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 14:38:14,468 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 14:38:15,056 WARN L181 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 154 [2019-01-18 14:38:15,057 WARN L270 ngHoareTripleChecker]: Pre: {2147483585#(forall ((v_idx_357 Int) (v_idx_358 Int) (v_idx_355 Int) (v_idx_356 Int)) (exists ((v_v_1365_1 Int) (v_v_1367_1 Int) (v_v_1366_1 Int) (v_v_1368_1 Int)) (and (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 4294967295) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) 8589934592) (<= (- (- ULTIMATE.start_main_~cont~6) (- v_v_1367_1)) 127) (<= (- ULTIMATE.start_main_~cont~6 (- v_v_1367_1)) 127) (<= (* 2 ULTIMATE.start_main_~i~6) 254) (<= ULTIMATE.start_main_~cont~6 (+ ULTIMATE.start_main_~MAX~6 4294967296)) (<= 0 (+ v_v_1367_1 ULTIMATE.start_main_~i~6 128)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) 4294967296) (<= (- (- ULTIMATE.start_main_~cont~6) v_v_1367_1) 128) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 127) (<= (+ v_v_1367_1 ULTIMATE.start_main_~i~6) 254) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (<= 0 (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6 4294967296)) (<= ULTIMATE.start_main_~i~6 (+ v_v_1367_1 254)) (<= (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967422) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 4294967295)) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 0) (= (select ULTIMATE.start_main_~str2~6 v_idx_355) v_v_1365_1) (or (<= ULTIMATE.start_main_~cont~6 v_idx_356) (= (select ULTIMATE.start_main_~str1~6 v_idx_356) v_v_1366_1)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- v_v_1367_1)) 4294967423) (<= (- (- ULTIMATE.start_main_~i~6) (- v_v_1367_1)) 127) (<= (- (- v_v_1367_1) v_v_1367_1) 256) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- (- ULTIMATE.start_main_~i~6) v_v_1367_1) 128) (or (<= ULTIMATE.start_main_~i~6 v_idx_357) (= (select ULTIMATE.start_main_~str1~6 v_idx_357) v_v_1367_1) (< v_idx_357 ULTIMATE.start_main_~cont~6)) (<= (- ULTIMATE.start_main_~cont~6 v_v_1367_1) 128) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 127) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (or (= (select ULTIMATE.start_main_~str1~6 v_idx_358) v_v_1368_1) (< v_idx_358 ULTIMATE.start_main_~i~6)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 4294967295) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 127) (<= v_v_1367_1 (+ ULTIMATE.start_main_~i~6 127)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) 4294967296) (<= (- v_v_1367_1 (- v_v_1367_1)) 254) (<= (- ULTIMATE.start_main_~i~6 v_v_1367_1) 254) (<= ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 8589934590) (<= v_v_1367_1 (+ ULTIMATE.start_main_~cont~6 127)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4294967295)) (<= (- ULTIMATE.start_main_~MAX~6 (- v_v_1367_1)) 4294967422) (<= 0 (* 2 ULTIMATE.start_main_~i~6)) (<= ULTIMATE.start_main_~cont~6 (+ v_v_1367_1 128)) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~cont~6 127)) (<= 0 (+ ULTIMATE.start_main_~cont~6 v_v_1367_1 128)) (<= (- (- ULTIMATE.start_main_~MAX~6) v_v_1367_1) 4294967424) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) 0) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 4294967295) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) 4294967296) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 254) (<= (- ULTIMATE.start_main_~MAX~6 v_v_1367_1) 4294967423) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) 4294967296) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 4294967422) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- ULTIMATE.start_main_~i~6 (- v_v_1367_1)) 254) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6)) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) 0) (<= (+ ULTIMATE.start_main_~cont~6 v_v_1367_1) 127) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 4294967295))))} [2019-01-18 14:38:15,057 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; [2019-01-18 14:38:15,057 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= c_ULTIMATE.start_main_~str1~6_primed (store c_ULTIMATE.start_main_~str1~6 c_ULTIMATE.start_main_~i~6 |c_ULTIMATE.start_main_#t~nondet2|)) (< c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~MAX~6) (<= 0 (+ |c_ULTIMATE.start_main_#t~nondet2| 128)) (<= |c_ULTIMATE.start_main_#t~nondet2| 127) (= c_ULTIMATE.start_main_~i~6_primed (+ c_ULTIMATE.start_main_~i~6 1)))