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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-14 16:18:54,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-14 16:18:54,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-14 16:18:54,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-14 16:18:54,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-14 16:18:54,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-14 16:18:54,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-14 16:18:54,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-14 16:18:54,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-14 16:18:54,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-14 16:18:54,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-14 16:18:54,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-14 16:18:54,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-14 16:18:54,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-14 16:18:54,199 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-14 16:18:54,200 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-14 16:18:54,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-14 16:18:54,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-14 16:18:54,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-14 16:18:54,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-14 16:18:54,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-14 16:18:54,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-14 16:18:54,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-14 16:18:54,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-14 16:18:54,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-14 16:18:54,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-14 16:18:54,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-14 16:18:54,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-14 16:18:54,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-14 16:18:54,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-14 16:18:54,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-14 16:18:54,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-02-14 16:18:54,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-02-14 16:18:54,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-02-14 16:18:54,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-02-14 16:18:54,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-02-14 16:18:54,222 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-02-14 16:18:54,246 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-14 16:18:54,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-14 16:18:54,247 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-14 16:18:54,247 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-14 16:18:54,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-14 16:18:54,248 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-14 16:18:54,248 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-14 16:18:54,248 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-14 16:18:54,249 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-14 16:18:54,250 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-14 16:18:54,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-14 16:18:54,251 INFO L133 SettingsManager]: * Use SBE=true [2019-02-14 16:18:54,251 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-14 16:18:54,251 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-14 16:18:54,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-14 16:18:54,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-14 16:18:54,252 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-14 16:18:54,252 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-14 16:18:54,252 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-14 16:18:54,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-14 16:18:54,254 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-14 16:18:54,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-14 16:18:54,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-14 16:18:54,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-14 16:18:54,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-14 16:18:54,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-14 16:18:54,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-14 16:18:54,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-14 16:18:54,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-14 16:18:54,257 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-14 16:18:54,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-14 16:18:54,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-14 16:18:54,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-14 16:18:54,334 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-14 16:18:54,334 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-14 16:18:54,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2019-02-14 16:18:54,335 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2019-02-14 16:18:54,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-14 16:18:54,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-14 16:18:54,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-14 16:18:54,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-14 16:18:54,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-14 16:18:54,420 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,433 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-14 16:18:54,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-14 16:18:54,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-14 16:18:54,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-14 16:18:54,456 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,456 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,458 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,458 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,466 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,468 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,469 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 14.02 04:18:54" (1/1) ... [2019-02-14 16:18:54,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-14 16:18:54,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-14 16:18:54,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-14 16:18:54,476 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-14 16:18:54,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 04:18:54" (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 [2019-02-14 16:18:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-14 16:18:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-14 16:18:55,089 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-14 16:18:55,089 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-02-14 16:18:55,090 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 04:18:55 BoogieIcfgContainer [2019-02-14 16:18:55,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-14 16:18:55,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-02-14 16:18:55,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-02-14 16:18:55,095 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-02-14 16:18:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 04:18:54" (1/2) ... [2019-02-14 16:18:55,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b92bd1 and model type invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 04:18:55, skipping insertion in model container [2019-02-14 16:18:55,096 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 14.02 04:18:55" (2/2) ... [2019-02-14 16:18:55,098 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string.i_4.bpl [2019-02-14 16:18:55,108 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-02-14 16:18:55,116 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-02-14 16:18:55,133 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-02-14 16:18:55,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-02-14 16:18:55,168 INFO L383 AbstractCegarLoop]: Hoare is true [2019-02-14 16:18:55,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-02-14 16:18:55,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-02-14 16:18:55,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-02-14 16:18:55,168 INFO L387 AbstractCegarLoop]: Difference is false [2019-02-14 16:18:55,169 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-02-14 16:18:55,169 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-02-14 16:18:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-02-14 16:18:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-02-14 16:18:55,191 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:18:55,192 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-02-14 16:18:55,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:18:55,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:55,201 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-02-14 16:18:55,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:18:55,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:55,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:18:55,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:55,259 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:18:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:55,440 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 [2019-02-14 16:18:55,447 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 [2019-02-14 16:18:55,452 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 [2019-02-14 16:18:55,453 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2019-02-14 16:18:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:55,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-14 16:18:55,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-02-14 16:18:55,459 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-14 16:18:55,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-02-14 16:18:55,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:18:55,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-02-14 16:18:55,506 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:55,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-02-14 16:18:55,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-02-14 16:18:55,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-02-14 16:18:55,517 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-02-14 16:18:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:55,641 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-02-14 16:18:55,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-02-14 16:18:55,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-02-14 16:18:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:18:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-14 16:18:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-02-14 16:18:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-02-14 16:18:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-02-14 16:18:55,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2019-02-14 16:18:55,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:55,736 INFO L225 Difference]: With dead ends: 10 [2019-02-14 16:18:55,737 INFO L226 Difference]: Without dead ends: 6 [2019-02-14 16:18:55,740 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 [2019-02-14 16:18:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-02-14 16:18:55,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-02-14 16:18:55,830 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:18:55,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2019-02-14 16:18:55,832 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-02-14 16:18:55,832 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-02-14 16:18:55,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:55,834 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-02-14 16:18:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-02-14 16:18:55,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:55,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:55,835 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-02-14 16:18:55,835 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-02-14 16:18:55,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:55,837 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-02-14 16:18:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-02-14 16:18:55,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:55,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:55,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:18:55,838 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:18:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-02-14 16:18:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-02-14 16:18:55,842 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2019-02-14 16:18:55,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:18:55,842 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-02-14 16:18:55,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-02-14 16:18:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-02-14 16:18:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-02-14 16:18:55,844 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:18:55,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-02-14 16:18:55,844 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:18:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:55,845 INFO L82 PathProgramCache]: Analyzing trace with hash 28791948, now seen corresponding path program 1 times [2019-02-14 16:18:55,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:18:55,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:55,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:18:55,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:55,847 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:18:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:56,129 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 [2019-02-14 16:18:56,139 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 [2019-02-14 16:18:56,144 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 [2019-02-14 16:18:56,144 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 [2019-02-14 16:18:56,145 INFO L273 TraceCheckUtils]: 4: Hoare triple {53#false} assume !false; {53#false} is VALID [2019-02-14 16:18:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:56,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-02-14 16:18:56,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-02-14 16:18:56,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-02-14 16:18:56,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-02-14 16:18:56,148 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:18:56,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-02-14 16:18:56,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:56,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-02-14 16:18:56,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-02-14 16:18:56,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-02-14 16:18:56,193 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2019-02-14 16:18:56,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:56,394 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-02-14 16:18:56,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-02-14 16:18:56,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-02-14 16:18:56,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:18:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-02-14 16:18:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-02-14 16:18:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-02-14 16:18:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-02-14 16:18:56,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2019-02-14 16:18:56,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:56,501 INFO L225 Difference]: With dead ends: 11 [2019-02-14 16:18:56,501 INFO L226 Difference]: Without dead ends: 7 [2019-02-14 16:18:56,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-02-14 16:18:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-02-14 16:18:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-02-14 16:18:56,527 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:18:56,527 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2019-02-14 16:18:56,528 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-02-14 16:18:56,528 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-02-14 16:18:56,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:56,530 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-02-14 16:18:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-02-14 16:18:56,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:56,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:56,531 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-02-14 16:18:56,531 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-02-14 16:18:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:56,532 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-02-14 16:18:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-02-14 16:18:56,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:56,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:56,533 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:18:56,533 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:18:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-02-14 16:18:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-02-14 16:18:56,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-02-14 16:18:56,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:18:56,535 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-02-14 16:18:56,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-02-14 16:18:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-02-14 16:18:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-02-14 16:18:56,536 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:18:56,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-02-14 16:18:56,536 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:18:56,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:56,537 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-02-14 16:18:56,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:18:56,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:56,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:18:56,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:56,538 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:18:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:56,976 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 [2019-02-14 16:18:56,980 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 [2019-02-14 16:18:56,989 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 [2019-02-14 16:18:57,002 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 [2019-02-14 16:18:57,007 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 [2019-02-14 16:18:57,007 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-02-14 16:18:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:57,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:57,009 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:18:57,009 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2019-02-14 16:18:57,011 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2019-02-14 16:18:57,048 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-02-14 16:18:57,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-14 16:18:57,340 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-14 16:18:57,342 INFO L272 AbstractInterpreter]: Visited 6 different actions 16 times. Merged at 2 different actions 5 times. Never widened. Performed 274 root evaluator evaluations with a maximum evaluation depth of 4. Performed 274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 7 fixpoints after 4 different actions. Largest state had 0 variables. [2019-02-14 16:18:57,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:57,350 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-02-14 16:18:57,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:57,350 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:18:57,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:18:57,360 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:18:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:57,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:18:57,820 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-02-14 16:18:57,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:18:57,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:18:57,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:18:57,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:18:58,003 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:18:58,004 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_7]. (and (= (store v_ULTIMATE.start_main_~str2~6_7 0 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 1)) [2019-02-14 16:18:58,004 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 1)) [2019-02-14 16:18:58,159 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; {112#(= ULTIMATE.start_main_~i~6 0)} is VALID [2019-02-14 16:18:58,168 INFO L273 TraceCheckUtils]: 1: Hoare triple {112#(= ULTIMATE.start_main_~i~6 0)} 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; {116#(and (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:18:58,170 INFO L273 TraceCheckUtils]: 2: Hoare triple {116#(and (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 1))} 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; {120#(and (< 0 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 1))} is VALID [2019-02-14 16:18:58,171 INFO L273 TraceCheckUtils]: 3: Hoare triple {120#(and (< 0 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 1))} 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; {124#(and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 1))} is VALID [2019-02-14 16:18:58,180 INFO L273 TraceCheckUtils]: 4: Hoare triple {124#(and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= 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 [2019-02-14 16:18:58,180 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-02-14 16:18:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:58,181 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:18:58,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:18:58,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:18:58,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:18:58,279 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:18:58,282 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:18:58,282 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:18:58,282 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:18:58,377 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-02-14 16:18:58,378 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 [2019-02-14 16:18:58,379 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 [2019-02-14 16:18:58,380 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 [2019-02-14 16:18:58,381 INFO L273 TraceCheckUtils]: 1: Hoare triple {112#(= ULTIMATE.start_main_~i~6 0)} 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 [2019-02-14 16:18:58,387 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; {112#(= ULTIMATE.start_main_~i~6 0)} is VALID [2019-02-14 16:18:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:58,407 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:18:58,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2019-02-14 16:18:58,407 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:18:58,408 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-02-14 16:18:58,408 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:18:58,408 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2019-02-14 16:18:58,440 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:58,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-02-14 16:18:58,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-02-14 16:18:58,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-02-14 16:18:58,441 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 10 states. [2019-02-14 16:18:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,007 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-02-14 16:18:59,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-02-14 16:18:59,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-02-14 16:18:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:18:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-02-14 16:18:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-02-14 16:18:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-02-14 16:18:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-02-14 16:18:59,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 14 transitions. [2019-02-14 16:18:59,037 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:59,038 INFO L225 Difference]: With dead ends: 12 [2019-02-14 16:18:59,038 INFO L226 Difference]: Without dead ends: 8 [2019-02-14 16:18:59,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-02-14 16:18:59,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-02-14 16:18:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-02-14 16:18:59,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:18:59,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states. Second operand 8 states. [2019-02-14 16:18:59,068 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-02-14 16:18:59,069 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-02-14 16:18:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,070 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-02-14 16:18:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-02-14 16:18:59,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:59,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:59,070 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-02-14 16:18:59,071 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-02-14 16:18:59,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,071 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-02-14 16:18:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-02-14 16:18:59,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:59,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:59,072 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:18:59,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:18:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-02-14 16:18:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-02-14 16:18:59,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-02-14 16:18:59,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:18:59,074 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-02-14 16:18:59,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-02-14 16:18:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-02-14 16:18:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-02-14 16:18:59,075 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:18:59,075 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-02-14 16:18:59,076 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:18:59,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:59,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1949841836, now seen corresponding path program 2 times [2019-02-14 16:18:59,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:18:59,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:59,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:18:59,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:59,078 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:18:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:59,204 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,206 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,207 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:18:59,208 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,209 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,214 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} 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; {205#false} is VALID [2019-02-14 16:18:59,214 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-02-14 16:18:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:59,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:59,215 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:18:59,215 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:18:59,215 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:18:59,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:59,216 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:18:59,224 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:18:59,224 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:18:59,245 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-02-14 16:18:59,245 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:18:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:59,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:18:59,407 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,412 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,414 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:18:59,414 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,415 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,416 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} 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; {205#false} is VALID [2019-02-14 16:18:59,416 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-02-14 16:18:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:59,417 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:18:59,471 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-02-14 16:18:59,472 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} 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; {205#false} is VALID [2019-02-14 16:18:59,474 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,475 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,478 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~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; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:18:59,479 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~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; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,480 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#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; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:18:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:59,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:18:59,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2019-02-14 16:18:59,500 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:18:59,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-02-14 16:18:59,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:18:59,501 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2019-02-14 16:18:59,519 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:59,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-02-14 16:18:59,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-02-14 16:18:59,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-02-14 16:18:59,520 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2019-02-14 16:18:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,650 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-02-14 16:18:59,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-02-14 16:18:59,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-02-14 16:18:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:18:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-02-14 16:18:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-02-14 16:18:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-02-14 16:18:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-02-14 16:18:59,653 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 12 transitions. [2019-02-14 16:18:59,676 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:18:59,677 INFO L225 Difference]: With dead ends: 11 [2019-02-14 16:18:59,678 INFO L226 Difference]: Without dead ends: 9 [2019-02-14 16:18:59,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-02-14 16:18:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-02-14 16:18:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-02-14 16:18:59,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:18:59,707 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states. Second operand 9 states. [2019-02-14 16:18:59,707 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-02-14 16:18:59,707 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-02-14 16:18:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,709 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-02-14 16:18:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-02-14 16:18:59,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:59,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:59,709 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-02-14 16:18:59,710 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-02-14 16:18:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:18:59,711 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-02-14 16:18:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-02-14 16:18:59,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:18:59,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:18:59,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:18:59,712 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:18:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-02-14 16:18:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-02-14 16:18:59,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2019-02-14 16:18:59,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:18:59,713 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-02-14 16:18:59,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-02-14 16:18:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-02-14 16:18:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-02-14 16:18:59,714 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:18:59,714 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-02-14 16:18:59,714 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:18:59,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:18:59,714 INFO L82 PathProgramCache]: Analyzing trace with hash 315556586, now seen corresponding path program 3 times [2019-02-14 16:18:59,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:18:59,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:59,716 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:18:59,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:18:59,716 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:18:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:18:59,926 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#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; {306#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:18:59,929 INFO L273 TraceCheckUtils]: 1: Hoare triple {306#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {307#(or (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)) (and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:18:59,931 INFO L273 TraceCheckUtils]: 2: Hoare triple {307#(or (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)) (and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {308#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 2 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:18:59,935 INFO L273 TraceCheckUtils]: 3: Hoare triple {308#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 2 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; {309#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:18:59,943 INFO L273 TraceCheckUtils]: 4: Hoare triple {309#(= (+ ULTIMATE.start_main_~j~6 2) 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; {310#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:18:59,945 INFO L273 TraceCheckUtils]: 5: Hoare triple {310#(= (+ 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; {311#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:18:59,946 INFO L273 TraceCheckUtils]: 6: Hoare triple {311#(= (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; {305#false} is VALID [2019-02-14 16:18:59,946 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-02-14 16:18:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:18:59,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:59,947 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:18:59,947 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:18:59,948 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:18:59,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:18:59,948 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:18:59,957 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:18:59,957 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:18:59,982 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:18:59,982 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:00,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:00,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:00,154 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:00,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:00,160 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:00,163 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:00,163 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_10]. (and (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)) (= (store v_ULTIMATE.start_main_~str2~6_10 1 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:19:00,163 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3))) [2019-02-14 16:19:00,203 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#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; {304#true} is VALID [2019-02-14 16:19:00,203 INFO L273 TraceCheckUtils]: 1: Hoare triple {304#true} 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; {304#true} is VALID [2019-02-14 16:19:00,204 INFO L273 TraceCheckUtils]: 2: Hoare triple {304#true} 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; {304#true} is VALID [2019-02-14 16:19:00,204 INFO L273 TraceCheckUtils]: 3: Hoare triple {304#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; {324#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:00,205 INFO L273 TraceCheckUtils]: 4: Hoare triple {324#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {328#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:00,206 INFO L273 TraceCheckUtils]: 5: Hoare triple {328#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)))} is VALID [2019-02-14 16:19:00,215 INFO L273 TraceCheckUtils]: 6: Hoare triple {332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)))} 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; {305#false} is VALID [2019-02-14 16:19:00,215 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-02-14 16:19:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-02-14 16:19:00,216 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:00,407 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-02-14 16:19:00,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:00,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:00,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:00,424 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:00,556 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-02-14 16:19:00,557 INFO L273 TraceCheckUtils]: 6: Hoare triple {342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {305#false} is VALID [2019-02-14 16:19:00,558 INFO L273 TraceCheckUtils]: 5: Hoare triple {346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:00,559 INFO L273 TraceCheckUtils]: 4: Hoare triple {350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:00,560 INFO L273 TraceCheckUtils]: 3: Hoare triple {304#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; {350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:00,561 INFO L273 TraceCheckUtils]: 2: Hoare triple {304#true} 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; {304#true} is VALID [2019-02-14 16:19:00,561 INFO L273 TraceCheckUtils]: 1: Hoare triple {304#true} 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; {304#true} is VALID [2019-02-14 16:19:00,561 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#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; {304#true} is VALID [2019-02-14 16:19:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-02-14 16:19:00,582 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:00,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2019-02-14 16:19:00,582 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:00,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-02-14 16:19:00,583 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:00,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-02-14 16:19:00,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:00,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-02-14 16:19:00,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-02-14 16:19:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-02-14 16:19:00,601 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 11 states. [2019-02-14 16:19:01,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:01,381 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-02-14 16:19:01,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-02-14 16:19:01,382 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-02-14 16:19:01,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-14 16:19:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-02-14 16:19:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-14 16:19:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-02-14 16:19:01,385 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 21 transitions. [2019-02-14 16:19:01,416 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:01,417 INFO L225 Difference]: With dead ends: 17 [2019-02-14 16:19:01,417 INFO L226 Difference]: Without dead ends: 11 [2019-02-14 16:19:01,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2019-02-14 16:19:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-02-14 16:19:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-02-14 16:19:01,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:01,460 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2019-02-14 16:19:01,460 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-02-14 16:19:01,461 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-02-14 16:19:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:01,462 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-02-14 16:19:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-02-14 16:19:01,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:01,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:01,462 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-02-14 16:19:01,462 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-02-14 16:19:01,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:01,463 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-02-14 16:19:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-02-14 16:19:01,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:01,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:01,464 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:01,464 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-14 16:19:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-02-14 16:19:01,465 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-02-14 16:19:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:01,466 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-02-14 16:19:01,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-02-14 16:19:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-02-14 16:19:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-02-14 16:19:01,466 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:01,466 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1] [2019-02-14 16:19:01,467 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:01,467 INFO L82 PathProgramCache]: Analyzing trace with hash -175395819, now seen corresponding path program 4 times [2019-02-14 16:19:01,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:01,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:01,468 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:01,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:01,468 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:01,870 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#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; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:01,872 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:01,873 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {453#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:19:01,874 INFO L273 TraceCheckUtils]: 3: Hoare triple {453#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:01,875 INFO L273 TraceCheckUtils]: 4: Hoare triple {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 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; {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:01,877 INFO L273 TraceCheckUtils]: 5: Hoare triple {455#(= (+ ULTIMATE.start_main_~j~6 3) 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; {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:01,878 INFO L273 TraceCheckUtils]: 6: Hoare triple {456#(= (+ ULTIMATE.start_main_~j~6 2) 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; {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:01,879 INFO L273 TraceCheckUtils]: 7: Hoare triple {457#(= (+ 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; {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:01,881 INFO L273 TraceCheckUtils]: 8: Hoare triple {458#(= (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; {450#false} is VALID [2019-02-14 16:19:01,882 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-02-14 16:19:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:01,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:01,883 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:01,883 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:01,884 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:01,884 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:01,884 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:01,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:01,896 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:01,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:02,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:02,211 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:02,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:02,217 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:02,220 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:02,220 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_13]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_13 2 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:02,220 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:02,249 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#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; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,251 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,254 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,254 INFO L273 TraceCheckUtils]: 3: Hoare triple {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {472#(and (<= 3 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:02,255 INFO L273 TraceCheckUtils]: 4: Hoare triple {472#(and (<= 3 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {476#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:02,256 INFO L273 TraceCheckUtils]: 5: Hoare triple {476#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 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; {480#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:02,257 INFO L273 TraceCheckUtils]: 6: Hoare triple {480#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 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; {484#(and (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:02,258 INFO L273 TraceCheckUtils]: 7: Hoare triple {484#(and (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {488#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:02,260 INFO L273 TraceCheckUtils]: 8: Hoare triple {488#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} 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; {450#false} is VALID [2019-02-14 16:19:02,260 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-02-14 16:19:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:02,261 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:02,304 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:02,306 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:02,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:02,311 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:02,313 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:02,313 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:02,313 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:02,366 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-02-14 16:19:02,367 INFO L273 TraceCheckUtils]: 8: Hoare triple {458#(= (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; {450#false} is VALID [2019-02-14 16:19:02,369 INFO L273 TraceCheckUtils]: 7: Hoare triple {457#(= (+ 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; {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:02,370 INFO L273 TraceCheckUtils]: 6: Hoare triple {456#(= (+ ULTIMATE.start_main_~j~6 2) 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; {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:02,371 INFO L273 TraceCheckUtils]: 5: Hoare triple {455#(= (+ ULTIMATE.start_main_~j~6 3) 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; {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:02,372 INFO L273 TraceCheckUtils]: 4: Hoare triple {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 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; {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:02,373 INFO L273 TraceCheckUtils]: 3: Hoare triple {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:02,375 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,376 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,377 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#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; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:02,403 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:02,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2019-02-14 16:19:02,403 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:02,403 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-02-14 16:19:02,403 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:02,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2019-02-14 16:19:02,425 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:02,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-02-14 16:19:02,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-02-14 16:19:02,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-02-14 16:19:02,426 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 16 states. [2019-02-14 16:19:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:03,460 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-02-14 16:19:03,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-02-14 16:19:03,461 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-02-14 16:19:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-02-14 16:19:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-02-14 16:19:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-02-14 16:19:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-02-14 16:19:03,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 18 transitions. [2019-02-14 16:19:03,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:03,496 INFO L225 Difference]: With dead ends: 18 [2019-02-14 16:19:03,496 INFO L226 Difference]: Without dead ends: 12 [2019-02-14 16:19:03,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2019-02-14 16:19:03,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-02-14 16:19:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-02-14 16:19:03,585 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:03,585 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2019-02-14 16:19:03,585 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-02-14 16:19:03,585 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-02-14 16:19:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:03,588 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-02-14 16:19:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-02-14 16:19:03,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:03,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:03,589 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-02-14 16:19:03,590 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-02-14 16:19:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:03,591 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-02-14 16:19:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-02-14 16:19:03,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:03,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:03,592 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:03,592 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-02-14 16:19:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-02-14 16:19:03,593 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-02-14 16:19:03,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:03,594 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-02-14 16:19:03,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-02-14 16:19:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-02-14 16:19:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-02-14 16:19:03,597 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:03,598 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2019-02-14 16:19:03,598 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash 375043724, now seen corresponding path program 5 times [2019-02-14 16:19:03,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:03,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:03,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:03,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:03,599 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:03,759 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,760 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,761 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,762 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,762 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:03,768 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,769 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,770 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,770 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,772 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} 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; {613#false} is VALID [2019-02-14 16:19:03,772 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-02-14 16:19:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:03,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:03,773 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:03,773 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:03,773 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:03,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:03,774 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:03,783 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:19:03,783 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:19:03,818 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-02-14 16:19:03,818 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:03,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:03,899 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,900 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,901 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,902 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,904 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:03,905 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,906 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,907 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,908 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:03,924 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} 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; {613#false} is VALID [2019-02-14 16:19:03,924 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-02-14 16:19:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:03,925 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:04,062 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-02-14 16:19:04,063 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} 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; {613#false} is VALID [2019-02-14 16:19:04,065 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,066 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,069 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,070 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,071 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~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; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:04,071 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~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; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,072 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~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; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,072 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~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; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,073 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#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; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:04,095 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:04,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2019-02-14 16:19:04,095 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:04,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-02-14 16:19:04,096 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:04,096 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2019-02-14 16:19:04,110 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:04,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-02-14 16:19:04,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-02-14 16:19:04,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-02-14 16:19:04,111 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 7 states. [2019-02-14 16:19:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:04,297 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-02-14 16:19:04,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-02-14 16:19:04,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-02-14 16:19:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-02-14 16:19:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-02-14 16:19:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-02-14 16:19:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-02-14 16:19:04,300 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 16 transitions. [2019-02-14 16:19:04,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:04,317 INFO L225 Difference]: With dead ends: 15 [2019-02-14 16:19:04,317 INFO L226 Difference]: Without dead ends: 13 [2019-02-14 16:19:04,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-02-14 16:19:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-02-14 16:19:04,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-02-14 16:19:04,419 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:04,419 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2019-02-14 16:19:04,419 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-02-14 16:19:04,419 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-02-14 16:19:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:04,421 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-02-14 16:19:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-02-14 16:19:04,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:04,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:04,422 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-02-14 16:19:04,422 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-02-14 16:19:04,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:04,423 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-02-14 16:19:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-02-14 16:19:04,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:04,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:04,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:04,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-02-14 16:19:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-02-14 16:19:04,425 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2019-02-14 16:19:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:04,425 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-02-14 16:19:04,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-02-14 16:19:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-02-14 16:19:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-02-14 16:19:04,426 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:04,426 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1] [2019-02-14 16:19:04,426 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:04,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1258544630, now seen corresponding path program 6 times [2019-02-14 16:19:04,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:04,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:04,428 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:04,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:04,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:04,683 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#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; {768#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:04,685 INFO L273 TraceCheckUtils]: 1: Hoare triple {768#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {769#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:04,686 INFO L273 TraceCheckUtils]: 2: Hoare triple {769#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {770#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:04,693 INFO L273 TraceCheckUtils]: 3: Hoare triple {770#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {771#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3)))} is VALID [2019-02-14 16:19:04,694 INFO L273 TraceCheckUtils]: 4: Hoare triple {771#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3)))} 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; {772#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 4 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:04,694 INFO L273 TraceCheckUtils]: 5: Hoare triple {772#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 4 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; {773#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:04,695 INFO L273 TraceCheckUtils]: 6: Hoare triple {773#(= (+ ULTIMATE.start_main_~j~6 4) 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; {774#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:04,696 INFO L273 TraceCheckUtils]: 7: Hoare triple {774#(= (+ ULTIMATE.start_main_~j~6 3) 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; {775#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:04,697 INFO L273 TraceCheckUtils]: 8: Hoare triple {775#(= (+ ULTIMATE.start_main_~j~6 2) 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; {776#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:04,699 INFO L273 TraceCheckUtils]: 9: Hoare triple {776#(= (+ 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; {777#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:04,700 INFO L273 TraceCheckUtils]: 10: Hoare triple {777#(= (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; {767#false} is VALID [2019-02-14 16:19:04,701 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-02-14 16:19:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:04,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:04,703 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:04,703 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:04,703 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:04,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:04,704 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:04,713 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:19:04,713 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:19:04,725 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:19:04,726 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:04,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:04,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:04,886 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:04,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:04,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:04,898 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:04,899 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_20]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_20 3 (select ULTIMATE.start_main_~str1~6 0))) (<= 4 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:04,899 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:04,936 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#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; {766#true} is VALID [2019-02-14 16:19:04,936 INFO L273 TraceCheckUtils]: 1: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:04,936 INFO L273 TraceCheckUtils]: 2: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:04,937 INFO L273 TraceCheckUtils]: 3: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:04,937 INFO L273 TraceCheckUtils]: 4: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:04,938 INFO L273 TraceCheckUtils]: 5: Hoare triple {766#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; {796#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:04,939 INFO L273 TraceCheckUtils]: 6: Hoare triple {796#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {800#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:04,940 INFO L273 TraceCheckUtils]: 7: Hoare triple {800#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {804#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:04,941 INFO L273 TraceCheckUtils]: 8: Hoare triple {804#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {808#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:04,942 INFO L273 TraceCheckUtils]: 9: Hoare triple {808#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {812#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:04,944 INFO L273 TraceCheckUtils]: 10: Hoare triple {812#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6))} 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; {767#false} is VALID [2019-02-14 16:19:04,944 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-02-14 16:19:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-02-14 16:19:04,945 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:05,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:05,062 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:05,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:05,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:05,078 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:05,078 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:19:05,078 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:05,246 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-02-14 16:19:05,247 INFO L273 TraceCheckUtils]: 10: Hoare triple {822#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {767#false} is VALID [2019-02-14 16:19:05,248 INFO L273 TraceCheckUtils]: 9: Hoare triple {826#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {822#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:05,250 INFO L273 TraceCheckUtils]: 8: Hoare triple {830#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {826#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:05,251 INFO L273 TraceCheckUtils]: 7: Hoare triple {834#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {830#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:05,252 INFO L273 TraceCheckUtils]: 6: Hoare triple {838#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {834#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:05,253 INFO L273 TraceCheckUtils]: 5: Hoare triple {766#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; {838#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:05,254 INFO L273 TraceCheckUtils]: 4: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:05,254 INFO L273 TraceCheckUtils]: 3: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:05,254 INFO L273 TraceCheckUtils]: 2: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:05,255 INFO L273 TraceCheckUtils]: 1: Hoare triple {766#true} 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; {766#true} is VALID [2019-02-14 16:19:05,255 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#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; {766#true} is VALID [2019-02-14 16:19:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-02-14 16:19:05,274 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:05,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 22 [2019-02-14 16:19:05,274 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:05,275 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-02-14 16:19:05,275 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:05,275 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-02-14 16:19:05,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:05,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-02-14 16:19:05,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-02-14 16:19:05,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2019-02-14 16:19:05,298 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 17 states. [2019-02-14 16:19:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:06,554 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-02-14 16:19:06,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-02-14 16:19:06,555 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-02-14 16:19:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-02-14 16:19:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-02-14 16:19:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-02-14 16:19:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-02-14 16:19:06,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 27 transitions. [2019-02-14 16:19:06,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:06,606 INFO L225 Difference]: With dead ends: 23 [2019-02-14 16:19:06,607 INFO L226 Difference]: Without dead ends: 15 [2019-02-14 16:19:06,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2019-02-14 16:19:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-02-14 16:19:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-02-14 16:19:06,759 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:06,760 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2019-02-14 16:19:06,760 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-02-14 16:19:06,760 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-02-14 16:19:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:06,762 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-02-14 16:19:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-02-14 16:19:06,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:06,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:06,763 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-02-14 16:19:06,763 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-02-14 16:19:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:06,764 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-02-14 16:19:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-02-14 16:19:06,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:06,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:06,765 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:06,765 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-02-14 16:19:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-02-14 16:19:06,766 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2019-02-14 16:19:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:06,766 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-02-14 16:19:06,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-02-14 16:19:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-02-14 16:19:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-02-14 16:19:06,767 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:06,767 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1] [2019-02-14 16:19:06,767 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:06,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:06,767 INFO L82 PathProgramCache]: Analyzing trace with hash -400886667, now seen corresponding path program 7 times [2019-02-14 16:19:06,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:06,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:06,768 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:06,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:06,768 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:07,038 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#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; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,039 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,040 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,041 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:07,042 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {981#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:19:07,044 INFO L273 TraceCheckUtils]: 5: Hoare triple {981#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:07,047 INFO L273 TraceCheckUtils]: 6: Hoare triple {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 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; {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,048 INFO L273 TraceCheckUtils]: 7: Hoare triple {983#(= (+ ULTIMATE.start_main_~j~6 5) 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; {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,049 INFO L273 TraceCheckUtils]: 8: Hoare triple {984#(= (+ ULTIMATE.start_main_~j~6 4) 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; {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,050 INFO L273 TraceCheckUtils]: 9: Hoare triple {985#(= (+ ULTIMATE.start_main_~j~6 3) 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; {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,050 INFO L273 TraceCheckUtils]: 10: Hoare triple {986#(= (+ ULTIMATE.start_main_~j~6 2) 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; {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,051 INFO L273 TraceCheckUtils]: 11: Hoare triple {987#(= (+ 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; {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:07,052 INFO L273 TraceCheckUtils]: 12: Hoare triple {988#(= (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; {976#false} is VALID [2019-02-14 16:19:07,053 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-02-14 16:19:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:07,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:07,054 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:07,054 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:07,055 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:07,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:07,055 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:07,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:07,072 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:07,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:07,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:07,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:07,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:07,316 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:07,319 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:07,319 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_25]. (and (= (store v_ULTIMATE.start_main_~str2~6_25 4 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5)) [2019-02-14 16:19:07,319 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4))) [2019-02-14 16:19:07,353 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#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; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,355 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,356 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,357 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:07,358 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,359 INFO L273 TraceCheckUtils]: 5: Hoare triple {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {1008#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:07,360 INFO L273 TraceCheckUtils]: 6: Hoare triple {1008#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {1012#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2019-02-14 16:19:07,363 INFO L273 TraceCheckUtils]: 7: Hoare triple {1012#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 5))} 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; {1016#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2019-02-14 16:19:07,364 INFO L273 TraceCheckUtils]: 8: Hoare triple {1016#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 5))} 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; {1020#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:07,364 INFO L273 TraceCheckUtils]: 9: Hoare triple {1020#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= ULTIMATE.start_main_~j~6 2))} 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; {1024#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2019-02-14 16:19:07,365 INFO L273 TraceCheckUtils]: 10: Hoare triple {1024#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 5))} 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; {1028#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2019-02-14 16:19:07,366 INFO L273 TraceCheckUtils]: 11: Hoare triple {1028#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 5))} 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; {1032#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4)))} is VALID [2019-02-14 16:19:07,367 INFO L273 TraceCheckUtils]: 12: Hoare triple {1032#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4)))} 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; {976#false} is VALID [2019-02-14 16:19:07,367 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-02-14 16:19:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:07,368 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:07,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:07,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:07,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:07,424 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:07,426 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:07,427 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:07,427 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:07,584 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-02-14 16:19:07,585 INFO L273 TraceCheckUtils]: 12: Hoare triple {988#(= (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; {976#false} is VALID [2019-02-14 16:19:07,586 INFO L273 TraceCheckUtils]: 11: Hoare triple {987#(= (+ 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; {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:07,586 INFO L273 TraceCheckUtils]: 10: Hoare triple {986#(= (+ ULTIMATE.start_main_~j~6 2) 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; {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,587 INFO L273 TraceCheckUtils]: 9: Hoare triple {985#(= (+ ULTIMATE.start_main_~j~6 3) 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; {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,593 INFO L273 TraceCheckUtils]: 8: Hoare triple {984#(= (+ ULTIMATE.start_main_~j~6 4) 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; {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,598 INFO L273 TraceCheckUtils]: 7: Hoare triple {983#(= (+ ULTIMATE.start_main_~j~6 5) 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; {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,600 INFO L273 TraceCheckUtils]: 6: Hoare triple {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 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; {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:07,600 INFO L273 TraceCheckUtils]: 5: Hoare triple {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:07,602 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,603 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:07,605 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,606 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,606 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#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; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:07,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:07,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 21 [2019-02-14 16:19:07,627 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:07,628 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-02-14 16:19:07,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:07,628 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2019-02-14 16:19:07,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:07,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-02-14 16:19:07,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-02-14 16:19:07,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-02-14 16:19:07,656 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 22 states. [2019-02-14 16:19:09,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:09,141 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-02-14 16:19:09,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-02-14 16:19:09,142 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-02-14 16:19:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-02-14 16:19:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-02-14 16:19:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-02-14 16:19:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-02-14 16:19:09,144 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 22 transitions. [2019-02-14 16:19:09,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:09,195 INFO L225 Difference]: With dead ends: 24 [2019-02-14 16:19:09,196 INFO L226 Difference]: Without dead ends: 16 [2019-02-14 16:19:09,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=740, Unknown=0, NotChecked=0, Total=870 [2019-02-14 16:19:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-02-14 16:19:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-02-14 16:19:09,345 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:09,345 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2019-02-14 16:19:09,345 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-02-14 16:19:09,345 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-02-14 16:19:09,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:09,347 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-02-14 16:19:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-02-14 16:19:09,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:09,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:09,348 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-02-14 16:19:09,348 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-02-14 16:19:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:09,349 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-02-14 16:19:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-02-14 16:19:09,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:09,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:09,350 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:09,350 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-02-14 16:19:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-02-14 16:19:09,352 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2019-02-14 16:19:09,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:09,352 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-02-14 16:19:09,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-02-14 16:19:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-02-14 16:19:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-02-14 16:19:09,353 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:09,353 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1] [2019-02-14 16:19:09,353 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:09,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1662915732, now seen corresponding path program 8 times [2019-02-14 16:19:09,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:09,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:09,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:09,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:09,355 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:09,541 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,543 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,544 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,545 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,546 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,551 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,552 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:09,553 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,554 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,555 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,567 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,569 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,570 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,571 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1201#false} is VALID [2019-02-14 16:19:09,571 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-02-14 16:19:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:09,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:09,572 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:09,572 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:09,573 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:09,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:09,573 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:09,585 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:19:09,585 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:19:09,647 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-02-14 16:19:09,647 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:09,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:09,949 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,949 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,950 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,951 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,953 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,954 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,955 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:09,956 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,957 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,958 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,959 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,960 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,961 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:09,962 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1201#false} is VALID [2019-02-14 16:19:09,962 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-02-14 16:19:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:09,963 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:10,138 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-02-14 16:19:10,139 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1201#false} is VALID [2019-02-14 16:19:10,140 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,141 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,142 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,143 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,145 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,147 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,148 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~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; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:10,149 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~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; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,150 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~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; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,151 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~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; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,154 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~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; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,156 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~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; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,157 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#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; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:10,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:10,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2019-02-14 16:19:10,179 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:10,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-02-14 16:19:10,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:10,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2019-02-14 16:19:10,205 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:10,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-02-14 16:19:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-02-14 16:19:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-02-14 16:19:10,207 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2019-02-14 16:19:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:10,519 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-02-14 16:19:10,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-02-14 16:19:10,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-02-14 16:19:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-02-14 16:19:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-02-14 16:19:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-02-14 16:19:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-02-14 16:19:10,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 20 transitions. [2019-02-14 16:19:10,542 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:10,543 INFO L225 Difference]: With dead ends: 19 [2019-02-14 16:19:10,543 INFO L226 Difference]: Without dead ends: 17 [2019-02-14 16:19:10,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 12 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2019-02-14 16:19:10,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-02-14 16:19:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-02-14 16:19:10,692 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:10,692 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2019-02-14 16:19:10,693 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-02-14 16:19:10,693 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-02-14 16:19:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:10,694 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-02-14 16:19:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-02-14 16:19:10,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:10,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:10,695 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-02-14 16:19:10,695 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-02-14 16:19:10,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:10,697 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-02-14 16:19:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-02-14 16:19:10,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:10,698 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:10,698 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:10,698 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-02-14 16:19:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-02-14 16:19:10,699 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2019-02-14 16:19:10,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:10,699 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-02-14 16:19:10,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-02-14 16:19:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-02-14 16:19:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-02-14 16:19:10,701 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:10,701 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1] [2019-02-14 16:19:10,701 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash -10778326, now seen corresponding path program 9 times [2019-02-14 16:19:10,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:10,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:10,703 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:10,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:10,703 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:11,096 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#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; {1410#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,097 INFO L273 TraceCheckUtils]: 1: Hoare triple {1410#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {1411#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,098 INFO L273 TraceCheckUtils]: 2: Hoare triple {1411#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {1412#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,099 INFO L273 TraceCheckUtils]: 3: Hoare triple {1412#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {1413#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:11,100 INFO L273 TraceCheckUtils]: 4: Hoare triple {1413#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1414#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,101 INFO L273 TraceCheckUtils]: 5: Hoare triple {1414#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {1415#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:19:11,102 INFO L273 TraceCheckUtils]: 6: Hoare triple {1415#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5)))} 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; {1416#(or (= 6 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:11,104 INFO L273 TraceCheckUtils]: 7: Hoare triple {1416#(or (= 6 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {1417#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,105 INFO L273 TraceCheckUtils]: 8: Hoare triple {1417#(= (+ ULTIMATE.start_main_~j~6 6) 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; {1418#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,106 INFO L273 TraceCheckUtils]: 9: Hoare triple {1418#(= (+ ULTIMATE.start_main_~j~6 5) 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; {1419#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,107 INFO L273 TraceCheckUtils]: 10: Hoare triple {1419#(= (+ ULTIMATE.start_main_~j~6 4) 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; {1420#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,108 INFO L273 TraceCheckUtils]: 11: Hoare triple {1420#(= (+ ULTIMATE.start_main_~j~6 3) 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; {1421#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,109 INFO L273 TraceCheckUtils]: 12: Hoare triple {1421#(= (+ ULTIMATE.start_main_~j~6 2) 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; {1422#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:11,110 INFO L273 TraceCheckUtils]: 13: Hoare triple {1422#(= (+ 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; {1423#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:11,112 INFO L273 TraceCheckUtils]: 14: Hoare triple {1423#(= (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; {1409#false} is VALID [2019-02-14 16:19:11,112 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-02-14 16:19:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:11,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:11,114 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:11,114 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:11,114 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:11,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:11,115 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:11,125 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:19:11,125 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:19:11,137 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:19:11,138 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:11,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:11,358 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:11,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:11,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:11,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:11,371 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:11,372 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_36]. (and (<= 6 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_36 5 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7))) [2019-02-14 16:19:11,372 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 6 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7))) [2019-02-14 16:19:11,424 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#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; {1408#true} is VALID [2019-02-14 16:19:11,424 INFO L273 TraceCheckUtils]: 1: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,424 INFO L273 TraceCheckUtils]: 3: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,425 INFO L273 TraceCheckUtils]: 4: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,425 INFO L273 TraceCheckUtils]: 5: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,425 INFO L273 TraceCheckUtils]: 6: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,430 INFO L273 TraceCheckUtils]: 7: Hoare triple {1408#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; {1448#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:11,431 INFO L273 TraceCheckUtils]: 8: Hoare triple {1448#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {1452#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:11,432 INFO L273 TraceCheckUtils]: 9: Hoare triple {1452#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {1456#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:11,435 INFO L273 TraceCheckUtils]: 10: Hoare triple {1456#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {1460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:11,436 INFO L273 TraceCheckUtils]: 11: Hoare triple {1460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {1464#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:19:11,437 INFO L273 TraceCheckUtils]: 12: Hoare triple {1464#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {1468#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:11,438 INFO L273 TraceCheckUtils]: 13: Hoare triple {1468#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {1472#(and (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= 6 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)))} is VALID [2019-02-14 16:19:11,438 INFO L273 TraceCheckUtils]: 14: Hoare triple {1472#(and (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= 6 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)))} 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; {1409#false} is VALID [2019-02-14 16:19:11,439 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-02-14 16:19:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-02-14 16:19:11,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:11,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:11,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:11,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:11,573 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:11,819 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-02-14 16:19:11,820 INFO L273 TraceCheckUtils]: 14: Hoare triple {1482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {1409#false} is VALID [2019-02-14 16:19:11,822 INFO L273 TraceCheckUtils]: 13: Hoare triple {1486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {1482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,823 INFO L273 TraceCheckUtils]: 12: Hoare triple {1490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {1486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:11,824 INFO L273 TraceCheckUtils]: 11: Hoare triple {1494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {1490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:11,825 INFO L273 TraceCheckUtils]: 10: Hoare triple {1498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {1494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,827 INFO L273 TraceCheckUtils]: 9: Hoare triple {1502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {1498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:11,828 INFO L273 TraceCheckUtils]: 8: Hoare triple {1506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {1502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:19:11,829 INFO L273 TraceCheckUtils]: 7: Hoare triple {1408#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; {1506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:11,829 INFO L273 TraceCheckUtils]: 6: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,829 INFO L273 TraceCheckUtils]: 5: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,830 INFO L273 TraceCheckUtils]: 4: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,830 INFO L273 TraceCheckUtils]: 3: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,830 INFO L273 TraceCheckUtils]: 2: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,830 INFO L273 TraceCheckUtils]: 1: Hoare triple {1408#true} 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; {1408#true} is VALID [2019-02-14 16:19:11,831 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#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; {1408#true} is VALID [2019-02-14 16:19:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-02-14 16:19:11,850 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:11,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2019-02-14 16:19:11,850 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:11,851 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-02-14 16:19:11,851 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:11,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-02-14 16:19:11,891 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:11,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-02-14 16:19:11,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-02-14 16:19:11,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2019-02-14 16:19:11,893 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 23 states. [2019-02-14 16:19:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:13,752 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2019-02-14 16:19:13,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-02-14 16:19:13,752 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-02-14 16:19:13,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-02-14 16:19:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-02-14 16:19:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-02-14 16:19:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-02-14 16:19:13,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 33 transitions. [2019-02-14 16:19:13,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:13,795 INFO L225 Difference]: With dead ends: 29 [2019-02-14 16:19:13,796 INFO L226 Difference]: Without dead ends: 19 [2019-02-14 16:19:13,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=277, Invalid=1363, Unknown=0, NotChecked=0, Total=1640 [2019-02-14 16:19:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-02-14 16:19:13,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-02-14 16:19:13,926 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:13,926 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2019-02-14 16:19:13,927 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-02-14 16:19:13,927 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-02-14 16:19:13,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:13,928 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-02-14 16:19:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-02-14 16:19:13,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:13,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:13,929 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-02-14 16:19:13,929 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-02-14 16:19:13,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:13,930 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-02-14 16:19:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-02-14 16:19:13,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:13,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:13,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:13,932 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-02-14 16:19:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-02-14 16:19:13,933 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2019-02-14 16:19:13,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:13,933 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-02-14 16:19:13,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-02-14 16:19:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-02-14 16:19:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-02-14 16:19:13,934 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:13,934 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1] [2019-02-14 16:19:13,934 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:13,934 INFO L82 PathProgramCache]: Analyzing trace with hash 701707477, now seen corresponding path program 10 times [2019-02-14 16:19:13,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:13,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:13,935 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:13,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:13,936 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:14,322 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#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; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,323 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,325 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,326 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:14,328 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,329 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:14,330 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {1689#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:19:14,331 INFO L273 TraceCheckUtils]: 7: Hoare triple {1689#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,332 INFO L273 TraceCheckUtils]: 8: Hoare triple {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 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; {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,333 INFO L273 TraceCheckUtils]: 9: Hoare triple {1691#(= (+ ULTIMATE.start_main_~j~6 7) 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; {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,334 INFO L273 TraceCheckUtils]: 10: Hoare triple {1692#(= (+ ULTIMATE.start_main_~j~6 6) 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; {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,335 INFO L273 TraceCheckUtils]: 11: Hoare triple {1693#(= (+ ULTIMATE.start_main_~j~6 5) 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; {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,336 INFO L273 TraceCheckUtils]: 12: Hoare triple {1694#(= (+ ULTIMATE.start_main_~j~6 4) 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; {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,337 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(= (+ ULTIMATE.start_main_~j~6 3) 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; {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,338 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(= (+ ULTIMATE.start_main_~j~6 2) 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; {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:14,339 INFO L273 TraceCheckUtils]: 15: Hoare triple {1697#(= (+ 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; {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:14,341 INFO L273 TraceCheckUtils]: 16: Hoare triple {1698#(= (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; {1682#false} is VALID [2019-02-14 16:19:14,341 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-02-14 16:19:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:14,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:14,343 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:14,343 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:14,343 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:14,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:14,343 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:14,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:14,353 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:14,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:14,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:14,797 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:14,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:14,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:14,805 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:14,805 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_43]. (and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_43 6 (select ULTIMATE.start_main_~str1~6 0))) (<= 7 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:14,806 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:14,841 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#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; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,842 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,843 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,844 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:14,845 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,846 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:14,847 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:14,848 INFO L273 TraceCheckUtils]: 7: Hoare triple {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {1724#(and (<= ULTIMATE.start_main_~i~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,849 INFO L273 TraceCheckUtils]: 8: Hoare triple {1724#(and (<= ULTIMATE.start_main_~i~6 7) (<= 7 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; {1728#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 0) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,850 INFO L273 TraceCheckUtils]: 9: Hoare triple {1728#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 0) (<= 7 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; {1732#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 1) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,851 INFO L273 TraceCheckUtils]: 10: Hoare triple {1732#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 1) (<= 7 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; {1736#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 2) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,852 INFO L273 TraceCheckUtils]: 11: Hoare triple {1736#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 2) (<= 7 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; {1740#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 3) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,853 INFO L273 TraceCheckUtils]: 12: Hoare triple {1740#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 3) (<= 7 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; {1744#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 4) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,873 INFO L273 TraceCheckUtils]: 13: Hoare triple {1744#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 4) (<= 7 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; {1748#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 5) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,887 INFO L273 TraceCheckUtils]: 14: Hoare triple {1748#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 5) (<= 7 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; {1752#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 6) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,901 INFO L273 TraceCheckUtils]: 15: Hoare triple {1752#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 6) (<= 7 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; {1756#(and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:14,915 INFO L273 TraceCheckUtils]: 16: Hoare triple {1756#(and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} 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; {1682#false} is VALID [2019-02-14 16:19:14,915 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-02-14 16:19:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:14,916 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:14,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:14,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:14,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:14,951 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:14,953 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:14,954 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:14,954 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:15,077 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-02-14 16:19:15,079 INFO L273 TraceCheckUtils]: 16: Hoare triple {1698#(= (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; {1682#false} is VALID [2019-02-14 16:19:15,081 INFO L273 TraceCheckUtils]: 15: Hoare triple {1697#(= (+ 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; {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:15,082 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(= (+ ULTIMATE.start_main_~j~6 2) 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; {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,083 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(= (+ ULTIMATE.start_main_~j~6 3) 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; {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,084 INFO L273 TraceCheckUtils]: 12: Hoare triple {1694#(= (+ ULTIMATE.start_main_~j~6 4) 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; {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,085 INFO L273 TraceCheckUtils]: 11: Hoare triple {1693#(= (+ ULTIMATE.start_main_~j~6 5) 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; {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,086 INFO L273 TraceCheckUtils]: 10: Hoare triple {1692#(= (+ ULTIMATE.start_main_~j~6 6) 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; {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,087 INFO L273 TraceCheckUtils]: 9: Hoare triple {1691#(= (+ ULTIMATE.start_main_~j~6 7) 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; {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,088 INFO L273 TraceCheckUtils]: 8: Hoare triple {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 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; {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:15,089 INFO L273 TraceCheckUtils]: 7: Hoare triple {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:15,090 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:15,091 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:15,092 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:15,094 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:15,095 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:15,096 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:15,096 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#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; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:15,116 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:15,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2019-02-14 16:19:15,117 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:15,117 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-02-14 16:19:15,117 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:15,117 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2019-02-14 16:19:15,149 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:15,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-02-14 16:19:15,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-02-14 16:19:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2019-02-14 16:19:15,150 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 28 states. [2019-02-14 16:19:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:16,854 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-02-14 16:19:16,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-02-14 16:19:16,854 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-02-14 16:19:16,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-02-14 16:19:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-02-14 16:19:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-02-14 16:19:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-02-14 16:19:16,857 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 26 transitions. [2019-02-14 16:19:16,886 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:16,886 INFO L225 Difference]: With dead ends: 30 [2019-02-14 16:19:16,886 INFO L226 Difference]: Without dead ends: 20 [2019-02-14 16:19:16,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=1238, Unknown=0, NotChecked=0, Total=1406 [2019-02-14 16:19:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-02-14 16:19:17,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-02-14 16:19:17,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:17,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2019-02-14 16:19:17,009 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-02-14 16:19:17,010 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-02-14 16:19:17,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:17,011 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-02-14 16:19:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-02-14 16:19:17,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:17,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:17,012 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-02-14 16:19:17,012 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-02-14 16:19:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:17,013 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-02-14 16:19:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-02-14 16:19:17,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:17,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:17,013 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:17,014 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-02-14 16:19:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-02-14 16:19:17,014 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2019-02-14 16:19:17,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:17,015 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-02-14 16:19:17,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-02-14 16:19:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-02-14 16:19:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-02-14 16:19:17,015 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:17,016 INFO L402 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1] [2019-02-14 16:19:17,016 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1547184052, now seen corresponding path program 11 times [2019-02-14 16:19:17,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:17,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:17,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:17,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:17,017 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:17,195 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,197 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,198 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,199 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,200 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,201 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,202 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,203 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,204 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:17,205 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,206 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,207 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,207 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,208 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,209 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,210 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,211 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,212 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1969#false} is VALID [2019-02-14 16:19:17,212 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-02-14 16:19:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:17,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:17,214 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:17,214 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:17,214 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:17,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:17,214 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:17,224 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:19:17,224 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:19:17,247 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-02-14 16:19:17,247 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:17,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:17,366 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,367 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,368 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,369 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,373 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,375 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,376 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,377 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,377 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:17,378 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,378 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,379 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,380 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,381 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,382 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,383 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,384 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,385 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1969#false} is VALID [2019-02-14 16:19:17,385 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-02-14 16:19:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:17,386 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:17,551 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-02-14 16:19:17,551 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} 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; {1969#false} is VALID [2019-02-14 16:19:17,552 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,553 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,553 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,554 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,555 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,556 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,557 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,559 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,560 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~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; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:17,561 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~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; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,561 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~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; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,562 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~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; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,563 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~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; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,564 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~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; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,565 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~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; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,566 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~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; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,567 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#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; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:17,588 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:17,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2019-02-14 16:19:17,588 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:17,588 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-02-14 16:19:17,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:17,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-02-14 16:19:17,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:17,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-02-14 16:19:17,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-02-14 16:19:17,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-02-14 16:19:17,612 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 11 states. [2019-02-14 16:19:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:18,310 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-02-14 16:19:18,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-02-14 16:19:18,310 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-02-14 16:19:18,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-14 16:19:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-02-14 16:19:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-02-14 16:19:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-02-14 16:19:18,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 24 transitions. [2019-02-14 16:19:18,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:18,338 INFO L225 Difference]: With dead ends: 23 [2019-02-14 16:19:18,338 INFO L226 Difference]: Without dead ends: 21 [2019-02-14 16:19:18,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2019-02-14 16:19:18,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-02-14 16:19:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-02-14 16:19:18,492 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:18,493 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2019-02-14 16:19:18,493 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-02-14 16:19:18,493 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-02-14 16:19:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:18,494 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-02-14 16:19:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-02-14 16:19:18,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:18,495 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:18,495 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-02-14 16:19:18,495 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-02-14 16:19:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:18,496 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-02-14 16:19:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-02-14 16:19:18,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:18,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:18,497 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:18,497 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-02-14 16:19:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-02-14 16:19:18,497 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2019-02-14 16:19:18,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:18,498 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-02-14 16:19:18,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-02-14 16:19:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-02-14 16:19:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-02-14 16:19:18,498 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:18,498 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1] [2019-02-14 16:19:18,499 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:18,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash -718063542, now seen corresponding path program 12 times [2019-02-14 16:19:18,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:18,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:18,500 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:18,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:18,500 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:18,999 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#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; {2232#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,000 INFO L273 TraceCheckUtils]: 1: Hoare triple {2232#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {2233#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,001 INFO L273 TraceCheckUtils]: 2: Hoare triple {2233#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {2234#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,003 INFO L273 TraceCheckUtils]: 3: Hoare triple {2234#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {2235#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:19,015 INFO L273 TraceCheckUtils]: 4: Hoare triple {2235#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {2236#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,016 INFO L273 TraceCheckUtils]: 5: Hoare triple {2236#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {2237#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:19,016 INFO L273 TraceCheckUtils]: 6: Hoare triple {2237#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {2238#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,017 INFO L273 TraceCheckUtils]: 7: Hoare triple {2238#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {2239#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7)))} is VALID [2019-02-14 16:19:19,018 INFO L273 TraceCheckUtils]: 8: Hoare triple {2239#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7)))} 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; {2240#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 8 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:19,019 INFO L273 TraceCheckUtils]: 9: Hoare triple {2240#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 8 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; {2241#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,021 INFO L273 TraceCheckUtils]: 10: Hoare triple {2241#(= (+ ULTIMATE.start_main_~j~6 8) 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; {2242#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,022 INFO L273 TraceCheckUtils]: 11: Hoare triple {2242#(= (+ ULTIMATE.start_main_~j~6 7) 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; {2243#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,023 INFO L273 TraceCheckUtils]: 12: Hoare triple {2243#(= (+ ULTIMATE.start_main_~j~6 6) 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; {2244#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,024 INFO L273 TraceCheckUtils]: 13: Hoare triple {2244#(= (+ ULTIMATE.start_main_~j~6 5) 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; {2245#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,025 INFO L273 TraceCheckUtils]: 14: Hoare triple {2245#(= (+ ULTIMATE.start_main_~j~6 4) 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; {2246#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,027 INFO L273 TraceCheckUtils]: 15: Hoare triple {2246#(= (+ ULTIMATE.start_main_~j~6 3) 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; {2247#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,028 INFO L273 TraceCheckUtils]: 16: Hoare triple {2247#(= (+ ULTIMATE.start_main_~j~6 2) 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; {2248#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:19,029 INFO L273 TraceCheckUtils]: 17: Hoare triple {2248#(= (+ 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; {2249#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:19,030 INFO L273 TraceCheckUtils]: 18: Hoare triple {2249#(= (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; {2231#false} is VALID [2019-02-14 16:19:19,031 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-02-14 16:19:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:19,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:19,033 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:19,033 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:19,033 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:19,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:19,033 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:19,050 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:19:19,051 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:19:19,065 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:19:19,065 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:19,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:19,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:19,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:19,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:19,347 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:19,349 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:19,350 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_58]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_58 7 (select ULTIMATE.start_main_~str1~6 0))) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9))) [2019-02-14 16:19:19,350 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9))) [2019-02-14 16:19:19,393 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#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; {2230#true} is VALID [2019-02-14 16:19:19,393 INFO L273 TraceCheckUtils]: 1: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,393 INFO L273 TraceCheckUtils]: 2: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,394 INFO L273 TraceCheckUtils]: 3: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,394 INFO L273 TraceCheckUtils]: 4: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,394 INFO L273 TraceCheckUtils]: 5: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,394 INFO L273 TraceCheckUtils]: 6: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,394 INFO L273 TraceCheckUtils]: 7: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,395 INFO L273 TraceCheckUtils]: 8: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,395 INFO L273 TraceCheckUtils]: 9: Hoare triple {2230#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; {2280#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:19,396 INFO L273 TraceCheckUtils]: 10: Hoare triple {2280#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {2284#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:19,396 INFO L273 TraceCheckUtils]: 11: Hoare triple {2284#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {2288#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:19,397 INFO L273 TraceCheckUtils]: 12: Hoare triple {2288#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {2292#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:19,398 INFO L273 TraceCheckUtils]: 13: Hoare triple {2292#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {2296#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:19:19,398 INFO L273 TraceCheckUtils]: 14: Hoare triple {2296#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {2300#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:19,399 INFO L273 TraceCheckUtils]: 15: Hoare triple {2300#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {2304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:19,400 INFO L273 TraceCheckUtils]: 16: Hoare triple {2304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {2308#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:19:19,401 INFO L273 TraceCheckUtils]: 17: Hoare triple {2308#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {2312#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)))} is VALID [2019-02-14 16:19:19,402 INFO L273 TraceCheckUtils]: 18: Hoare triple {2312#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)))} 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; {2231#false} is VALID [2019-02-14 16:19:19,402 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-02-14 16:19:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-02-14 16:19:19,404 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:19,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:19,533 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:19,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:19,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:19,547 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:19,547 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:19:19,548 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:19,916 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-02-14 16:19:19,918 INFO L273 TraceCheckUtils]: 18: Hoare triple {2322#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {2231#false} is VALID [2019-02-14 16:19:19,920 INFO L273 TraceCheckUtils]: 17: Hoare triple {2326#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {2322#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,921 INFO L273 TraceCheckUtils]: 16: Hoare triple {2330#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {2326#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:19,922 INFO L273 TraceCheckUtils]: 15: Hoare triple {2334#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {2330#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:19,923 INFO L273 TraceCheckUtils]: 14: Hoare triple {2338#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {2334#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,924 INFO L273 TraceCheckUtils]: 13: Hoare triple {2342#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {2338#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,926 INFO L273 TraceCheckUtils]: 12: Hoare triple {2346#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {2342#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:19:19,927 INFO L273 TraceCheckUtils]: 11: Hoare triple {2350#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {2346#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:19,928 INFO L273 TraceCheckUtils]: 10: Hoare triple {2354#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {2350#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,929 INFO L273 TraceCheckUtils]: 9: Hoare triple {2230#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; {2354#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:19,929 INFO L273 TraceCheckUtils]: 8: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,930 INFO L273 TraceCheckUtils]: 7: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,930 INFO L273 TraceCheckUtils]: 6: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,930 INFO L273 TraceCheckUtils]: 5: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,930 INFO L273 TraceCheckUtils]: 4: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,931 INFO L273 TraceCheckUtils]: 3: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,931 INFO L273 TraceCheckUtils]: 2: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,931 INFO L273 TraceCheckUtils]: 1: Hoare triple {2230#true} 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; {2230#true} is VALID [2019-02-14 16:19:19,931 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#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; {2230#true} is VALID [2019-02-14 16:19:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-02-14 16:19:19,950 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:19,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2019-02-14 16:19:19,950 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:19,950 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-02-14 16:19:19,951 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:19,951 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-02-14 16:19:19,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:19,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-02-14 16:19:19,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-02-14 16:19:19,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2019-02-14 16:19:19,983 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 29 states. [2019-02-14 16:19:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:22,375 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2019-02-14 16:19:22,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-02-14 16:19:22,376 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-02-14 16:19:22,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-02-14 16:19:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-02-14 16:19:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-02-14 16:19:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-02-14 16:19:22,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 39 transitions. [2019-02-14 16:19:22,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:22,432 INFO L225 Difference]: With dead ends: 35 [2019-02-14 16:19:22,432 INFO L226 Difference]: Without dead ends: 23 [2019-02-14 16:19:22,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=403, Invalid=2147, Unknown=0, NotChecked=0, Total=2550 [2019-02-14 16:19:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-02-14 16:19:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-02-14 16:19:22,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:22,609 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2019-02-14 16:19:22,609 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-02-14 16:19:22,609 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-02-14 16:19:22,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:22,610 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-02-14 16:19:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-02-14 16:19:22,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:22,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:22,611 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-02-14 16:19:22,611 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-02-14 16:19:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:22,612 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-02-14 16:19:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-02-14 16:19:22,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:22,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:22,613 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:22,613 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-02-14 16:19:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-02-14 16:19:22,614 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2019-02-14 16:19:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:22,614 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-02-14 16:19:22,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-02-14 16:19:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-02-14 16:19:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-02-14 16:19:22,614 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:22,615 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1] [2019-02-14 16:19:22,615 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash -317821643, now seen corresponding path program 13 times [2019-02-14 16:19:22,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:22,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:22,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:23,441 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#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; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:23,442 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:23,443 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:23,443 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:23,445 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:23,445 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:23,447 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:23,449 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:23,450 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {2577#(or (and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:19:23,452 INFO L273 TraceCheckUtils]: 9: Hoare triple {2577#(or (and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:23,452 INFO L273 TraceCheckUtils]: 10: Hoare triple {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 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; {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,454 INFO L273 TraceCheckUtils]: 11: Hoare triple {2579#(= (+ ULTIMATE.start_main_~j~6 9) 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; {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,455 INFO L273 TraceCheckUtils]: 12: Hoare triple {2580#(= (+ ULTIMATE.start_main_~j~6 8) 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; {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,456 INFO L273 TraceCheckUtils]: 13: Hoare triple {2581#(= (+ ULTIMATE.start_main_~j~6 7) 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; {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,457 INFO L273 TraceCheckUtils]: 14: Hoare triple {2582#(= (+ ULTIMATE.start_main_~j~6 6) 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; {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,458 INFO L273 TraceCheckUtils]: 15: Hoare triple {2583#(= (+ ULTIMATE.start_main_~j~6 5) 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; {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,459 INFO L273 TraceCheckUtils]: 16: Hoare triple {2584#(= (+ ULTIMATE.start_main_~j~6 4) 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; {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,461 INFO L273 TraceCheckUtils]: 17: Hoare triple {2585#(= (+ ULTIMATE.start_main_~j~6 3) 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; {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,462 INFO L273 TraceCheckUtils]: 18: Hoare triple {2586#(= (+ ULTIMATE.start_main_~j~6 2) 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; {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:23,463 INFO L273 TraceCheckUtils]: 19: Hoare triple {2587#(= (+ 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; {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:23,465 INFO L273 TraceCheckUtils]: 20: Hoare triple {2588#(= (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; {2568#false} is VALID [2019-02-14 16:19:23,465 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-02-14 16:19:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:23,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:23,467 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:23,467 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:23,467 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:23,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:23,468 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:23,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:23,478 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:23,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:24,033 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:24,035 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:24,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:24,043 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:24,044 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:24,045 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_67]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_67 8 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:24,045 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8))) [2019-02-14 16:19:24,106 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#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; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,107 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,108 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,109 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:24,110 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,112 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:24,113 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,114 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:24,115 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,116 INFO L273 TraceCheckUtils]: 9: Hoare triple {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {2620#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:24,117 INFO L273 TraceCheckUtils]: 10: Hoare triple {2620#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 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; {2624#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} is VALID [2019-02-14 16:19:24,118 INFO L273 TraceCheckUtils]: 11: Hoare triple {2624#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {2628#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} is VALID [2019-02-14 16:19:24,119 INFO L273 TraceCheckUtils]: 12: Hoare triple {2628#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} 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; {2632#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:24,135 INFO L273 TraceCheckUtils]: 13: Hoare triple {2632#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {2636#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:24,136 INFO L273 TraceCheckUtils]: 14: Hoare triple {2636#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} 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; {2640#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} is VALID [2019-02-14 16:19:24,137 INFO L273 TraceCheckUtils]: 15: Hoare triple {2640#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} 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; {2644#(and (<= ULTIMATE.start_main_~MAX~6 9) (= ULTIMATE.start_main_~j~6 5) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:24,138 INFO L273 TraceCheckUtils]: 16: Hoare triple {2644#(and (<= ULTIMATE.start_main_~MAX~6 9) (= ULTIMATE.start_main_~j~6 5) (<= 9 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; {2648#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:24,139 INFO L273 TraceCheckUtils]: 17: Hoare triple {2648#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {2652#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:24,140 INFO L273 TraceCheckUtils]: 18: Hoare triple {2652#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 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; {2656#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:19:24,141 INFO L273 TraceCheckUtils]: 19: Hoare triple {2656#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} 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; {2660#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8)))} is VALID [2019-02-14 16:19:24,142 INFO L273 TraceCheckUtils]: 20: Hoare triple {2660#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8)))} 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; {2568#false} is VALID [2019-02-14 16:19:24,142 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-02-14 16:19:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:24,145 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:24,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:24,241 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:24,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:24,246 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:24,248 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:24,248 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:24,248 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:24,403 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-02-14 16:19:24,405 INFO L273 TraceCheckUtils]: 20: Hoare triple {2588#(= (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; {2568#false} is VALID [2019-02-14 16:19:24,406 INFO L273 TraceCheckUtils]: 19: Hoare triple {2587#(= (+ 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; {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:24,407 INFO L273 TraceCheckUtils]: 18: Hoare triple {2586#(= (+ ULTIMATE.start_main_~j~6 2) 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; {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,408 INFO L273 TraceCheckUtils]: 17: Hoare triple {2585#(= (+ ULTIMATE.start_main_~j~6 3) 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; {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,409 INFO L273 TraceCheckUtils]: 16: Hoare triple {2584#(= (+ ULTIMATE.start_main_~j~6 4) 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; {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,410 INFO L273 TraceCheckUtils]: 15: Hoare triple {2583#(= (+ ULTIMATE.start_main_~j~6 5) 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; {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,411 INFO L273 TraceCheckUtils]: 14: Hoare triple {2582#(= (+ ULTIMATE.start_main_~j~6 6) 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; {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,412 INFO L273 TraceCheckUtils]: 13: Hoare triple {2581#(= (+ ULTIMATE.start_main_~j~6 7) 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; {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,413 INFO L273 TraceCheckUtils]: 12: Hoare triple {2580#(= (+ ULTIMATE.start_main_~j~6 8) 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; {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,414 INFO L273 TraceCheckUtils]: 11: Hoare triple {2579#(= (+ ULTIMATE.start_main_~j~6 9) 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; {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,415 INFO L273 TraceCheckUtils]: 10: Hoare triple {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 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; {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:24,417 INFO L273 TraceCheckUtils]: 9: Hoare triple {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:24,418 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,419 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:24,420 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,421 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:24,422 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,423 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:24,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,425 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,426 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#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; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:24,447 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:24,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 33 [2019-02-14 16:19:24,447 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:24,448 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-02-14 16:19:24,448 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:24,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2019-02-14 16:19:24,485 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:24,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-02-14 16:19:24,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-02-14 16:19:24,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2019-02-14 16:19:24,486 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 34 states. [2019-02-14 16:19:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:26,797 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-02-14 16:19:26,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-02-14 16:19:26,798 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-02-14 16:19:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-02-14 16:19:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-02-14 16:19:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-02-14 16:19:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-02-14 16:19:26,799 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 30 transitions. [2019-02-14 16:19:26,835 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:26,836 INFO L225 Difference]: With dead ends: 36 [2019-02-14 16:19:26,837 INFO L226 Difference]: Without dead ends: 24 [2019-02-14 16:19:26,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 25 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=206, Invalid=1864, Unknown=0, NotChecked=0, Total=2070 [2019-02-14 16:19:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-02-14 16:19:27,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-02-14 16:19:27,063 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:27,063 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2019-02-14 16:19:27,063 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-02-14 16:19:27,063 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-02-14 16:19:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:27,064 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-02-14 16:19:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-02-14 16:19:27,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:27,065 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:27,065 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-02-14 16:19:27,065 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-02-14 16:19:27,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:27,066 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-02-14 16:19:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-02-14 16:19:27,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:27,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:27,066 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:27,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-02-14 16:19:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-02-14 16:19:27,067 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2019-02-14 16:19:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:27,068 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-02-14 16:19:27,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-02-14 16:19:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-02-14 16:19:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-02-14 16:19:27,068 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:27,068 INFO L402 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1] [2019-02-14 16:19:27,069 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:27,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:27,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1283882284, now seen corresponding path program 14 times [2019-02-14 16:19:27,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:27,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:27,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:27,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:27,070 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:27,273 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,274 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,275 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,276 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,277 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,278 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,279 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,280 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,281 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,282 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,283 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:27,284 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,285 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,286 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,287 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,288 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,289 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,289 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,290 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,291 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,292 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,293 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} 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; {2917#false} is VALID [2019-02-14 16:19:27,293 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-02-14 16:19:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:27,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:27,295 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:27,295 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:27,295 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:27,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:27,296 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:27,307 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:19:27,307 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:19:27,335 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-02-14 16:19:27,335 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:27,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:27,468 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,469 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,470 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,471 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,472 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,473 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,474 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,475 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,476 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,476 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,477 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:27,478 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,479 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,480 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,481 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,482 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,483 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,484 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,484 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,485 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,486 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,487 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} 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; {2917#false} is VALID [2019-02-14 16:19:27,487 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-02-14 16:19:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:27,488 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:27,725 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-02-14 16:19:27,726 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} 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; {2917#false} is VALID [2019-02-14 16:19:27,727 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,728 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,729 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,730 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,731 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,732 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,733 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,734 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,735 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,736 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,736 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~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; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:27,737 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~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; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,738 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~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; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,739 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~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; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,740 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~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; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,741 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~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; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,742 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~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; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,743 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~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; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,744 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~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; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,745 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~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; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,745 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#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; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:27,766 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:27,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2019-02-14 16:19:27,766 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:27,767 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-02-14 16:19:27,767 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:27,767 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2019-02-14 16:19:27,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:27,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-02-14 16:19:27,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-02-14 16:19:27,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-02-14 16:19:27,793 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2019-02-14 16:19:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:28,268 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-02-14 16:19:28,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-02-14 16:19:28,268 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-02-14 16:19:28,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-02-14 16:19:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-02-14 16:19:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-02-14 16:19:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-02-14 16:19:28,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 28 transitions. [2019-02-14 16:19:28,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:28,307 INFO L225 Difference]: With dead ends: 27 [2019-02-14 16:19:28,308 INFO L226 Difference]: Without dead ends: 25 [2019-02-14 16:19:28,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 20 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2019-02-14 16:19:28,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-02-14 16:19:28,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-02-14 16:19:28,797 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:28,797 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2019-02-14 16:19:28,797 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-02-14 16:19:28,797 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-02-14 16:19:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:28,798 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-02-14 16:19:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-02-14 16:19:28,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:28,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:28,799 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-02-14 16:19:28,799 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-02-14 16:19:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:28,801 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-02-14 16:19:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-02-14 16:19:28,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:28,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:28,801 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:28,801 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-02-14 16:19:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-02-14 16:19:28,802 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 23 [2019-02-14 16:19:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:28,803 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-02-14 16:19:28,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-02-14 16:19:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-02-14 16:19:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-02-14 16:19:28,803 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:28,803 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1] [2019-02-14 16:19:28,804 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:28,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:28,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1145646954, now seen corresponding path program 15 times [2019-02-14 16:19:28,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:28,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:28,805 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:28,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:28,805 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:29,807 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#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; {3234#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,808 INFO L273 TraceCheckUtils]: 1: Hoare triple {3234#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {3235#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,809 INFO L273 TraceCheckUtils]: 2: Hoare triple {3235#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {3236#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,810 INFO L273 TraceCheckUtils]: 3: Hoare triple {3236#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {3237#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:29,811 INFO L273 TraceCheckUtils]: 4: Hoare triple {3237#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {3238#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,812 INFO L273 TraceCheckUtils]: 5: Hoare triple {3238#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {3239#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:29,814 INFO L273 TraceCheckUtils]: 6: Hoare triple {3239#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {3240#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,815 INFO L273 TraceCheckUtils]: 7: Hoare triple {3240#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {3241#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:29,816 INFO L273 TraceCheckUtils]: 8: Hoare triple {3241#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {3242#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:29,817 INFO L273 TraceCheckUtils]: 9: Hoare triple {3242#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {3243#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:19:29,818 INFO L273 TraceCheckUtils]: 10: Hoare triple {3243#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {3244#(or (= 10 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:29,819 INFO L273 TraceCheckUtils]: 11: Hoare triple {3244#(or (= 10 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {3245#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,820 INFO L273 TraceCheckUtils]: 12: Hoare triple {3245#(= (+ ULTIMATE.start_main_~j~6 10) 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; {3246#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,821 INFO L273 TraceCheckUtils]: 13: Hoare triple {3246#(= (+ ULTIMATE.start_main_~j~6 9) 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; {3247#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,822 INFO L273 TraceCheckUtils]: 14: Hoare triple {3247#(= (+ ULTIMATE.start_main_~j~6 8) 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; {3248#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,823 INFO L273 TraceCheckUtils]: 15: Hoare triple {3248#(= (+ ULTIMATE.start_main_~j~6 7) 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; {3249#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,824 INFO L273 TraceCheckUtils]: 16: Hoare triple {3249#(= (+ ULTIMATE.start_main_~j~6 6) 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; {3250#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,825 INFO L273 TraceCheckUtils]: 17: Hoare triple {3250#(= (+ ULTIMATE.start_main_~j~6 5) 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; {3251#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,826 INFO L273 TraceCheckUtils]: 18: Hoare triple {3251#(= (+ ULTIMATE.start_main_~j~6 4) 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; {3252#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,827 INFO L273 TraceCheckUtils]: 19: Hoare triple {3252#(= (+ ULTIMATE.start_main_~j~6 3) 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; {3253#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,828 INFO L273 TraceCheckUtils]: 20: Hoare triple {3253#(= (+ ULTIMATE.start_main_~j~6 2) 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; {3254#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:29,830 INFO L273 TraceCheckUtils]: 21: Hoare triple {3254#(= (+ 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; {3255#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:29,831 INFO L273 TraceCheckUtils]: 22: Hoare triple {3255#(= (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; {3233#false} is VALID [2019-02-14 16:19:29,831 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-02-14 16:19:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:29,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:29,833 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:29,833 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:29,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:29,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:29,833 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:29,842 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:19:29,843 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:19:29,858 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:19:29,859 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:29,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:30,272 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:30,273 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:30,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:30,280 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:30,283 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:30,283 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_86]. (and (<= 10 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_86 9 (select ULTIMATE.start_main_~str1~6 0)))) [2019-02-14 16:19:30,283 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 10 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9))) [2019-02-14 16:19:30,330 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#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; {3232#true} is VALID [2019-02-14 16:19:30,330 INFO L273 TraceCheckUtils]: 1: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,331 INFO L273 TraceCheckUtils]: 2: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,331 INFO L273 TraceCheckUtils]: 3: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,331 INFO L273 TraceCheckUtils]: 4: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,331 INFO L273 TraceCheckUtils]: 5: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,331 INFO L273 TraceCheckUtils]: 6: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,332 INFO L273 TraceCheckUtils]: 7: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,332 INFO L273 TraceCheckUtils]: 8: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,332 INFO L273 TraceCheckUtils]: 9: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,332 INFO L273 TraceCheckUtils]: 10: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,333 INFO L273 TraceCheckUtils]: 11: Hoare triple {3232#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; {3292#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:30,334 INFO L273 TraceCheckUtils]: 12: Hoare triple {3292#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {3296#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:30,334 INFO L273 TraceCheckUtils]: 13: Hoare triple {3296#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {3300#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:30,335 INFO L273 TraceCheckUtils]: 14: Hoare triple {3300#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {3304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:30,336 INFO L273 TraceCheckUtils]: 15: Hoare triple {3304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {3308#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:19:30,336 INFO L273 TraceCheckUtils]: 16: Hoare triple {3308#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {3312#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:30,337 INFO L273 TraceCheckUtils]: 17: Hoare triple {3312#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {3316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:30,338 INFO L273 TraceCheckUtils]: 18: Hoare triple {3316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {3320#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:19:30,339 INFO L273 TraceCheckUtils]: 19: Hoare triple {3320#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {3324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:19:30,340 INFO L273 TraceCheckUtils]: 20: Hoare triple {3324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {3328#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:19:30,341 INFO L273 TraceCheckUtils]: 21: Hoare triple {3328#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {3332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (<= 10 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:30,343 INFO L273 TraceCheckUtils]: 22: Hoare triple {3332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (<= 10 ULTIMATE.start_main_~MAX~6))} 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; {3233#false} is VALID [2019-02-14 16:19:30,343 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-02-14 16:19:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-02-14 16:19:30,344 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:30,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:30,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:30,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:30,442 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:30,444 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:30,445 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:19:30,445 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:30,914 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-02-14 16:19:30,915 INFO L273 TraceCheckUtils]: 22: Hoare triple {3342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {3233#false} is VALID [2019-02-14 16:19:30,917 INFO L273 TraceCheckUtils]: 21: Hoare triple {3346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {3342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,918 INFO L273 TraceCheckUtils]: 20: Hoare triple {3350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {3346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:30,919 INFO L273 TraceCheckUtils]: 19: Hoare triple {3354#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {3350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:30,920 INFO L273 TraceCheckUtils]: 18: Hoare triple {3358#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {3354#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,921 INFO L273 TraceCheckUtils]: 17: Hoare triple {3362#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {3358#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,942 INFO L273 TraceCheckUtils]: 16: Hoare triple {3366#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {3362#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:19:30,943 INFO L273 TraceCheckUtils]: 15: Hoare triple {3370#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {3366#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:30,943 INFO L273 TraceCheckUtils]: 14: Hoare triple {3374#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {3370#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,944 INFO L273 TraceCheckUtils]: 13: Hoare triple {3378#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {3374#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,945 INFO L273 TraceCheckUtils]: 12: Hoare triple {3382#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {3378#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:19:30,946 INFO L273 TraceCheckUtils]: 11: Hoare triple {3232#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; {3382#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:30,946 INFO L273 TraceCheckUtils]: 10: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,946 INFO L273 TraceCheckUtils]: 9: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,946 INFO L273 TraceCheckUtils]: 8: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,947 INFO L273 TraceCheckUtils]: 7: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,947 INFO L273 TraceCheckUtils]: 6: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,947 INFO L273 TraceCheckUtils]: 5: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,947 INFO L273 TraceCheckUtils]: 4: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,948 INFO L273 TraceCheckUtils]: 3: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,948 INFO L273 TraceCheckUtils]: 2: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,948 INFO L273 TraceCheckUtils]: 1: Hoare triple {3232#true} 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; {3232#true} is VALID [2019-02-14 16:19:30,948 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#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; {3232#true} is VALID [2019-02-14 16:19:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-02-14 16:19:30,968 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:30,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 46 [2019-02-14 16:19:30,968 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:30,968 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-02-14 16:19:30,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:30,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-02-14 16:19:31,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:31,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-02-14 16:19:31,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-02-14 16:19:31,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1760, Unknown=0, NotChecked=0, Total=2070 [2019-02-14 16:19:31,011 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 35 states. [2019-02-14 16:19:35,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:35,270 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2019-02-14 16:19:35,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-02-14 16:19:35,270 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-02-14 16:19:35,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-02-14 16:19:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-02-14 16:19:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-02-14 16:19:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-02-14 16:19:35,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 45 transitions. [2019-02-14 16:19:35,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:35,329 INFO L225 Difference]: With dead ends: 41 [2019-02-14 16:19:35,329 INFO L226 Difference]: Without dead ends: 27 [2019-02-14 16:19:35,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=553, Invalid=3107, Unknown=0, NotChecked=0, Total=3660 [2019-02-14 16:19:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-02-14 16:19:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-02-14 16:19:35,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:35,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2019-02-14 16:19:35,602 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-02-14 16:19:35,602 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-02-14 16:19:35,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:35,603 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-02-14 16:19:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-02-14 16:19:35,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:35,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:35,604 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-02-14 16:19:35,604 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-02-14 16:19:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:35,605 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-02-14 16:19:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-02-14 16:19:35,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:35,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:35,605 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:35,605 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-02-14 16:19:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-02-14 16:19:35,606 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2019-02-14 16:19:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:35,606 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-02-14 16:19:35,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-02-14 16:19:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-02-14 16:19:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-02-14 16:19:35,607 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:35,607 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 1, 1, 1, 1] [2019-02-14 16:19:35,607 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:35,608 INFO L82 PathProgramCache]: Analyzing trace with hash 430349717, now seen corresponding path program 16 times [2019-02-14 16:19:35,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:35,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:35,609 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:35,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:35,609 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:36,158 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#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; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,159 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,160 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,161 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:36,162 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,163 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:36,164 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,165 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:36,166 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,167 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,168 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {3645#(or (and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:19:36,170 INFO L273 TraceCheckUtils]: 11: Hoare triple {3645#(or (and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,171 INFO L273 TraceCheckUtils]: 12: Hoare triple {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 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; {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,172 INFO L273 TraceCheckUtils]: 13: Hoare triple {3647#(= (+ ULTIMATE.start_main_~j~6 11) 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; {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,173 INFO L273 TraceCheckUtils]: 14: Hoare triple {3648#(= (+ ULTIMATE.start_main_~j~6 10) 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; {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,174 INFO L273 TraceCheckUtils]: 15: Hoare triple {3649#(= (+ ULTIMATE.start_main_~j~6 9) 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; {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,175 INFO L273 TraceCheckUtils]: 16: Hoare triple {3650#(= (+ ULTIMATE.start_main_~j~6 8) 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; {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,180 INFO L273 TraceCheckUtils]: 17: Hoare triple {3651#(= (+ ULTIMATE.start_main_~j~6 7) 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; {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,181 INFO L273 TraceCheckUtils]: 18: Hoare triple {3652#(= (+ ULTIMATE.start_main_~j~6 6) 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; {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,181 INFO L273 TraceCheckUtils]: 19: Hoare triple {3653#(= (+ ULTIMATE.start_main_~j~6 5) 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; {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,182 INFO L273 TraceCheckUtils]: 20: Hoare triple {3654#(= (+ ULTIMATE.start_main_~j~6 4) 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; {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,182 INFO L273 TraceCheckUtils]: 21: Hoare triple {3655#(= (+ ULTIMATE.start_main_~j~6 3) 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; {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,183 INFO L273 TraceCheckUtils]: 22: Hoare triple {3656#(= (+ ULTIMATE.start_main_~j~6 2) 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; {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:36,184 INFO L273 TraceCheckUtils]: 23: Hoare triple {3657#(= (+ 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; {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:36,185 INFO L273 TraceCheckUtils]: 24: Hoare triple {3658#(= (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; {3634#false} is VALID [2019-02-14 16:19:36,185 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-02-14 16:19:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:36,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:36,187 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:36,187 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:36,188 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:36,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:36,188 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:36,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:36,199 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:36,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:36,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:36,857 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:36,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:36,863 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:36,866 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:36,866 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_97]. (and (= (store v_ULTIMATE.start_main_~str2~6_97 10 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:36,866 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:36,908 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#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; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,910 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,911 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,912 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:36,913 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,914 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:36,915 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,916 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:36,917 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,918 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,919 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:36,920 INFO L273 TraceCheckUtils]: 11: Hoare triple {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {3696#(and (<= ULTIMATE.start_main_~i~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,921 INFO L273 TraceCheckUtils]: 12: Hoare triple {3696#(and (<= ULTIMATE.start_main_~i~6 11) (<= 11 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; {3700#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,922 INFO L273 TraceCheckUtils]: 13: Hoare triple {3700#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3704#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,923 INFO L273 TraceCheckUtils]: 14: Hoare triple {3704#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3708#(and (<= ULTIMATE.start_main_~MAX~6 11) (= ULTIMATE.start_main_~j~6 2) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,924 INFO L273 TraceCheckUtils]: 15: Hoare triple {3708#(and (<= ULTIMATE.start_main_~MAX~6 11) (= ULTIMATE.start_main_~j~6 2) (<= 11 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; {3712#(and (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,925 INFO L273 TraceCheckUtils]: 16: Hoare triple {3712#(and (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3716#(and (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,925 INFO L273 TraceCheckUtils]: 17: Hoare triple {3716#(and (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3720#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,926 INFO L273 TraceCheckUtils]: 18: Hoare triple {3720#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3724#(and (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:36,927 INFO L273 TraceCheckUtils]: 19: Hoare triple {3724#(and (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {3728#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,928 INFO L273 TraceCheckUtils]: 20: Hoare triple {3728#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3732#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,929 INFO L273 TraceCheckUtils]: 21: Hoare triple {3732#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3736#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,930 INFO L273 TraceCheckUtils]: 22: Hoare triple {3736#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3740#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,931 INFO L273 TraceCheckUtils]: 23: Hoare triple {3740#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 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; {3744#(and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:36,932 INFO L273 TraceCheckUtils]: 24: Hoare triple {3744#(and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} 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; {3634#false} is VALID [2019-02-14 16:19:36,932 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-02-14 16:19:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:36,934 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:36,961 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:36,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:36,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:36,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:36,968 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:36,968 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:36,969 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:37,121 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-02-14 16:19:37,123 INFO L273 TraceCheckUtils]: 24: Hoare triple {3658#(= (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; {3634#false} is VALID [2019-02-14 16:19:37,124 INFO L273 TraceCheckUtils]: 23: Hoare triple {3657#(= (+ 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; {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:37,125 INFO L273 TraceCheckUtils]: 22: Hoare triple {3656#(= (+ ULTIMATE.start_main_~j~6 2) 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; {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,126 INFO L273 TraceCheckUtils]: 21: Hoare triple {3655#(= (+ ULTIMATE.start_main_~j~6 3) 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; {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,127 INFO L273 TraceCheckUtils]: 20: Hoare triple {3654#(= (+ ULTIMATE.start_main_~j~6 4) 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; {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,128 INFO L273 TraceCheckUtils]: 19: Hoare triple {3653#(= (+ ULTIMATE.start_main_~j~6 5) 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; {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,129 INFO L273 TraceCheckUtils]: 18: Hoare triple {3652#(= (+ ULTIMATE.start_main_~j~6 6) 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; {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,130 INFO L273 TraceCheckUtils]: 17: Hoare triple {3651#(= (+ ULTIMATE.start_main_~j~6 7) 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; {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,131 INFO L273 TraceCheckUtils]: 16: Hoare triple {3650#(= (+ ULTIMATE.start_main_~j~6 8) 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; {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,132 INFO L273 TraceCheckUtils]: 15: Hoare triple {3649#(= (+ ULTIMATE.start_main_~j~6 9) 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; {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,133 INFO L273 TraceCheckUtils]: 14: Hoare triple {3648#(= (+ ULTIMATE.start_main_~j~6 10) 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; {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,134 INFO L273 TraceCheckUtils]: 13: Hoare triple {3647#(= (+ ULTIMATE.start_main_~j~6 11) 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; {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,135 INFO L273 TraceCheckUtils]: 12: Hoare triple {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 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; {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:37,136 INFO L273 TraceCheckUtils]: 11: Hoare triple {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:37,137 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,139 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,140 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,141 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:37,142 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,143 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:37,144 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,145 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:37,146 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,147 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,147 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#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; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:37,167 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:37,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 39 [2019-02-14 16:19:37,168 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:37,168 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-02-14 16:19:37,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:37,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2019-02-14 16:19:37,212 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:37,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-02-14 16:19:37,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-02-14 16:19:37,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2019-02-14 16:19:37,214 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 40 states. [2019-02-14 16:19:40,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:40,540 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-02-14 16:19:40,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-02-14 16:19:40,540 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-02-14 16:19:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-02-14 16:19:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-02-14 16:19:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-02-14 16:19:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-02-14 16:19:40,542 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 34 transitions. [2019-02-14 16:19:40,580 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:40,581 INFO L225 Difference]: With dead ends: 42 [2019-02-14 16:19:40,581 INFO L226 Difference]: Without dead ends: 28 [2019-02-14 16:19:40,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 30 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=244, Invalid=2618, Unknown=0, NotChecked=0, Total=2862 [2019-02-14 16:19:40,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-02-14 16:19:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-02-14 16:19:40,852 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:40,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2019-02-14 16:19:40,852 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-02-14 16:19:40,852 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-02-14 16:19:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:40,853 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-02-14 16:19:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-02-14 16:19:40,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:40,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:40,854 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-02-14 16:19:40,854 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-02-14 16:19:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:40,855 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-02-14 16:19:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-02-14 16:19:40,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:40,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:40,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:40,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-02-14 16:19:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-02-14 16:19:40,857 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 26 [2019-02-14 16:19:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:40,858 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-02-14 16:19:40,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-02-14 16:19:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-02-14 16:19:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-02-14 16:19:40,858 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:40,858 INFO L402 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1, 1] [2019-02-14 16:19:40,859 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:40,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:40,859 INFO L82 PathProgramCache]: Analyzing trace with hash -568862196, now seen corresponding path program 17 times [2019-02-14 16:19:40,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:40,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:40,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:40,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:40,860 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:41,625 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,626 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,627 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,628 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,629 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,630 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,631 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,632 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,633 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,634 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,635 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,636 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,637 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:41,638 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,639 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,640 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,659 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,673 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,682 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,696 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,705 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,708 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,709 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,709 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,710 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:41,710 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} 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; {4045#false} is VALID [2019-02-14 16:19:41,710 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-02-14 16:19:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:41,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:41,712 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:41,712 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:41,712 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:41,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:41,712 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:41,721 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:19:41,721 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:19:41,757 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-02-14 16:19:41,757 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:41,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:42,056 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,075 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,084 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,090 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,091 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,092 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,092 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,093 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,093 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,094 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,095 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,095 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,096 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:42,097 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,098 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,099 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,100 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,101 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,102 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,103 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,104 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,105 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,106 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,107 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,108 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,108 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} 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; {4045#false} is VALID [2019-02-14 16:19:42,108 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-02-14 16:19:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:42,110 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:42,490 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-02-14 16:19:42,490 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} 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; {4045#false} is VALID [2019-02-14 16:19:42,491 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,492 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,493 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,494 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,495 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,496 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,497 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,498 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,499 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,500 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,501 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,502 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,503 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~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; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:42,504 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~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; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,505 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~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; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,506 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~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; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,507 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~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; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,507 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~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; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,508 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~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; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,509 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~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; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,510 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~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; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,511 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~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; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,512 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~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; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,513 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~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; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,514 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#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; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:19:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:42,535 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:42,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 14 [2019-02-14 16:19:42,536 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:42,536 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-02-14 16:19:42,536 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:42,536 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2019-02-14 16:19:42,568 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:42,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-02-14 16:19:42,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-02-14 16:19:42,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-02-14 16:19:42,569 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 15 states. [2019-02-14 16:19:43,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:43,177 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-02-14 16:19:43,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-02-14 16:19:43,178 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-02-14 16:19:43,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-02-14 16:19:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-02-14 16:19:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-02-14 16:19:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-02-14 16:19:43,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 32 transitions. [2019-02-14 16:19:43,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:43,590 INFO L225 Difference]: With dead ends: 31 [2019-02-14 16:19:43,590 INFO L226 Difference]: Without dead ends: 29 [2019-02-14 16:19:43,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 24 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2019-02-14 16:19:43,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-02-14 16:19:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-02-14 16:19:44,206 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:44,207 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2019-02-14 16:19:44,207 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-02-14 16:19:44,207 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-02-14 16:19:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:44,208 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-02-14 16:19:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-02-14 16:19:44,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:44,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:44,209 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-02-14 16:19:44,209 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-02-14 16:19:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:44,210 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-02-14 16:19:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-02-14 16:19:44,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:44,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:44,210 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:44,210 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-02-14 16:19:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-02-14 16:19:44,211 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 27 [2019-02-14 16:19:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:44,211 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-02-14 16:19:44,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-02-14 16:19:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-02-14 16:19:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-02-14 16:19:44,211 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:44,212 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1] [2019-02-14 16:19:44,212 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:44,212 INFO L82 PathProgramCache]: Analyzing trace with hash -454857078, now seen corresponding path program 18 times [2019-02-14 16:19:44,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:44,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:44,213 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:44,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:44,213 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:44,982 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#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; {4416#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,983 INFO L273 TraceCheckUtils]: 1: Hoare triple {4416#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {4417#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,984 INFO L273 TraceCheckUtils]: 2: Hoare triple {4417#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {4418#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,985 INFO L273 TraceCheckUtils]: 3: Hoare triple {4418#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {4419#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:44,986 INFO L273 TraceCheckUtils]: 4: Hoare triple {4419#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {4420#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,987 INFO L273 TraceCheckUtils]: 5: Hoare triple {4420#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {4421#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:44,988 INFO L273 TraceCheckUtils]: 6: Hoare triple {4421#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {4422#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,989 INFO L273 TraceCheckUtils]: 7: Hoare triple {4422#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {4423#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:44,990 INFO L273 TraceCheckUtils]: 8: Hoare triple {4423#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {4424#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,991 INFO L273 TraceCheckUtils]: 9: Hoare triple {4424#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {4425#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,992 INFO L273 TraceCheckUtils]: 10: Hoare triple {4425#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {4426#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:44,993 INFO L273 TraceCheckUtils]: 11: Hoare triple {4426#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {4427#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11)))} is VALID [2019-02-14 16:19:44,995 INFO L273 TraceCheckUtils]: 12: Hoare triple {4427#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11)))} 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; {4428#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 12 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:44,996 INFO L273 TraceCheckUtils]: 13: Hoare triple {4428#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 12 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; {4429#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:44,997 INFO L273 TraceCheckUtils]: 14: Hoare triple {4429#(= (+ ULTIMATE.start_main_~j~6 12) 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; {4430#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:44,998 INFO L273 TraceCheckUtils]: 15: Hoare triple {4430#(= (+ ULTIMATE.start_main_~j~6 11) 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; {4431#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:44,999 INFO L273 TraceCheckUtils]: 16: Hoare triple {4431#(= (+ ULTIMATE.start_main_~j~6 10) 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; {4432#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,000 INFO L273 TraceCheckUtils]: 17: Hoare triple {4432#(= (+ ULTIMATE.start_main_~j~6 9) 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; {4433#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,001 INFO L273 TraceCheckUtils]: 18: Hoare triple {4433#(= (+ ULTIMATE.start_main_~j~6 8) 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; {4434#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,002 INFO L273 TraceCheckUtils]: 19: Hoare triple {4434#(= (+ ULTIMATE.start_main_~j~6 7) 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; {4435#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,003 INFO L273 TraceCheckUtils]: 20: Hoare triple {4435#(= (+ ULTIMATE.start_main_~j~6 6) 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; {4436#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,004 INFO L273 TraceCheckUtils]: 21: Hoare triple {4436#(= (+ ULTIMATE.start_main_~j~6 5) 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; {4437#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,005 INFO L273 TraceCheckUtils]: 22: Hoare triple {4437#(= (+ ULTIMATE.start_main_~j~6 4) 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; {4438#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,006 INFO L273 TraceCheckUtils]: 23: Hoare triple {4438#(= (+ ULTIMATE.start_main_~j~6 3) 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; {4439#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,007 INFO L273 TraceCheckUtils]: 24: Hoare triple {4439#(= (+ ULTIMATE.start_main_~j~6 2) 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; {4440#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:45,008 INFO L273 TraceCheckUtils]: 25: Hoare triple {4440#(= (+ 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; {4441#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:45,009 INFO L273 TraceCheckUtils]: 26: Hoare triple {4441#(= (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; {4415#false} is VALID [2019-02-14 16:19:45,010 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-02-14 16:19:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:45,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:45,012 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:45,012 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:45,012 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:45,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:45,012 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:45,023 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:19:45,023 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:19:45,039 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:19:45,040 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:19:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:45,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:45,717 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:45,718 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:45,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:45,726 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:19:45,728 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:45,728 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_120]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (<= 12 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_120 11 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:19:45,728 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:45,785 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#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; {4414#true} is VALID [2019-02-14 16:19:45,785 INFO L273 TraceCheckUtils]: 1: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,785 INFO L273 TraceCheckUtils]: 2: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,785 INFO L273 TraceCheckUtils]: 3: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 4: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 5: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 6: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 7: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 8: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,786 INFO L273 TraceCheckUtils]: 9: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,787 INFO L273 TraceCheckUtils]: 10: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,787 INFO L273 TraceCheckUtils]: 11: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,787 INFO L273 TraceCheckUtils]: 12: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:45,788 INFO L273 TraceCheckUtils]: 13: Hoare triple {4414#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; {4484#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:45,788 INFO L273 TraceCheckUtils]: 14: Hoare triple {4484#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {4488#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:19:45,789 INFO L273 TraceCheckUtils]: 15: Hoare triple {4488#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {4492#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:45,790 INFO L273 TraceCheckUtils]: 16: Hoare triple {4492#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {4496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:45,790 INFO L273 TraceCheckUtils]: 17: Hoare triple {4496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {4500#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:19:45,791 INFO L273 TraceCheckUtils]: 18: Hoare triple {4500#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {4504#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:45,791 INFO L273 TraceCheckUtils]: 19: Hoare triple {4504#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {4508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:45,792 INFO L273 TraceCheckUtils]: 20: Hoare triple {4508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {4512#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:19:45,793 INFO L273 TraceCheckUtils]: 21: Hoare triple {4512#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {4516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:19:45,794 INFO L273 TraceCheckUtils]: 22: Hoare triple {4516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {4520#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:19:45,795 INFO L273 TraceCheckUtils]: 23: Hoare triple {4520#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {4524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:19:45,796 INFO L273 TraceCheckUtils]: 24: Hoare triple {4524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {4528#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:19:45,797 INFO L273 TraceCheckUtils]: 25: Hoare triple {4528#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {4532#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:45,799 INFO L273 TraceCheckUtils]: 26: Hoare triple {4532#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6))} 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; {4415#false} is VALID [2019-02-14 16:19:45,799 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-02-14 16:19:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-02-14 16:19:45,801 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:45,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:45,925 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:45,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:45,937 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:19:45,940 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:45,940 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:19:45,940 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:19:46,570 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-02-14 16:19:46,571 INFO L273 TraceCheckUtils]: 26: Hoare triple {4542#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {4415#false} is VALID [2019-02-14 16:19:46,573 INFO L273 TraceCheckUtils]: 25: Hoare triple {4546#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {4542#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,574 INFO L273 TraceCheckUtils]: 24: Hoare triple {4550#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {4546#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:46,575 INFO L273 TraceCheckUtils]: 23: Hoare triple {4554#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {4550#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:19:46,576 INFO L273 TraceCheckUtils]: 22: Hoare triple {4558#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {4554#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,577 INFO L273 TraceCheckUtils]: 21: Hoare triple {4562#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {4558#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,579 INFO L273 TraceCheckUtils]: 20: Hoare triple {4566#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {4562#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:19:46,580 INFO L273 TraceCheckUtils]: 19: Hoare triple {4570#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {4566#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:46,581 INFO L273 TraceCheckUtils]: 18: Hoare triple {4574#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {4570#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,582 INFO L273 TraceCheckUtils]: 17: Hoare triple {4578#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {4574#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,583 INFO L273 TraceCheckUtils]: 16: Hoare triple {4582#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {4578#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:19:46,585 INFO L273 TraceCheckUtils]: 15: Hoare triple {4586#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {4582#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,586 INFO L273 TraceCheckUtils]: 14: Hoare triple {4590#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {4586#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:19:46,587 INFO L273 TraceCheckUtils]: 13: Hoare triple {4414#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; {4590#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:46,587 INFO L273 TraceCheckUtils]: 12: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,587 INFO L273 TraceCheckUtils]: 11: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,587 INFO L273 TraceCheckUtils]: 10: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,588 INFO L273 TraceCheckUtils]: 9: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,588 INFO L273 TraceCheckUtils]: 8: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,588 INFO L273 TraceCheckUtils]: 7: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,588 INFO L273 TraceCheckUtils]: 6: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,589 INFO L273 TraceCheckUtils]: 5: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,589 INFO L273 TraceCheckUtils]: 4: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,589 INFO L273 TraceCheckUtils]: 3: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,589 INFO L273 TraceCheckUtils]: 2: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,589 INFO L273 TraceCheckUtils]: 1: Hoare triple {4414#true} 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; {4414#true} is VALID [2019-02-14 16:19:46,590 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#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; {4414#true} is VALID [2019-02-14 16:19:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-02-14 16:19:46,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:46,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 54 [2019-02-14 16:19:46,609 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:46,609 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-02-14 16:19:46,610 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:46,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-02-14 16:19:47,033 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:47,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-02-14 16:19:47,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-02-14 16:19:47,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2444, Unknown=0, NotChecked=0, Total=2862 [2019-02-14 16:19:47,036 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 41 states. [2019-02-14 16:19:49,638 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-02-14 16:19:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:52,090 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-02-14 16:19:52,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-02-14 16:19:52,091 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-02-14 16:19:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-02-14 16:19:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-02-14 16:19:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-02-14 16:19:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-02-14 16:19:52,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2019-02-14 16:19:52,153 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:52,154 INFO L225 Difference]: With dead ends: 47 [2019-02-14 16:19:52,154 INFO L226 Difference]: Without dead ends: 31 [2019-02-14 16:19:52,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2019-02-14 16:19:52,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-02-14 16:19:52,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-02-14 16:19:52,476 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:52,477 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2019-02-14 16:19:52,477 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-02-14 16:19:52,477 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-02-14 16:19:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:52,478 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-02-14 16:19:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-02-14 16:19:52,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:52,478 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:52,479 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-02-14 16:19:52,479 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-02-14 16:19:52,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:52,479 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-02-14 16:19:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-02-14 16:19:52,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:52,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:52,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:52,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-02-14 16:19:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-02-14 16:19:52,480 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2019-02-14 16:19:52,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:52,481 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-02-14 16:19:52,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-02-14 16:19:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-02-14 16:19:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-02-14 16:19:52,481 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:52,481 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 1, 1, 1, 1] [2019-02-14 16:19:52,482 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash -319437323, now seen corresponding path program 19 times [2019-02-14 16:19:52,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:52,483 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:19:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:52,483 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:53,192 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#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; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,193 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,194 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,195 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:53,196 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,198 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:53,199 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,200 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:53,201 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,202 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,203 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:53,204 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:19:53,205 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {4893#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:19:53,206 INFO L273 TraceCheckUtils]: 13: Hoare triple {4893#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:53,207 INFO L273 TraceCheckUtils]: 14: Hoare triple {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 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; {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,208 INFO L273 TraceCheckUtils]: 15: Hoare triple {4895#(= (+ ULTIMATE.start_main_~j~6 13) 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; {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,209 INFO L273 TraceCheckUtils]: 16: Hoare triple {4896#(= (+ ULTIMATE.start_main_~j~6 12) 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; {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,210 INFO L273 TraceCheckUtils]: 17: Hoare triple {4897#(= (+ ULTIMATE.start_main_~j~6 11) 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; {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,211 INFO L273 TraceCheckUtils]: 18: Hoare triple {4898#(= (+ ULTIMATE.start_main_~j~6 10) 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; {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,212 INFO L273 TraceCheckUtils]: 19: Hoare triple {4899#(= (+ ULTIMATE.start_main_~j~6 9) 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; {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,213 INFO L273 TraceCheckUtils]: 20: Hoare triple {4900#(= (+ ULTIMATE.start_main_~j~6 8) 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; {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,214 INFO L273 TraceCheckUtils]: 21: Hoare triple {4901#(= (+ ULTIMATE.start_main_~j~6 7) 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; {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,215 INFO L273 TraceCheckUtils]: 22: Hoare triple {4902#(= (+ ULTIMATE.start_main_~j~6 6) 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; {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,216 INFO L273 TraceCheckUtils]: 23: Hoare triple {4903#(= (+ ULTIMATE.start_main_~j~6 5) 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; {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,217 INFO L273 TraceCheckUtils]: 24: Hoare triple {4904#(= (+ ULTIMATE.start_main_~j~6 4) 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; {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,218 INFO L273 TraceCheckUtils]: 25: Hoare triple {4905#(= (+ ULTIMATE.start_main_~j~6 3) 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; {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,219 INFO L273 TraceCheckUtils]: 26: Hoare triple {4906#(= (+ ULTIMATE.start_main_~j~6 2) 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; {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:53,220 INFO L273 TraceCheckUtils]: 27: Hoare triple {4907#(= (+ 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; {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:53,222 INFO L273 TraceCheckUtils]: 28: Hoare triple {4908#(= (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; {4880#false} is VALID [2019-02-14 16:19:53,222 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-02-14 16:19:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:53,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:53,224 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:19:53,224 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:19:53,224 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:19:53,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:19:53,224 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:19:53,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:53,234 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:19:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:19:53,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:19:54,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:19:54,518 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:54,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:54,524 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:19:54,527 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:54,527 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_133]. (and (<= 13 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_133 12 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 13)) [2019-02-14 16:19:54,527 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12))) [2019-02-14 16:19:54,580 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#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; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,580 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,581 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,582 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:54,583 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,584 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:54,585 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,586 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:54,587 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,588 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,589 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,590 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:19:54,592 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,593 INFO L273 TraceCheckUtils]: 13: Hoare triple {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {4952#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 13))} is VALID [2019-02-14 16:19:54,594 INFO L273 TraceCheckUtils]: 14: Hoare triple {4952#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 13))} 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; {4956#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 0))} is VALID [2019-02-14 16:19:54,594 INFO L273 TraceCheckUtils]: 15: Hoare triple {4956#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 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; {4960#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 1))} is VALID [2019-02-14 16:19:54,595 INFO L273 TraceCheckUtils]: 16: Hoare triple {4960#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 1))} 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; {4964#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:19:54,596 INFO L273 TraceCheckUtils]: 17: Hoare triple {4964#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 2))} 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; {4968#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:19:54,597 INFO L273 TraceCheckUtils]: 18: Hoare triple {4968#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 3))} 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; {4972#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 4))} is VALID [2019-02-14 16:19:54,598 INFO L273 TraceCheckUtils]: 19: Hoare triple {4972#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 4))} 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; {4976#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2019-02-14 16:19:54,599 INFO L273 TraceCheckUtils]: 20: Hoare triple {4976#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 13))} 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; {4980#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:19:54,600 INFO L273 TraceCheckUtils]: 21: Hoare triple {4980#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 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; {4984#(and (= ULTIMATE.start_main_~j~6 7) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2019-02-14 16:19:54,600 INFO L273 TraceCheckUtils]: 22: Hoare triple {4984#(and (= ULTIMATE.start_main_~j~6 7) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} 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; {4988#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:19:54,601 INFO L273 TraceCheckUtils]: 23: Hoare triple {4988#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 8))} 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; {4992#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2019-02-14 16:19:54,602 INFO L273 TraceCheckUtils]: 24: Hoare triple {4992#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 13))} 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; {4996#(and (= ULTIMATE.start_main_~j~6 10) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2019-02-14 16:19:54,603 INFO L273 TraceCheckUtils]: 25: Hoare triple {4996#(and (= ULTIMATE.start_main_~j~6 10) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} 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; {5000#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:19:54,604 INFO L273 TraceCheckUtils]: 26: Hoare triple {5000#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 11))} 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; {5004#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2019-02-14 16:19:54,605 INFO L273 TraceCheckUtils]: 27: Hoare triple {5004#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 13))} 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; {5008#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12)))} is VALID [2019-02-14 16:19:54,606 INFO L273 TraceCheckUtils]: 28: Hoare triple {5008#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12)))} 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; {4880#false} is VALID [2019-02-14 16:19:54,606 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-02-14 16:19:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:54,610 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:19:54,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:19:54,656 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:19:54,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:19:54,659 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:19:54,662 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:19:54,662 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:19:54,662 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:19:54,873 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-02-14 16:19:54,875 INFO L273 TraceCheckUtils]: 28: Hoare triple {4908#(= (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; {4880#false} is VALID [2019-02-14 16:19:54,876 INFO L273 TraceCheckUtils]: 27: Hoare triple {4907#(= (+ 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; {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:19:54,877 INFO L273 TraceCheckUtils]: 26: Hoare triple {4906#(= (+ ULTIMATE.start_main_~j~6 2) 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; {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,878 INFO L273 TraceCheckUtils]: 25: Hoare triple {4905#(= (+ ULTIMATE.start_main_~j~6 3) 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; {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,879 INFO L273 TraceCheckUtils]: 24: Hoare triple {4904#(= (+ ULTIMATE.start_main_~j~6 4) 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; {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,880 INFO L273 TraceCheckUtils]: 23: Hoare triple {4903#(= (+ ULTIMATE.start_main_~j~6 5) 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; {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,881 INFO L273 TraceCheckUtils]: 22: Hoare triple {4902#(= (+ ULTIMATE.start_main_~j~6 6) 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; {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,882 INFO L273 TraceCheckUtils]: 21: Hoare triple {4901#(= (+ ULTIMATE.start_main_~j~6 7) 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; {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,883 INFO L273 TraceCheckUtils]: 20: Hoare triple {4900#(= (+ ULTIMATE.start_main_~j~6 8) 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; {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,884 INFO L273 TraceCheckUtils]: 19: Hoare triple {4899#(= (+ ULTIMATE.start_main_~j~6 9) 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; {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,885 INFO L273 TraceCheckUtils]: 18: Hoare triple {4898#(= (+ ULTIMATE.start_main_~j~6 10) 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; {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,886 INFO L273 TraceCheckUtils]: 17: Hoare triple {4897#(= (+ ULTIMATE.start_main_~j~6 11) 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; {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,887 INFO L273 TraceCheckUtils]: 16: Hoare triple {4896#(= (+ ULTIMATE.start_main_~j~6 12) 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; {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,888 INFO L273 TraceCheckUtils]: 15: Hoare triple {4895#(= (+ ULTIMATE.start_main_~j~6 13) 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; {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,889 INFO L273 TraceCheckUtils]: 14: Hoare triple {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 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; {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:19:54,890 INFO L273 TraceCheckUtils]: 13: Hoare triple {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:19:54,891 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,892 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:19:54,893 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,894 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,895 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,896 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:19:54,897 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,898 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:19:54,899 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,900 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:19:54,901 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,902 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,903 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#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; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:19:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:19:54,925 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:19:54,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 45 [2019-02-14 16:19:54,926 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:19:54,926 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-02-14 16:19:54,926 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:19:54,926 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 46 states. [2019-02-14 16:19:54,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:54,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-02-14 16:19:54,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-02-14 16:19:54,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1937, Unknown=0, NotChecked=0, Total=2070 [2019-02-14 16:19:54,975 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 46 states. [2019-02-14 16:19:58,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:58,925 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-02-14 16:19:58,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-02-14 16:19:58,925 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-02-14 16:19:58,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:19:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-02-14 16:19:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-02-14 16:19:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-02-14 16:19:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-02-14 16:19:58,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 38 transitions. [2019-02-14 16:19:58,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:19:58,982 INFO L225 Difference]: With dead ends: 48 [2019-02-14 16:19:58,982 INFO L226 Difference]: Without dead ends: 32 [2019-02-14 16:19:58,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 35 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=282, Invalid=3500, Unknown=0, NotChecked=0, Total=3782 [2019-02-14 16:19:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-02-14 16:19:59,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-02-14 16:19:59,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:19:59,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2019-02-14 16:19:59,660 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-02-14 16:19:59,660 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-02-14 16:19:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:59,661 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-02-14 16:19:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-02-14 16:19:59,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:59,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:59,661 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-02-14 16:19:59,662 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-02-14 16:19:59,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:19:59,662 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-02-14 16:19:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-02-14 16:19:59,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:19:59,662 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:19:59,662 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:19:59,663 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:19:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-02-14 16:19:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-02-14 16:19:59,663 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 30 [2019-02-14 16:19:59,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:19:59,663 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-02-14 16:19:59,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-02-14 16:19:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-02-14 16:19:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-02-14 16:19:59,664 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:19:59,664 INFO L402 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1, 1] [2019-02-14 16:19:59,664 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:19:59,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:19:59,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1693839084, now seen corresponding path program 20 times [2019-02-14 16:19:59,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:19:59,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:59,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:19:59,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:19:59,665 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:19:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:00,094 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,096 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,096 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,097 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,098 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,099 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,100 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,101 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,102 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,103 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,104 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,105 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,105 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,106 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,107 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:00,108 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,109 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,110 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,111 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,112 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,112 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,113 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,114 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,115 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,116 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,117 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,118 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,119 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,119 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,120 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} 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; {5353#false} is VALID [2019-02-14 16:20:00,120 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-02-14 16:20:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:00,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:00,122 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:00,122 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:00,122 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:00,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:00,123 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:00,132 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:20:00,132 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:20:00,179 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-02-14 16:20:00,179 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:00,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:00,342 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,343 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,344 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,345 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,346 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,347 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,348 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,349 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,350 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,351 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,352 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,353 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,353 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,354 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,355 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:00,356 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,357 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,358 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,359 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,360 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,361 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,362 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,363 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,364 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,365 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,366 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,367 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,368 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,369 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,369 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} 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; {5353#false} is VALID [2019-02-14 16:20:00,369 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-02-14 16:20:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:00,371 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:00,750 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-02-14 16:20:00,751 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} 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; {5353#false} is VALID [2019-02-14 16:20:00,752 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,752 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,753 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,753 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,754 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,755 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,756 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,757 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,758 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,759 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,760 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,760 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,761 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,781 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,782 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~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; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:00,783 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~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; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,783 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~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; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,784 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~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; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,784 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~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; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,785 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~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; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,786 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~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; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,787 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~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; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,788 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~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; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,788 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~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; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,789 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~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; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,790 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~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; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,791 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~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; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,792 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~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; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,793 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#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; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:00,814 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:00,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2019-02-14 16:20:00,814 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:00,814 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-02-14 16:20:00,814 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:00,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-02-14 16:20:00,861 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:00,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-02-14 16:20:00,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-02-14 16:20:00,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-02-14 16:20:00,862 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2019-02-14 16:20:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:01,654 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-02-14 16:20:01,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-02-14 16:20:01,654 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-02-14 16:20:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-02-14 16:20:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-02-14 16:20:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-02-14 16:20:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-02-14 16:20:01,657 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 36 transitions. [2019-02-14 16:20:01,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:01,700 INFO L225 Difference]: With dead ends: 35 [2019-02-14 16:20:01,701 INFO L226 Difference]: Without dead ends: 33 [2019-02-14 16:20:01,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 47 SyntacticMatches, 28 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2019-02-14 16:20:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-02-14 16:20:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-02-14 16:20:02,167 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:02,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2019-02-14 16:20:02,167 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-02-14 16:20:02,168 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-02-14 16:20:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:02,169 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-02-14 16:20:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-02-14 16:20:02,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:02,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:02,169 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-02-14 16:20:02,169 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-02-14 16:20:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:02,170 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-02-14 16:20:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-02-14 16:20:02,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:02,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:02,171 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:02,171 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-02-14 16:20:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-02-14 16:20:02,171 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 31 [2019-02-14 16:20:02,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:02,172 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-02-14 16:20:02,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-02-14 16:20:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-02-14 16:20:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-02-14 16:20:02,172 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:02,172 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1] [2019-02-14 16:20:02,173 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash 969405866, now seen corresponding path program 21 times [2019-02-14 16:20:02,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:02,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:02,174 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:20:02,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:02,174 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:03,187 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#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; {5778#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,191 INFO L273 TraceCheckUtils]: 1: Hoare triple {5778#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {5779#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,193 INFO L273 TraceCheckUtils]: 2: Hoare triple {5779#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {5780#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,194 INFO L273 TraceCheckUtils]: 3: Hoare triple {5780#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {5781#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:03,195 INFO L273 TraceCheckUtils]: 4: Hoare triple {5781#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {5782#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,196 INFO L273 TraceCheckUtils]: 5: Hoare triple {5782#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {5783#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:03,197 INFO L273 TraceCheckUtils]: 6: Hoare triple {5783#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {5784#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,199 INFO L273 TraceCheckUtils]: 7: Hoare triple {5784#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {5785#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:03,201 INFO L273 TraceCheckUtils]: 8: Hoare triple {5785#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {5786#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,202 INFO L273 TraceCheckUtils]: 9: Hoare triple {5786#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {5787#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,203 INFO L273 TraceCheckUtils]: 10: Hoare triple {5787#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {5788#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,204 INFO L273 TraceCheckUtils]: 11: Hoare triple {5788#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {5789#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:03,205 INFO L273 TraceCheckUtils]: 12: Hoare triple {5789#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {5790#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:03,206 INFO L273 TraceCheckUtils]: 13: Hoare triple {5790#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {5791#(or (and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:20:03,207 INFO L273 TraceCheckUtils]: 14: Hoare triple {5791#(or (and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {5792#(or (= 14 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:03,209 INFO L273 TraceCheckUtils]: 15: Hoare triple {5792#(or (= 14 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {5793#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,211 INFO L273 TraceCheckUtils]: 16: Hoare triple {5793#(= (+ ULTIMATE.start_main_~j~6 14) 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; {5794#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,212 INFO L273 TraceCheckUtils]: 17: Hoare triple {5794#(= (+ ULTIMATE.start_main_~j~6 13) 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; {5795#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,212 INFO L273 TraceCheckUtils]: 18: Hoare triple {5795#(= (+ ULTIMATE.start_main_~j~6 12) 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; {5796#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,213 INFO L273 TraceCheckUtils]: 19: Hoare triple {5796#(= (+ ULTIMATE.start_main_~j~6 11) 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; {5797#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,214 INFO L273 TraceCheckUtils]: 20: Hoare triple {5797#(= (+ ULTIMATE.start_main_~j~6 10) 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; {5798#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,215 INFO L273 TraceCheckUtils]: 21: Hoare triple {5798#(= (+ ULTIMATE.start_main_~j~6 9) 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; {5799#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,216 INFO L273 TraceCheckUtils]: 22: Hoare triple {5799#(= (+ ULTIMATE.start_main_~j~6 8) 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; {5800#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,217 INFO L273 TraceCheckUtils]: 23: Hoare triple {5800#(= (+ ULTIMATE.start_main_~j~6 7) 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; {5801#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,218 INFO L273 TraceCheckUtils]: 24: Hoare triple {5801#(= (+ ULTIMATE.start_main_~j~6 6) 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; {5802#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,219 INFO L273 TraceCheckUtils]: 25: Hoare triple {5802#(= (+ ULTIMATE.start_main_~j~6 5) 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; {5803#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,220 INFO L273 TraceCheckUtils]: 26: Hoare triple {5803#(= (+ ULTIMATE.start_main_~j~6 4) 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; {5804#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,221 INFO L273 TraceCheckUtils]: 27: Hoare triple {5804#(= (+ ULTIMATE.start_main_~j~6 3) 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; {5805#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,222 INFO L273 TraceCheckUtils]: 28: Hoare triple {5805#(= (+ ULTIMATE.start_main_~j~6 2) 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; {5806#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:03,223 INFO L273 TraceCheckUtils]: 29: Hoare triple {5806#(= (+ 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; {5807#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:03,224 INFO L273 TraceCheckUtils]: 30: Hoare triple {5807#(= (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; {5777#false} is VALID [2019-02-14 16:20:03,224 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-02-14 16:20:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:03,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:03,227 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:03,227 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:03,228 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:03,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:03,228 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:03,236 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:20:03,236 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:20:03,253 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:20:03,254 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:03,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:04,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:20:04,568 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:04,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:04,598 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:20:04,611 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:04,612 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_160]. (and (<= 14 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_160 13 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15))) [2019-02-14 16:20:04,612 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15))) [2019-02-14 16:20:04,753 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#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; {5776#true} is VALID [2019-02-14 16:20:04,754 INFO L273 TraceCheckUtils]: 1: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,754 INFO L273 TraceCheckUtils]: 2: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,754 INFO L273 TraceCheckUtils]: 3: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,754 INFO L273 TraceCheckUtils]: 4: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,755 INFO L273 TraceCheckUtils]: 5: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,755 INFO L273 TraceCheckUtils]: 6: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,755 INFO L273 TraceCheckUtils]: 7: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,755 INFO L273 TraceCheckUtils]: 8: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,755 INFO L273 TraceCheckUtils]: 9: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,756 INFO L273 TraceCheckUtils]: 10: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,756 INFO L273 TraceCheckUtils]: 11: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,756 INFO L273 TraceCheckUtils]: 12: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,756 INFO L273 TraceCheckUtils]: 13: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,756 INFO L273 TraceCheckUtils]: 14: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:04,757 INFO L273 TraceCheckUtils]: 15: Hoare triple {5776#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; {5856#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:04,757 INFO L273 TraceCheckUtils]: 16: Hoare triple {5856#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {5860#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:20:04,758 INFO L273 TraceCheckUtils]: 17: Hoare triple {5860#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {5864#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:20:04,759 INFO L273 TraceCheckUtils]: 18: Hoare triple {5864#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {5868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:20:04,759 INFO L273 TraceCheckUtils]: 19: Hoare triple {5868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {5872#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:20:04,760 INFO L273 TraceCheckUtils]: 20: Hoare triple {5872#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {5876#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:04,761 INFO L273 TraceCheckUtils]: 21: Hoare triple {5876#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {5880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:20:04,762 INFO L273 TraceCheckUtils]: 22: Hoare triple {5880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {5884#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:20:04,763 INFO L273 TraceCheckUtils]: 23: Hoare triple {5884#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {5888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:20:04,764 INFO L273 TraceCheckUtils]: 24: Hoare triple {5888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {5892#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:20:04,765 INFO L273 TraceCheckUtils]: 25: Hoare triple {5892#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {5896#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:20:04,766 INFO L273 TraceCheckUtils]: 26: Hoare triple {5896#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {5900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:20:04,767 INFO L273 TraceCheckUtils]: 27: Hoare triple {5900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {5904#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:20:04,768 INFO L273 TraceCheckUtils]: 28: Hoare triple {5904#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {5908#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:20:04,770 INFO L273 TraceCheckUtils]: 29: Hoare triple {5908#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {5912#(and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:20:04,771 INFO L273 TraceCheckUtils]: 30: Hoare triple {5912#(and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {5777#false} is VALID [2019-02-14 16:20:04,771 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-02-14 16:20:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-02-14 16:20:04,773 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:04,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:20:04,893 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:04,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:04,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:20:04,910 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:04,911 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:20:04,911 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:20:05,968 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-02-14 16:20:05,970 INFO L273 TraceCheckUtils]: 30: Hoare triple {5922#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {5777#false} is VALID [2019-02-14 16:20:05,971 INFO L273 TraceCheckUtils]: 29: Hoare triple {5926#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {5922#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,972 INFO L273 TraceCheckUtils]: 28: Hoare triple {5930#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {5926#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:05,973 INFO L273 TraceCheckUtils]: 27: Hoare triple {5934#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {5930#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:20:05,975 INFO L273 TraceCheckUtils]: 26: Hoare triple {5938#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {5934#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,976 INFO L273 TraceCheckUtils]: 25: Hoare triple {5942#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {5938#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,977 INFO L273 TraceCheckUtils]: 24: Hoare triple {5946#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {5942#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:20:05,978 INFO L273 TraceCheckUtils]: 23: Hoare triple {5950#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {5946#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:05,979 INFO L273 TraceCheckUtils]: 22: Hoare triple {5954#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {5950#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,980 INFO L273 TraceCheckUtils]: 21: Hoare triple {5958#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {5954#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,982 INFO L273 TraceCheckUtils]: 20: Hoare triple {5962#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {5958#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:20:05,983 INFO L273 TraceCheckUtils]: 19: Hoare triple {5966#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {5962#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,984 INFO L273 TraceCheckUtils]: 18: Hoare triple {5970#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {5966#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:20:05,985 INFO L273 TraceCheckUtils]: 17: Hoare triple {5974#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {5970#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,986 INFO L273 TraceCheckUtils]: 16: Hoare triple {5978#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {5974#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:20:05,987 INFO L273 TraceCheckUtils]: 15: Hoare triple {5776#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; {5978#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:05,988 INFO L273 TraceCheckUtils]: 14: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,988 INFO L273 TraceCheckUtils]: 13: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,988 INFO L273 TraceCheckUtils]: 12: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,988 INFO L273 TraceCheckUtils]: 11: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,988 INFO L273 TraceCheckUtils]: 10: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 9: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 8: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 7: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 6: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 5: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,989 INFO L273 TraceCheckUtils]: 4: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,990 INFO L273 TraceCheckUtils]: 3: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,990 INFO L273 TraceCheckUtils]: 2: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,990 INFO L273 TraceCheckUtils]: 1: Hoare triple {5776#true} 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; {5776#true} is VALID [2019-02-14 16:20:05,990 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#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; {5776#true} is VALID [2019-02-14 16:20:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-02-14 16:20:06,010 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:06,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 17, 17] total 62 [2019-02-14 16:20:06,010 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:06,011 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-02-14 16:20:06,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:06,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states. [2019-02-14 16:20:06,060 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:06,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-02-14 16:20:06,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-02-14 16:20:06,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=3240, Unknown=0, NotChecked=0, Total=3782 [2019-02-14 16:20:06,063 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 47 states. [2019-02-14 16:20:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:11,995 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-02-14 16:20:11,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-02-14 16:20:11,996 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-02-14 16:20:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-02-14 16:20:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-02-14 16:20:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-02-14 16:20:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-02-14 16:20:11,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 57 transitions. [2019-02-14 16:20:12,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:12,169 INFO L225 Difference]: With dead ends: 53 [2019-02-14 16:20:12,169 INFO L226 Difference]: Without dead ends: 35 [2019-02-14 16:20:12,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=925, Invalid=5555, Unknown=0, NotChecked=0, Total=6480 [2019-02-14 16:20:12,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-02-14 16:20:12,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-02-14 16:20:12,583 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:12,583 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2019-02-14 16:20:12,583 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-02-14 16:20:12,583 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-02-14 16:20:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:12,584 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-02-14 16:20:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-02-14 16:20:12,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:12,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:12,585 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-02-14 16:20:12,585 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-02-14 16:20:12,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:12,585 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-02-14 16:20:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-02-14 16:20:12,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:12,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:12,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:12,586 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-02-14 16:20:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-02-14 16:20:12,587 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2019-02-14 16:20:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:12,587 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-02-14 16:20:12,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-02-14 16:20:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-02-14 16:20:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-02-14 16:20:12,587 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:12,587 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1] [2019-02-14 16:20:12,588 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:12,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1714035115, now seen corresponding path program 22 times [2019-02-14 16:20:12,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:12,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:12,589 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:20:12,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:12,589 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:13,544 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#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; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,545 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,546 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,546 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:13,547 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,547 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:13,548 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,549 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:13,550 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,551 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,552 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,553 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:13,554 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,555 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:13,556 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {6321#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:20:13,557 INFO L273 TraceCheckUtils]: 15: Hoare triple {6321#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:13,559 INFO L273 TraceCheckUtils]: 16: Hoare triple {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 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; {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,560 INFO L273 TraceCheckUtils]: 17: Hoare triple {6323#(= (+ ULTIMATE.start_main_~j~6 15) 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; {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,561 INFO L273 TraceCheckUtils]: 18: Hoare triple {6324#(= (+ ULTIMATE.start_main_~j~6 14) 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; {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,562 INFO L273 TraceCheckUtils]: 19: Hoare triple {6325#(= (+ ULTIMATE.start_main_~j~6 13) 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; {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,563 INFO L273 TraceCheckUtils]: 20: Hoare triple {6326#(= (+ ULTIMATE.start_main_~j~6 12) 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; {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,564 INFO L273 TraceCheckUtils]: 21: Hoare triple {6327#(= (+ ULTIMATE.start_main_~j~6 11) 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; {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,565 INFO L273 TraceCheckUtils]: 22: Hoare triple {6328#(= (+ ULTIMATE.start_main_~j~6 10) 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; {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,566 INFO L273 TraceCheckUtils]: 23: Hoare triple {6329#(= (+ ULTIMATE.start_main_~j~6 9) 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; {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,567 INFO L273 TraceCheckUtils]: 24: Hoare triple {6330#(= (+ ULTIMATE.start_main_~j~6 8) 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; {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,568 INFO L273 TraceCheckUtils]: 25: Hoare triple {6331#(= (+ ULTIMATE.start_main_~j~6 7) 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; {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,569 INFO L273 TraceCheckUtils]: 26: Hoare triple {6332#(= (+ ULTIMATE.start_main_~j~6 6) 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; {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,570 INFO L273 TraceCheckUtils]: 27: Hoare triple {6333#(= (+ ULTIMATE.start_main_~j~6 5) 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; {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,571 INFO L273 TraceCheckUtils]: 28: Hoare triple {6334#(= (+ ULTIMATE.start_main_~j~6 4) 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; {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,572 INFO L273 TraceCheckUtils]: 29: Hoare triple {6335#(= (+ ULTIMATE.start_main_~j~6 3) 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; {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,573 INFO L273 TraceCheckUtils]: 30: Hoare triple {6336#(= (+ ULTIMATE.start_main_~j~6 2) 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; {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:13,574 INFO L273 TraceCheckUtils]: 31: Hoare triple {6337#(= (+ 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; {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:13,575 INFO L273 TraceCheckUtils]: 32: Hoare triple {6338#(= (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; {6306#false} is VALID [2019-02-14 16:20:13,575 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-02-14 16:20:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:13,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:13,579 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:13,579 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:13,579 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:13,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:13,579 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:13,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:20:13,589 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:20:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:13,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:14,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:20:14,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:14,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:14,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:20:14,771 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:14,771 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_175]. (and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (store v_ULTIMATE.start_main_~str2~6_175 14 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:20:14,771 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14))) [2019-02-14 16:20:14,833 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#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; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,834 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,835 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,836 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:14,837 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,838 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:14,839 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,840 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:14,841 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,842 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,843 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,844 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:14,845 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,846 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,847 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:14,848 INFO L273 TraceCheckUtils]: 15: Hoare triple {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {6388#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:20:14,849 INFO L273 TraceCheckUtils]: 16: Hoare triple {6388#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {6392#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 0))} is VALID [2019-02-14 16:20:14,850 INFO L273 TraceCheckUtils]: 17: Hoare triple {6392#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 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; {6396#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 1))} is VALID [2019-02-14 16:20:14,850 INFO L273 TraceCheckUtils]: 18: Hoare triple {6396#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 1))} 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; {6400#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:20:14,851 INFO L273 TraceCheckUtils]: 19: Hoare triple {6400#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 2))} 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; {6404#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:20:14,852 INFO L273 TraceCheckUtils]: 20: Hoare triple {6404#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 3))} 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; {6408#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 4))} is VALID [2019-02-14 16:20:14,853 INFO L273 TraceCheckUtils]: 21: Hoare triple {6408#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 4))} 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; {6412#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2019-02-14 16:20:14,854 INFO L273 TraceCheckUtils]: 22: Hoare triple {6412#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 15))} 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; {6416#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:20:14,855 INFO L273 TraceCheckUtils]: 23: Hoare triple {6416#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 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; {6420#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2019-02-14 16:20:14,856 INFO L273 TraceCheckUtils]: 24: Hoare triple {6420#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 15))} 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; {6424#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:20:14,856 INFO L273 TraceCheckUtils]: 25: Hoare triple {6424#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 8))} 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; {6428#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2019-02-14 16:20:14,857 INFO L273 TraceCheckUtils]: 26: Hoare triple {6428#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 15))} 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; {6432#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2019-02-14 16:20:14,858 INFO L273 TraceCheckUtils]: 27: Hoare triple {6432#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 15))} 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; {6436#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:20:14,859 INFO L273 TraceCheckUtils]: 28: Hoare triple {6436#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 11))} 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; {6440#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2019-02-14 16:20:14,860 INFO L273 TraceCheckUtils]: 29: Hoare triple {6440#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 15))} 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; {6444#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 13))} is VALID [2019-02-14 16:20:14,861 INFO L273 TraceCheckUtils]: 30: Hoare triple {6444#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 13))} 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; {6448#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 14))} is VALID [2019-02-14 16:20:14,862 INFO L273 TraceCheckUtils]: 31: Hoare triple {6448#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 14))} 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; {6452#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14)))} is VALID [2019-02-14 16:20:14,863 INFO L273 TraceCheckUtils]: 32: Hoare triple {6452#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14)))} 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; {6306#false} is VALID [2019-02-14 16:20:14,863 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-02-14 16:20:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:14,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:14,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:20:14,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:14,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:14,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:20:14,905 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:14,905 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:20:14,906 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:20:15,174 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-02-14 16:20:15,176 INFO L273 TraceCheckUtils]: 32: Hoare triple {6338#(= (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; {6306#false} is VALID [2019-02-14 16:20:15,177 INFO L273 TraceCheckUtils]: 31: Hoare triple {6337#(= (+ 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; {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:15,178 INFO L273 TraceCheckUtils]: 30: Hoare triple {6336#(= (+ ULTIMATE.start_main_~j~6 2) 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; {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,179 INFO L273 TraceCheckUtils]: 29: Hoare triple {6335#(= (+ ULTIMATE.start_main_~j~6 3) 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; {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,180 INFO L273 TraceCheckUtils]: 28: Hoare triple {6334#(= (+ ULTIMATE.start_main_~j~6 4) 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; {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,181 INFO L273 TraceCheckUtils]: 27: Hoare triple {6333#(= (+ ULTIMATE.start_main_~j~6 5) 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; {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,182 INFO L273 TraceCheckUtils]: 26: Hoare triple {6332#(= (+ ULTIMATE.start_main_~j~6 6) 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; {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,183 INFO L273 TraceCheckUtils]: 25: Hoare triple {6331#(= (+ ULTIMATE.start_main_~j~6 7) 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; {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,184 INFO L273 TraceCheckUtils]: 24: Hoare triple {6330#(= (+ ULTIMATE.start_main_~j~6 8) 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; {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,185 INFO L273 TraceCheckUtils]: 23: Hoare triple {6329#(= (+ ULTIMATE.start_main_~j~6 9) 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; {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,186 INFO L273 TraceCheckUtils]: 22: Hoare triple {6328#(= (+ ULTIMATE.start_main_~j~6 10) 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; {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,187 INFO L273 TraceCheckUtils]: 21: Hoare triple {6327#(= (+ ULTIMATE.start_main_~j~6 11) 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; {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,188 INFO L273 TraceCheckUtils]: 20: Hoare triple {6326#(= (+ ULTIMATE.start_main_~j~6 12) 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; {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,189 INFO L273 TraceCheckUtils]: 19: Hoare triple {6325#(= (+ ULTIMATE.start_main_~j~6 13) 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; {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,190 INFO L273 TraceCheckUtils]: 18: Hoare triple {6324#(= (+ ULTIMATE.start_main_~j~6 14) 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; {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,191 INFO L273 TraceCheckUtils]: 17: Hoare triple {6323#(= (+ ULTIMATE.start_main_~j~6 15) 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; {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,192 INFO L273 TraceCheckUtils]: 16: Hoare triple {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 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; {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:15,193 INFO L273 TraceCheckUtils]: 15: Hoare triple {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:15,194 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,195 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,196 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,197 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:15,198 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,199 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,200 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,201 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:15,202 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,203 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:15,204 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,205 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:15,206 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,207 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,208 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#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; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:15,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:15,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 51 [2019-02-14 16:20:15,230 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:15,230 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-02-14 16:20:15,230 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:15,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states. [2019-02-14 16:20:15,285 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:15,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-02-14 16:20:15,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-02-14 16:20:15,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2501, Unknown=0, NotChecked=0, Total=2652 [2019-02-14 16:20:15,287 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 52 states. [2019-02-14 16:20:21,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:21,041 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2019-02-14 16:20:21,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-02-14 16:20:21,042 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-02-14 16:20:21,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-02-14 16:20:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-02-14 16:20:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-02-14 16:20:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-02-14 16:20:21,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 42 transitions. [2019-02-14 16:20:21,095 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:21,096 INFO L225 Difference]: With dead ends: 54 [2019-02-14 16:20:21,096 INFO L226 Difference]: Without dead ends: 36 [2019-02-14 16:20:21,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 39 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=320, Invalid=4510, Unknown=0, NotChecked=0, Total=4830 [2019-02-14 16:20:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-02-14 16:20:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-02-14 16:20:21,544 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:21,544 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2019-02-14 16:20:21,544 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-02-14 16:20:21,544 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-02-14 16:20:21,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:21,545 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-02-14 16:20:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-02-14 16:20:21,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:21,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:21,546 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-02-14 16:20:21,546 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-02-14 16:20:21,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:21,547 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-02-14 16:20:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-02-14 16:20:21,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:21,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:21,547 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:21,547 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:21,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-02-14 16:20:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2019-02-14 16:20:21,548 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 34 [2019-02-14 16:20:21,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:21,548 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2019-02-14 16:20:21,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-02-14 16:20:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-02-14 16:20:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-02-14 16:20:21,549 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:21,549 INFO L402 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1, 1] [2019-02-14 16:20:21,549 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:21,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1394260940, now seen corresponding path program 23 times [2019-02-14 16:20:21,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:21,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:21,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:20:21,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:21,550 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:22,199 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,200 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,201 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,202 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,203 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,204 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,205 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,205 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,206 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,207 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,208 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,209 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,210 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,211 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,212 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,213 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,214 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:22,215 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,216 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,217 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,218 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,218 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,219 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,220 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,221 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,222 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,223 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,224 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,225 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,226 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,227 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,228 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,229 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,229 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} 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; {6841#false} is VALID [2019-02-14 16:20:22,229 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-02-14 16:20:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:22,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:22,232 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:22,232 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:22,233 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:22,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:22,233 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:22,249 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:20:22,249 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:20:22,296 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-02-14 16:20:22,297 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:22,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:22,509 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,510 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,511 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,512 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,513 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,514 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,515 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,516 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,517 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,518 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,519 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,520 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,521 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,522 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,523 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,524 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,525 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:22,526 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,527 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,529 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,530 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,531 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,532 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,533 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,534 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,535 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,536 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,537 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,538 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,539 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,540 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,541 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,542 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,542 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} 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; {6841#false} is VALID [2019-02-14 16:20:22,542 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-02-14 16:20:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:22,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:22,949 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-02-14 16:20:22,950 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} 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; {6841#false} is VALID [2019-02-14 16:20:22,950 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,951 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,952 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,953 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,954 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,955 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,956 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,957 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,958 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,959 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,959 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,960 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,961 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,962 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,963 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,964 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,965 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~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; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:22,966 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~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; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,967 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~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; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,968 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~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; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,969 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~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; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,970 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~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; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,971 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~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; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,971 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~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; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,972 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~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; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,973 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~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; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,974 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~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; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,975 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~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; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,976 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~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; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,977 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~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; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,978 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~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; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,979 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~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; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,980 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#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; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:23,001 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:23,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 18 [2019-02-14 16:20:23,001 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:23,002 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-02-14 16:20:23,002 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:23,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2019-02-14 16:20:23,050 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:23,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-02-14 16:20:23,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-02-14 16:20:23,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-02-14 16:20:23,051 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2019-02-14 16:20:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:23,998 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-02-14 16:20:23,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-02-14 16:20:23,999 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-02-14 16:20:23,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-02-14 16:20:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-02-14 16:20:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-02-14 16:20:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-02-14 16:20:24,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 40 transitions. [2019-02-14 16:20:24,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:24,036 INFO L225 Difference]: With dead ends: 39 [2019-02-14 16:20:24,036 INFO L226 Difference]: Without dead ends: 37 [2019-02-14 16:20:24,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 32 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2019-02-14 16:20:24,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-02-14 16:20:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-02-14 16:20:24,534 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:24,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2019-02-14 16:20:24,534 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-02-14 16:20:24,534 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-02-14 16:20:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:24,535 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-02-14 16:20:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-02-14 16:20:24,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:24,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:24,536 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-02-14 16:20:24,536 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-02-14 16:20:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:24,536 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-02-14 16:20:24,536 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-02-14 16:20:24,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:24,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:24,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:24,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-02-14 16:20:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-02-14 16:20:24,537 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 35 [2019-02-14 16:20:24,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:24,537 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-02-14 16:20:24,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-02-14 16:20:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-02-14 16:20:24,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-02-14 16:20:24,538 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:24,538 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 1, 1, 1, 1] [2019-02-14 16:20:24,538 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:24,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:24,538 INFO L82 PathProgramCache]: Analyzing trace with hash 272417994, now seen corresponding path program 24 times [2019-02-14 16:20:24,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:24,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:24,539 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:20:24,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:24,539 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:25,786 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#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; {7320#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,787 INFO L273 TraceCheckUtils]: 1: Hoare triple {7320#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {7321#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,787 INFO L273 TraceCheckUtils]: 2: Hoare triple {7321#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {7322#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,788 INFO L273 TraceCheckUtils]: 3: Hoare triple {7322#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {7323#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:25,789 INFO L273 TraceCheckUtils]: 4: Hoare triple {7323#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {7324#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,790 INFO L273 TraceCheckUtils]: 5: Hoare triple {7324#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {7325#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:25,791 INFO L273 TraceCheckUtils]: 6: Hoare triple {7325#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {7326#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,792 INFO L273 TraceCheckUtils]: 7: Hoare triple {7326#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {7327#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:25,793 INFO L273 TraceCheckUtils]: 8: Hoare triple {7327#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {7328#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,794 INFO L273 TraceCheckUtils]: 9: Hoare triple {7328#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {7329#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,795 INFO L273 TraceCheckUtils]: 10: Hoare triple {7329#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {7330#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,796 INFO L273 TraceCheckUtils]: 11: Hoare triple {7330#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {7331#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:25,797 INFO L273 TraceCheckUtils]: 12: Hoare triple {7331#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {7332#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,798 INFO L273 TraceCheckUtils]: 13: Hoare triple {7332#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {7333#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,799 INFO L273 TraceCheckUtils]: 14: Hoare triple {7333#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {7334#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:25,800 INFO L273 TraceCheckUtils]: 15: Hoare triple {7334#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {7335#(or (and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:20:25,801 INFO L273 TraceCheckUtils]: 16: Hoare triple {7335#(or (and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {7336#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 16 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:25,802 INFO L273 TraceCheckUtils]: 17: Hoare triple {7336#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 16 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; {7337#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,803 INFO L273 TraceCheckUtils]: 18: Hoare triple {7337#(= (+ ULTIMATE.start_main_~j~6 16) 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; {7338#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,804 INFO L273 TraceCheckUtils]: 19: Hoare triple {7338#(= (+ ULTIMATE.start_main_~j~6 15) 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; {7339#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,805 INFO L273 TraceCheckUtils]: 20: Hoare triple {7339#(= (+ ULTIMATE.start_main_~j~6 14) 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; {7340#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,806 INFO L273 TraceCheckUtils]: 21: Hoare triple {7340#(= (+ ULTIMATE.start_main_~j~6 13) 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; {7341#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,807 INFO L273 TraceCheckUtils]: 22: Hoare triple {7341#(= (+ ULTIMATE.start_main_~j~6 12) 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; {7342#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,808 INFO L273 TraceCheckUtils]: 23: Hoare triple {7342#(= (+ ULTIMATE.start_main_~j~6 11) 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; {7343#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,809 INFO L273 TraceCheckUtils]: 24: Hoare triple {7343#(= (+ ULTIMATE.start_main_~j~6 10) 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; {7344#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,810 INFO L273 TraceCheckUtils]: 25: Hoare triple {7344#(= (+ ULTIMATE.start_main_~j~6 9) 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; {7345#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,811 INFO L273 TraceCheckUtils]: 26: Hoare triple {7345#(= (+ ULTIMATE.start_main_~j~6 8) 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; {7346#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,812 INFO L273 TraceCheckUtils]: 27: Hoare triple {7346#(= (+ ULTIMATE.start_main_~j~6 7) 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; {7347#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,813 INFO L273 TraceCheckUtils]: 28: Hoare triple {7347#(= (+ ULTIMATE.start_main_~j~6 6) 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; {7348#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,814 INFO L273 TraceCheckUtils]: 29: Hoare triple {7348#(= (+ ULTIMATE.start_main_~j~6 5) 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; {7349#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,815 INFO L273 TraceCheckUtils]: 30: Hoare triple {7349#(= (+ ULTIMATE.start_main_~j~6 4) 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; {7350#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,816 INFO L273 TraceCheckUtils]: 31: Hoare triple {7350#(= (+ ULTIMATE.start_main_~j~6 3) 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; {7351#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,817 INFO L273 TraceCheckUtils]: 32: Hoare triple {7351#(= (+ ULTIMATE.start_main_~j~6 2) 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; {7352#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:25,819 INFO L273 TraceCheckUtils]: 33: Hoare triple {7352#(= (+ 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; {7353#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:25,820 INFO L273 TraceCheckUtils]: 34: Hoare triple {7353#(= (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; {7319#false} is VALID [2019-02-14 16:20:25,820 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-02-14 16:20:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:25,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:25,823 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:25,823 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:25,823 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:25,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:25,823 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:25,835 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:20:25,835 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:20:25,857 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:20:25,858 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:25,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:26,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:20:26,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:26,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:26,690 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:20:26,692 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:26,693 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_206]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (<= 16 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_206 15 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:20:26,693 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:20:26,754 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#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; {7318#true} is VALID [2019-02-14 16:20:26,754 INFO L273 TraceCheckUtils]: 1: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,754 INFO L273 TraceCheckUtils]: 2: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,754 INFO L273 TraceCheckUtils]: 3: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,754 INFO L273 TraceCheckUtils]: 4: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 5: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 6: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 7: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 8: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 9: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 10: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 11: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 12: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,755 INFO L273 TraceCheckUtils]: 13: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,756 INFO L273 TraceCheckUtils]: 14: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,756 INFO L273 TraceCheckUtils]: 15: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,756 INFO L273 TraceCheckUtils]: 16: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:26,756 INFO L273 TraceCheckUtils]: 17: Hoare triple {7318#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; {7408#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:26,757 INFO L273 TraceCheckUtils]: 18: Hoare triple {7408#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {7412#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:20:26,757 INFO L273 TraceCheckUtils]: 19: Hoare triple {7412#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {7416#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:20:26,758 INFO L273 TraceCheckUtils]: 20: Hoare triple {7416#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {7420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:20:26,759 INFO L273 TraceCheckUtils]: 21: Hoare triple {7420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {7424#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:20:26,760 INFO L273 TraceCheckUtils]: 22: Hoare triple {7424#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {7428#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:26,761 INFO L273 TraceCheckUtils]: 23: Hoare triple {7428#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {7432#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:20:26,762 INFO L273 TraceCheckUtils]: 24: Hoare triple {7432#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {7436#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:20:26,763 INFO L273 TraceCheckUtils]: 25: Hoare triple {7436#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {7440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:20:26,765 INFO L273 TraceCheckUtils]: 26: Hoare triple {7440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {7444#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:20:26,766 INFO L273 TraceCheckUtils]: 27: Hoare triple {7444#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {7448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:20:26,767 INFO L273 TraceCheckUtils]: 28: Hoare triple {7448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {7452#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:20:26,768 INFO L273 TraceCheckUtils]: 29: Hoare triple {7452#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {7456#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:20:26,769 INFO L273 TraceCheckUtils]: 30: Hoare triple {7456#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {7460#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:20:26,770 INFO L273 TraceCheckUtils]: 31: Hoare triple {7460#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {7464#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:20:26,772 INFO L273 TraceCheckUtils]: 32: Hoare triple {7464#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {7468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:20:26,773 INFO L273 TraceCheckUtils]: 33: Hoare triple {7468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {7472#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:26,774 INFO L273 TraceCheckUtils]: 34: Hoare triple {7472#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6))} 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; {7319#false} is VALID [2019-02-14 16:20:26,775 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-02-14 16:20:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-02-14 16:20:26,779 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:26,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:20:26,897 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:26,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:26,909 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:20:26,911 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:26,911 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:20:26,911 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:20:27,928 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-02-14 16:20:27,929 INFO L273 TraceCheckUtils]: 34: Hoare triple {7482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {7319#false} is VALID [2019-02-14 16:20:27,930 INFO L273 TraceCheckUtils]: 33: Hoare triple {7486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {7482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,932 INFO L273 TraceCheckUtils]: 32: Hoare triple {7490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {7486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:27,933 INFO L273 TraceCheckUtils]: 31: Hoare triple {7494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {7490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:20:27,934 INFO L273 TraceCheckUtils]: 30: Hoare triple {7498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {7494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,935 INFO L273 TraceCheckUtils]: 29: Hoare triple {7502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {7498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,936 INFO L273 TraceCheckUtils]: 28: Hoare triple {7506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {7502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:20:27,937 INFO L273 TraceCheckUtils]: 27: Hoare triple {7510#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {7506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:27,938 INFO L273 TraceCheckUtils]: 26: Hoare triple {7514#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {7510#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,940 INFO L273 TraceCheckUtils]: 25: Hoare triple {7518#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {7514#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,941 INFO L273 TraceCheckUtils]: 24: Hoare triple {7522#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {7518#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:20:27,942 INFO L273 TraceCheckUtils]: 23: Hoare triple {7526#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {7522#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,943 INFO L273 TraceCheckUtils]: 22: Hoare triple {7530#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {7526#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:20:27,944 INFO L273 TraceCheckUtils]: 21: Hoare triple {7534#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {7530#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,945 INFO L273 TraceCheckUtils]: 20: Hoare triple {7538#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {7534#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:20:27,947 INFO L273 TraceCheckUtils]: 19: Hoare triple {7542#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {7538#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:27,948 INFO L273 TraceCheckUtils]: 18: Hoare triple {7546#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {7542#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:20:27,949 INFO L273 TraceCheckUtils]: 17: Hoare triple {7318#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; {7546#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:20:27,949 INFO L273 TraceCheckUtils]: 16: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,949 INFO L273 TraceCheckUtils]: 15: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,949 INFO L273 TraceCheckUtils]: 14: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,950 INFO L273 TraceCheckUtils]: 13: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,950 INFO L273 TraceCheckUtils]: 12: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,950 INFO L273 TraceCheckUtils]: 11: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,950 INFO L273 TraceCheckUtils]: 10: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,950 INFO L273 TraceCheckUtils]: 9: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,951 INFO L273 TraceCheckUtils]: 8: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,951 INFO L273 TraceCheckUtils]: 7: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,951 INFO L273 TraceCheckUtils]: 6: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,951 INFO L273 TraceCheckUtils]: 5: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,951 INFO L273 TraceCheckUtils]: 4: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,952 INFO L273 TraceCheckUtils]: 3: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,952 INFO L273 TraceCheckUtils]: 2: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,952 INFO L273 TraceCheckUtils]: 1: Hoare triple {7318#true} 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; {7318#true} is VALID [2019-02-14 16:20:27,952 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#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; {7318#true} is VALID [2019-02-14 16:20:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-02-14 16:20:27,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:27,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 19, 19] total 70 [2019-02-14 16:20:27,974 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:27,974 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-02-14 16:20:27,975 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:27,975 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states. [2019-02-14 16:20:28,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:28,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-02-14 16:20:28,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-02-14 16:20:28,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4148, Unknown=0, NotChecked=0, Total=4830 [2019-02-14 16:20:28,033 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 53 states. [2019-02-14 16:20:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:35,056 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2019-02-14 16:20:35,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-02-14 16:20:35,057 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-02-14 16:20:35,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-02-14 16:20:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-02-14 16:20:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-02-14 16:20:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-02-14 16:20:35,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 63 transitions. [2019-02-14 16:20:35,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:35,179 INFO L225 Difference]: With dead ends: 59 [2019-02-14 16:20:35,179 INFO L226 Difference]: Without dead ends: 39 [2019-02-14 16:20:35,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1147, Invalid=7043, Unknown=0, NotChecked=0, Total=8190 [2019-02-14 16:20:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-02-14 16:20:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-02-14 16:20:35,759 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:35,759 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2019-02-14 16:20:35,759 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-02-14 16:20:35,759 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-02-14 16:20:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:35,760 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-02-14 16:20:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-02-14 16:20:35,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:35,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:35,761 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-02-14 16:20:35,761 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-02-14 16:20:35,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:35,762 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-02-14 16:20:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-02-14 16:20:35,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:35,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:35,762 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:35,762 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-02-14 16:20:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-02-14 16:20:35,763 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2019-02-14 16:20:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:35,763 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-02-14 16:20:35,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-02-14 16:20:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-02-14 16:20:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-02-14 16:20:35,764 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:35,764 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 1, 1, 1, 1] [2019-02-14 16:20:35,764 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:35,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:35,764 INFO L82 PathProgramCache]: Analyzing trace with hash -392102219, now seen corresponding path program 25 times [2019-02-14 16:20:35,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:35,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:35,765 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:20:35,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:35,765 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:36,912 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#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; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,914 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,915 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,916 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:36,917 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,918 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:36,919 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,920 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:36,921 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,922 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,923 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,924 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:36,925 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,926 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,927 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:36,928 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:20:36,930 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {7929#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16)))} is VALID [2019-02-14 16:20:36,931 INFO L273 TraceCheckUtils]: 17: Hoare triple {7929#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16)))} 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; {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:36,932 INFO L273 TraceCheckUtils]: 18: Hoare triple {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,933 INFO L273 TraceCheckUtils]: 19: Hoare triple {7931#(= (+ ULTIMATE.start_main_~j~6 17) 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; {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,934 INFO L273 TraceCheckUtils]: 20: Hoare triple {7932#(= (+ ULTIMATE.start_main_~j~6 16) 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; {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,935 INFO L273 TraceCheckUtils]: 21: Hoare triple {7933#(= (+ ULTIMATE.start_main_~j~6 15) 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; {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,936 INFO L273 TraceCheckUtils]: 22: Hoare triple {7934#(= (+ ULTIMATE.start_main_~j~6 14) 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; {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,950 INFO L273 TraceCheckUtils]: 23: Hoare triple {7935#(= (+ ULTIMATE.start_main_~j~6 13) 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; {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,951 INFO L273 TraceCheckUtils]: 24: Hoare triple {7936#(= (+ ULTIMATE.start_main_~j~6 12) 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; {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,952 INFO L273 TraceCheckUtils]: 25: Hoare triple {7937#(= (+ ULTIMATE.start_main_~j~6 11) 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; {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,952 INFO L273 TraceCheckUtils]: 26: Hoare triple {7938#(= (+ ULTIMATE.start_main_~j~6 10) 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; {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,953 INFO L273 TraceCheckUtils]: 27: Hoare triple {7939#(= (+ ULTIMATE.start_main_~j~6 9) 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; {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,954 INFO L273 TraceCheckUtils]: 28: Hoare triple {7940#(= (+ ULTIMATE.start_main_~j~6 8) 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; {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,955 INFO L273 TraceCheckUtils]: 29: Hoare triple {7941#(= (+ ULTIMATE.start_main_~j~6 7) 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; {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,956 INFO L273 TraceCheckUtils]: 30: Hoare triple {7942#(= (+ ULTIMATE.start_main_~j~6 6) 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; {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,957 INFO L273 TraceCheckUtils]: 31: Hoare triple {7943#(= (+ ULTIMATE.start_main_~j~6 5) 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; {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,958 INFO L273 TraceCheckUtils]: 32: Hoare triple {7944#(= (+ ULTIMATE.start_main_~j~6 4) 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; {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,959 INFO L273 TraceCheckUtils]: 33: Hoare triple {7945#(= (+ ULTIMATE.start_main_~j~6 3) 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; {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,960 INFO L273 TraceCheckUtils]: 34: Hoare triple {7946#(= (+ ULTIMATE.start_main_~j~6 2) 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; {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:36,961 INFO L273 TraceCheckUtils]: 35: Hoare triple {7947#(= (+ 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; {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:36,962 INFO L273 TraceCheckUtils]: 36: Hoare triple {7948#(= (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; {7912#false} is VALID [2019-02-14 16:20:36,963 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-02-14 16:20:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:36,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:36,966 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:36,966 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:36,966 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:36,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:36,966 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:36,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:20:36,976 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:20:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:37,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:38,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:20:38,141 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:38,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:38,148 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:20:38,150 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:38,151 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_223]. (and (= (store v_ULTIMATE.start_main_~str2~6_223 16 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17)) [2019-02-14 16:20:38,151 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17)) [2019-02-14 16:20:38,209 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#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; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,210 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,210 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,211 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:38,212 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,213 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:38,214 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,215 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:38,216 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,217 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,218 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,219 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:38,220 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,221 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,222 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,223 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:20:38,224 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:20:38,225 INFO L273 TraceCheckUtils]: 17: Hoare triple {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {8004#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 17))} is VALID [2019-02-14 16:20:38,226 INFO L273 TraceCheckUtils]: 18: Hoare triple {8004#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 17))} 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; {8008#(and (= ULTIMATE.start_main_~j~6 0) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,227 INFO L273 TraceCheckUtils]: 19: Hoare triple {8008#(and (= ULTIMATE.start_main_~j~6 0) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8012#(and (= ULTIMATE.start_main_~j~6 1) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,228 INFO L273 TraceCheckUtils]: 20: Hoare triple {8012#(and (= ULTIMATE.start_main_~j~6 1) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8016#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:20:38,229 INFO L273 TraceCheckUtils]: 21: Hoare triple {8016#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 2))} 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; {8020#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,230 INFO L273 TraceCheckUtils]: 22: Hoare triple {8020#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8024#(and (= ULTIMATE.start_main_~j~6 4) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,231 INFO L273 TraceCheckUtils]: 23: Hoare triple {8024#(and (= ULTIMATE.start_main_~j~6 4) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8028#(and (= ULTIMATE.start_main_~j~6 5) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,231 INFO L273 TraceCheckUtils]: 24: Hoare triple {8028#(and (= ULTIMATE.start_main_~j~6 5) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8032#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:20:38,232 INFO L273 TraceCheckUtils]: 25: Hoare triple {8032#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 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; {8036#(and (= ULTIMATE.start_main_~j~6 7) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,233 INFO L273 TraceCheckUtils]: 26: Hoare triple {8036#(and (= ULTIMATE.start_main_~j~6 7) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8040#(and (= ULTIMATE.start_main_~j~6 8) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,234 INFO L273 TraceCheckUtils]: 27: Hoare triple {8040#(and (= ULTIMATE.start_main_~j~6 8) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8044#(and (= ULTIMATE.start_main_~j~6 9) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,235 INFO L273 TraceCheckUtils]: 28: Hoare triple {8044#(and (= ULTIMATE.start_main_~j~6 9) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8048#(and (= ULTIMATE.start_main_~j~6 10) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,236 INFO L273 TraceCheckUtils]: 29: Hoare triple {8048#(and (= ULTIMATE.start_main_~j~6 10) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8052#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,237 INFO L273 TraceCheckUtils]: 30: Hoare triple {8052#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8056#(and (= ULTIMATE.start_main_~j~6 12) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,237 INFO L273 TraceCheckUtils]: 31: Hoare triple {8056#(and (= ULTIMATE.start_main_~j~6 12) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8060#(and (= ULTIMATE.start_main_~j~6 13) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,238 INFO L273 TraceCheckUtils]: 32: Hoare triple {8060#(and (= ULTIMATE.start_main_~j~6 13) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8064#(and (= ULTIMATE.start_main_~j~6 14) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,239 INFO L273 TraceCheckUtils]: 33: Hoare triple {8064#(and (= ULTIMATE.start_main_~j~6 14) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8068#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:20:38,240 INFO L273 TraceCheckUtils]: 34: Hoare triple {8068#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 15))} 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; {8072#(and (= ULTIMATE.start_main_~j~6 16) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,241 INFO L273 TraceCheckUtils]: 35: Hoare triple {8072#(and (= ULTIMATE.start_main_~j~6 16) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {8076#(and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2019-02-14 16:20:38,242 INFO L273 TraceCheckUtils]: 36: Hoare triple {8076#(and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} 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; {7912#false} is VALID [2019-02-14 16:20:38,242 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-02-14 16:20:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:38,246 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:38,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:20:38,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:38,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:38,280 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:20:38,282 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:38,282 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:20:38,282 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:20:38,621 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-02-14 16:20:38,622 INFO L273 TraceCheckUtils]: 36: Hoare triple {7948#(= (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; {7912#false} is VALID [2019-02-14 16:20:38,623 INFO L273 TraceCheckUtils]: 35: Hoare triple {7947#(= (+ 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; {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:38,624 INFO L273 TraceCheckUtils]: 34: Hoare triple {7946#(= (+ ULTIMATE.start_main_~j~6 2) 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; {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,626 INFO L273 TraceCheckUtils]: 33: Hoare triple {7945#(= (+ ULTIMATE.start_main_~j~6 3) 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; {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,627 INFO L273 TraceCheckUtils]: 32: Hoare triple {7944#(= (+ ULTIMATE.start_main_~j~6 4) 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; {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,628 INFO L273 TraceCheckUtils]: 31: Hoare triple {7943#(= (+ ULTIMATE.start_main_~j~6 5) 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; {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,629 INFO L273 TraceCheckUtils]: 30: Hoare triple {7942#(= (+ ULTIMATE.start_main_~j~6 6) 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; {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,630 INFO L273 TraceCheckUtils]: 29: Hoare triple {7941#(= (+ ULTIMATE.start_main_~j~6 7) 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; {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,631 INFO L273 TraceCheckUtils]: 28: Hoare triple {7940#(= (+ ULTIMATE.start_main_~j~6 8) 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; {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,632 INFO L273 TraceCheckUtils]: 27: Hoare triple {7939#(= (+ ULTIMATE.start_main_~j~6 9) 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; {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,633 INFO L273 TraceCheckUtils]: 26: Hoare triple {7938#(= (+ ULTIMATE.start_main_~j~6 10) 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; {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,634 INFO L273 TraceCheckUtils]: 25: Hoare triple {7937#(= (+ ULTIMATE.start_main_~j~6 11) 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; {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,635 INFO L273 TraceCheckUtils]: 24: Hoare triple {7936#(= (+ ULTIMATE.start_main_~j~6 12) 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; {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,636 INFO L273 TraceCheckUtils]: 23: Hoare triple {7935#(= (+ ULTIMATE.start_main_~j~6 13) 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; {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,638 INFO L273 TraceCheckUtils]: 22: Hoare triple {7934#(= (+ ULTIMATE.start_main_~j~6 14) 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; {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,639 INFO L273 TraceCheckUtils]: 21: Hoare triple {7933#(= (+ ULTIMATE.start_main_~j~6 15) 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; {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,640 INFO L273 TraceCheckUtils]: 20: Hoare triple {7932#(= (+ ULTIMATE.start_main_~j~6 16) 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; {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,641 INFO L273 TraceCheckUtils]: 19: Hoare triple {7931#(= (+ ULTIMATE.start_main_~j~6 17) 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; {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,642 INFO L273 TraceCheckUtils]: 18: Hoare triple {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:38,643 INFO L273 TraceCheckUtils]: 17: Hoare triple {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:38,644 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:20:38,645 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:20:38,646 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,647 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,648 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,649 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:38,650 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,651 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,653 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,654 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:38,655 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,656 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:38,657 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,658 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:38,659 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,660 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,661 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#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; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:38,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:38,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 57 [2019-02-14 16:20:38,683 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:38,683 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-02-14 16:20:38,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:38,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states. [2019-02-14 16:20:38,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:38,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2019-02-14 16:20:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2019-02-14 16:20:38,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3137, Unknown=0, NotChecked=0, Total=3306 [2019-02-14 16:20:38,742 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 58 states. [2019-02-14 16:20:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:45,495 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-02-14 16:20:45,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-02-14 16:20:45,496 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-02-14 16:20:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-02-14 16:20:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-02-14 16:20:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-02-14 16:20:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-02-14 16:20:45,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 46 transitions. [2019-02-14 16:20:45,550 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:45,551 INFO L225 Difference]: With dead ends: 60 [2019-02-14 16:20:45,551 INFO L226 Difference]: Without dead ends: 40 [2019-02-14 16:20:45,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 43 SyntacticMatches, 12 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=358, Invalid=5648, Unknown=0, NotChecked=0, Total=6006 [2019-02-14 16:20:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-02-14 16:20:46,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-02-14 16:20:46,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:46,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2019-02-14 16:20:46,104 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-02-14 16:20:46,104 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-02-14 16:20:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:46,105 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-02-14 16:20:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-02-14 16:20:46,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:46,106 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:46,106 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-02-14 16:20:46,106 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-02-14 16:20:46,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:46,106 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-02-14 16:20:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-02-14 16:20:46,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:46,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:46,107 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:46,107 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-02-14 16:20:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-02-14 16:20:46,107 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 38 [2019-02-14 16:20:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:46,108 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-02-14 16:20:46,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 58 states. [2019-02-14 16:20:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-02-14 16:20:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-02-14 16:20:46,108 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:46,108 INFO L402 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1, 1] [2019-02-14 16:20:46,109 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:46,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:46,109 INFO L82 PathProgramCache]: Analyzing trace with hash 536887468, now seen corresponding path program 26 times [2019-02-14 16:20:46,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:46,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:46,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:20:46,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:46,110 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:46,449 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,450 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,451 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,452 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,453 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,454 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,455 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,456 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,457 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,458 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,459 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,459 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,460 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,461 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,462 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,463 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,464 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,465 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,466 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:46,467 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,468 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,469 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,470 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,471 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,472 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,473 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,473 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,474 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,475 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,476 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,477 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,478 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,479 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,480 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,481 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,482 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,483 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,483 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} 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; {8509#false} is VALID [2019-02-14 16:20:46,483 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-02-14 16:20:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:46,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:46,486 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:46,486 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:46,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:46,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:46,487 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:46,495 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:20:46,496 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:20:46,556 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-02-14 16:20:46,556 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:46,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:46,767 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,768 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,769 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,770 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,771 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,772 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,773 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,774 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,775 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,776 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,777 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,778 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,779 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,780 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,781 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,781 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,782 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,783 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,784 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:46,785 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,786 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,787 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,788 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,789 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,790 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,791 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,792 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,792 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,793 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,794 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,795 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,796 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,797 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,798 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,799 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,800 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,800 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:46,801 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} 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; {8509#false} is VALID [2019-02-14 16:20:46,801 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-02-14 16:20:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:46,804 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:47,291 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-02-14 16:20:47,292 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} 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; {8509#false} is VALID [2019-02-14 16:20:47,293 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,293 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,294 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,294 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,295 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,296 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,297 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,298 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,299 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,300 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,301 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,302 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,303 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,304 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,304 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,305 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,306 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,307 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,308 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~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; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:47,309 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~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; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,310 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~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; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,311 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~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; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,312 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~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; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,313 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~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; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,314 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~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; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,315 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~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; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,316 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~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; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,317 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~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; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,318 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~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; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,319 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~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; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,320 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~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; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,321 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~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; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,321 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~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; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,322 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~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; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,323 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~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; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,324 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~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; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,325 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#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; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:20:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:47,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:47,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 20 [2019-02-14 16:20:47,347 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:47,348 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-02-14 16:20:47,348 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:47,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2019-02-14 16:20:47,393 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:47,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-02-14 16:20:47,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-02-14 16:20:47,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2019-02-14 16:20:47,394 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 21 states. [2019-02-14 16:20:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:48,660 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-02-14 16:20:48,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-02-14 16:20:48,660 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-02-14 16:20:48,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:20:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-02-14 16:20:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-02-14 16:20:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-02-14 16:20:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-02-14 16:20:48,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 44 transitions. [2019-02-14 16:20:48,702 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:48,703 INFO L225 Difference]: With dead ends: 43 [2019-02-14 16:20:48,703 INFO L226 Difference]: Without dead ends: 41 [2019-02-14 16:20:48,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 59 SyntacticMatches, 36 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2019-02-14 16:20:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-02-14 16:20:49,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-02-14 16:20:49,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:20:49,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2019-02-14 16:20:49,281 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-02-14 16:20:49,281 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-02-14 16:20:49,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:49,282 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-02-14 16:20:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-02-14 16:20:49,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:49,283 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:49,283 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-02-14 16:20:49,283 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-02-14 16:20:49,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:20:49,284 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-02-14 16:20:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-02-14 16:20:49,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:20:49,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:20:49,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:20:49,285 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:20:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-02-14 16:20:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-02-14 16:20:49,285 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 39 [2019-02-14 16:20:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:20:49,286 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-02-14 16:20:49,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-02-14 16:20:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-02-14 16:20:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-02-14 16:20:49,286 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:20:49,287 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 1, 1, 1, 1] [2019-02-14 16:20:49,287 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:20:49,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:20:49,287 INFO L82 PathProgramCache]: Analyzing trace with hash -536355862, now seen corresponding path program 27 times [2019-02-14 16:20:49,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:20:49,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:49,288 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:20:49,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:20:49,288 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:20:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:51,284 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#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; {9042#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,285 INFO L273 TraceCheckUtils]: 1: Hoare triple {9042#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {9043#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,286 INFO L273 TraceCheckUtils]: 2: Hoare triple {9043#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {9044#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,287 INFO L273 TraceCheckUtils]: 3: Hoare triple {9044#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {9045#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:20:51,287 INFO L273 TraceCheckUtils]: 4: Hoare triple {9045#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {9046#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,288 INFO L273 TraceCheckUtils]: 5: Hoare triple {9046#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {9047#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:20:51,289 INFO L273 TraceCheckUtils]: 6: Hoare triple {9047#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {9048#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,290 INFO L273 TraceCheckUtils]: 7: Hoare triple {9048#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {9049#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:20:51,291 INFO L273 TraceCheckUtils]: 8: Hoare triple {9049#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {9050#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,292 INFO L273 TraceCheckUtils]: 9: Hoare triple {9050#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {9051#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,293 INFO L273 TraceCheckUtils]: 10: Hoare triple {9051#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {9052#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,294 INFO L273 TraceCheckUtils]: 11: Hoare triple {9052#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {9053#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:20:51,295 INFO L273 TraceCheckUtils]: 12: Hoare triple {9053#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {9054#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,296 INFO L273 TraceCheckUtils]: 13: Hoare triple {9054#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {9055#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,297 INFO L273 TraceCheckUtils]: 14: Hoare triple {9055#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {9056#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:51,298 INFO L273 TraceCheckUtils]: 15: Hoare triple {9056#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {9057#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:20:51,299 INFO L273 TraceCheckUtils]: 16: Hoare triple {9057#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {9058#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:20:51,300 INFO L273 TraceCheckUtils]: 17: Hoare triple {9058#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {9059#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:20:51,301 INFO L273 TraceCheckUtils]: 18: Hoare triple {9059#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {9060#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 18 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:51,302 INFO L273 TraceCheckUtils]: 19: Hoare triple {9060#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 18 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; {9061#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,303 INFO L273 TraceCheckUtils]: 20: Hoare triple {9061#(= (+ ULTIMATE.start_main_~j~6 18) 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; {9062#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,304 INFO L273 TraceCheckUtils]: 21: Hoare triple {9062#(= (+ ULTIMATE.start_main_~j~6 17) 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; {9063#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,305 INFO L273 TraceCheckUtils]: 22: Hoare triple {9063#(= (+ ULTIMATE.start_main_~j~6 16) 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; {9064#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,306 INFO L273 TraceCheckUtils]: 23: Hoare triple {9064#(= (+ ULTIMATE.start_main_~j~6 15) 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; {9065#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,307 INFO L273 TraceCheckUtils]: 24: Hoare triple {9065#(= (+ ULTIMATE.start_main_~j~6 14) 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; {9066#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,308 INFO L273 TraceCheckUtils]: 25: Hoare triple {9066#(= (+ ULTIMATE.start_main_~j~6 13) 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; {9067#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,309 INFO L273 TraceCheckUtils]: 26: Hoare triple {9067#(= (+ ULTIMATE.start_main_~j~6 12) 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; {9068#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,310 INFO L273 TraceCheckUtils]: 27: Hoare triple {9068#(= (+ ULTIMATE.start_main_~j~6 11) 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; {9069#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,311 INFO L273 TraceCheckUtils]: 28: Hoare triple {9069#(= (+ ULTIMATE.start_main_~j~6 10) 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; {9070#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,312 INFO L273 TraceCheckUtils]: 29: Hoare triple {9070#(= (+ ULTIMATE.start_main_~j~6 9) 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; {9071#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,313 INFO L273 TraceCheckUtils]: 30: Hoare triple {9071#(= (+ ULTIMATE.start_main_~j~6 8) 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; {9072#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,313 INFO L273 TraceCheckUtils]: 31: Hoare triple {9072#(= (+ ULTIMATE.start_main_~j~6 7) 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; {9073#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,314 INFO L273 TraceCheckUtils]: 32: Hoare triple {9073#(= (+ ULTIMATE.start_main_~j~6 6) 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; {9074#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,315 INFO L273 TraceCheckUtils]: 33: Hoare triple {9074#(= (+ ULTIMATE.start_main_~j~6 5) 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; {9075#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,316 INFO L273 TraceCheckUtils]: 34: Hoare triple {9075#(= (+ ULTIMATE.start_main_~j~6 4) 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; {9076#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,317 INFO L273 TraceCheckUtils]: 35: Hoare triple {9076#(= (+ ULTIMATE.start_main_~j~6 3) 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; {9077#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,318 INFO L273 TraceCheckUtils]: 36: Hoare triple {9077#(= (+ ULTIMATE.start_main_~j~6 2) 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; {9078#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:20:51,319 INFO L273 TraceCheckUtils]: 37: Hoare triple {9078#(= (+ 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; {9079#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:20:51,320 INFO L273 TraceCheckUtils]: 38: Hoare triple {9079#(= (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; {9041#false} is VALID [2019-02-14 16:20:51,321 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-02-14 16:20:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:20:51,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:51,324 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:20:51,325 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:20:51,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:20:51,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:20:51,325 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:20:51,334 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:20:51,334 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:20:51,357 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:20:51,358 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:20:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:20:51,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:20:52,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:20:52,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:52,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:52,345 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:20:52,348 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:20:52,349 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_258]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_258 17 (select ULTIMATE.start_main_~str1~6 0))) (<= 18 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:20:52,349 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:20:52,419 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#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; {9040#true} is VALID [2019-02-14 16:20:52,419 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 3: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 4: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,420 INFO L273 TraceCheckUtils]: 7: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 8: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 9: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 10: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 11: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 12: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 13: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 14: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,421 INFO L273 TraceCheckUtils]: 15: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,422 INFO L273 TraceCheckUtils]: 16: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,422 INFO L273 TraceCheckUtils]: 17: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,422 INFO L273 TraceCheckUtils]: 18: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:52,422 INFO L273 TraceCheckUtils]: 19: Hoare triple {9040#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; {9140#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:52,423 INFO L273 TraceCheckUtils]: 20: Hoare triple {9140#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {9144#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:20:52,424 INFO L273 TraceCheckUtils]: 21: Hoare triple {9144#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {9148#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:20:52,424 INFO L273 TraceCheckUtils]: 22: Hoare triple {9148#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {9152#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:20:52,425 INFO L273 TraceCheckUtils]: 23: Hoare triple {9152#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {9156#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:20:52,426 INFO L273 TraceCheckUtils]: 24: Hoare triple {9156#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {9160#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:52,427 INFO L273 TraceCheckUtils]: 25: Hoare triple {9160#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {9164#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:20:52,428 INFO L273 TraceCheckUtils]: 26: Hoare triple {9164#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {9168#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:20:52,429 INFO L273 TraceCheckUtils]: 27: Hoare triple {9168#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {9172#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:20:52,430 INFO L273 TraceCheckUtils]: 28: Hoare triple {9172#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {9176#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:20:52,431 INFO L273 TraceCheckUtils]: 29: Hoare triple {9176#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {9180#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:20:52,432 INFO L273 TraceCheckUtils]: 30: Hoare triple {9180#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {9184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:20:52,433 INFO L273 TraceCheckUtils]: 31: Hoare triple {9184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {9188#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:20:52,435 INFO L273 TraceCheckUtils]: 32: Hoare triple {9188#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {9192#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:20:52,436 INFO L273 TraceCheckUtils]: 33: Hoare triple {9192#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {9196#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:20:52,437 INFO L273 TraceCheckUtils]: 34: Hoare triple {9196#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {9200#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:20:52,438 INFO L273 TraceCheckUtils]: 35: Hoare triple {9200#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {9204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:20:52,439 INFO L273 TraceCheckUtils]: 36: Hoare triple {9204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {9208#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:20:52,440 INFO L273 TraceCheckUtils]: 37: Hoare triple {9208#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {9212#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:52,442 INFO L273 TraceCheckUtils]: 38: Hoare triple {9212#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6))} 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; {9041#false} is VALID [2019-02-14 16:20:52,442 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-02-14 16:20:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-02-14 16:20:52,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:20:52,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:20:52,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:20:52,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:20:52,587 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:20:53,920 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-02-14 16:20:53,922 INFO L273 TraceCheckUtils]: 38: Hoare triple {9222#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {9041#false} is VALID [2019-02-14 16:20:53,923 INFO L273 TraceCheckUtils]: 37: Hoare triple {9226#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {9222#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,925 INFO L273 TraceCheckUtils]: 36: Hoare triple {9230#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {9226#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:53,926 INFO L273 TraceCheckUtils]: 35: Hoare triple {9234#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {9230#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:20:53,927 INFO L273 TraceCheckUtils]: 34: Hoare triple {9238#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {9234#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,928 INFO L273 TraceCheckUtils]: 33: Hoare triple {9242#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {9238#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,930 INFO L273 TraceCheckUtils]: 32: Hoare triple {9246#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {9242#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:20:53,931 INFO L273 TraceCheckUtils]: 31: Hoare triple {9250#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {9246#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:20:53,932 INFO L273 TraceCheckUtils]: 30: Hoare triple {9254#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {9250#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,933 INFO L273 TraceCheckUtils]: 29: Hoare triple {9258#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {9254#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,935 INFO L273 TraceCheckUtils]: 28: Hoare triple {9262#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {9258#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:20:53,936 INFO L273 TraceCheckUtils]: 27: Hoare triple {9266#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {9262#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,937 INFO L273 TraceCheckUtils]: 26: Hoare triple {9270#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {9266#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:20:53,938 INFO L273 TraceCheckUtils]: 25: Hoare triple {9274#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {9270#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,939 INFO L273 TraceCheckUtils]: 24: Hoare triple {9278#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {9274#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:20:53,941 INFO L273 TraceCheckUtils]: 23: Hoare triple {9282#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {9278#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:20:53,942 INFO L273 TraceCheckUtils]: 22: Hoare triple {9286#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {9282#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:20:53,943 INFO L273 TraceCheckUtils]: 21: Hoare triple {9290#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {9286#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:20:53,944 INFO L273 TraceCheckUtils]: 20: Hoare triple {9294#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {9290#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:20:53,945 INFO L273 TraceCheckUtils]: 19: Hoare triple {9040#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; {9294#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:20:53,946 INFO L273 TraceCheckUtils]: 18: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,946 INFO L273 TraceCheckUtils]: 17: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,946 INFO L273 TraceCheckUtils]: 16: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,946 INFO L273 TraceCheckUtils]: 15: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,946 INFO L273 TraceCheckUtils]: 14: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 13: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 12: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 11: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 10: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 9: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 8: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,947 INFO L273 TraceCheckUtils]: 7: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 4: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 3: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} 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; {9040#true} is VALID [2019-02-14 16:20:53,948 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#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; {9040#true} is VALID [2019-02-14 16:20:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-02-14 16:20:53,970 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:20:53,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 21, 21] total 78 [2019-02-14 16:20:53,971 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:20:53,971 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-02-14 16:20:53,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:20:53,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states. [2019-02-14 16:20:54,033 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:20:54,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-02-14 16:20:54,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-02-14 16:20:54,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5168, Unknown=0, NotChecked=0, Total=6006 [2019-02-14 16:20:54,035 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 59 states. [2019-02-14 16:21:02,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:02,720 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-02-14 16:21:02,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-02-14 16:21:02,720 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-02-14 16:21:02,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-02-14 16:21:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-02-14 16:21:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-02-14 16:21:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-02-14 16:21:02,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 69 transitions. [2019-02-14 16:21:02,804 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:02,805 INFO L225 Difference]: With dead ends: 65 [2019-02-14 16:21:02,805 INFO L226 Difference]: Without dead ends: 43 [2019-02-14 16:21:02,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1393, Invalid=8707, Unknown=0, NotChecked=0, Total=10100 [2019-02-14 16:21:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-02-14 16:21:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-02-14 16:21:03,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:03,486 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2019-02-14 16:21:03,486 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-02-14 16:21:03,486 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-02-14 16:21:03,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:03,487 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-02-14 16:21:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-02-14 16:21:03,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:03,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:03,488 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-02-14 16:21:03,488 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-02-14 16:21:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:03,489 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-02-14 16:21:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-02-14 16:21:03,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:03,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:03,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:03,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-02-14 16:21:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-02-14 16:21:03,490 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2019-02-14 16:21:03,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:03,490 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-02-14 16:21:03,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-02-14 16:21:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-02-14 16:21:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-02-14 16:21:03,491 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:03,491 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 1, 1, 1, 1] [2019-02-14 16:21:03,491 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash -684650731, now seen corresponding path program 28 times [2019-02-14 16:21:03,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:03,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:03,492 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:21:03,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:03,492 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:04,826 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#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; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,827 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,828 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,829 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:04,830 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,831 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:04,832 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,834 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:04,835 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,836 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,837 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,838 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:04,839 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,840 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,841 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,842 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:04,843 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:04,844 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:04,845 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {9717#(or (and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:21:04,846 INFO L273 TraceCheckUtils]: 19: Hoare triple {9717#(or (and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:04,847 INFO L273 TraceCheckUtils]: 20: Hoare triple {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,848 INFO L273 TraceCheckUtils]: 21: Hoare triple {9719#(= (+ ULTIMATE.start_main_~j~6 19) 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; {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,849 INFO L273 TraceCheckUtils]: 22: Hoare triple {9720#(= (+ ULTIMATE.start_main_~j~6 18) 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; {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,850 INFO L273 TraceCheckUtils]: 23: Hoare triple {9721#(= (+ ULTIMATE.start_main_~j~6 17) 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; {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,851 INFO L273 TraceCheckUtils]: 24: Hoare triple {9722#(= (+ ULTIMATE.start_main_~j~6 16) 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; {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,852 INFO L273 TraceCheckUtils]: 25: Hoare triple {9723#(= (+ ULTIMATE.start_main_~j~6 15) 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; {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,853 INFO L273 TraceCheckUtils]: 26: Hoare triple {9724#(= (+ ULTIMATE.start_main_~j~6 14) 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; {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,854 INFO L273 TraceCheckUtils]: 27: Hoare triple {9725#(= (+ ULTIMATE.start_main_~j~6 13) 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; {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,855 INFO L273 TraceCheckUtils]: 28: Hoare triple {9726#(= (+ ULTIMATE.start_main_~j~6 12) 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; {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,856 INFO L273 TraceCheckUtils]: 29: Hoare triple {9727#(= (+ ULTIMATE.start_main_~j~6 11) 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; {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,857 INFO L273 TraceCheckUtils]: 30: Hoare triple {9728#(= (+ ULTIMATE.start_main_~j~6 10) 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; {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,858 INFO L273 TraceCheckUtils]: 31: Hoare triple {9729#(= (+ ULTIMATE.start_main_~j~6 9) 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; {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,859 INFO L273 TraceCheckUtils]: 32: Hoare triple {9730#(= (+ ULTIMATE.start_main_~j~6 8) 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; {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,861 INFO L273 TraceCheckUtils]: 33: Hoare triple {9731#(= (+ ULTIMATE.start_main_~j~6 7) 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; {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,862 INFO L273 TraceCheckUtils]: 34: Hoare triple {9732#(= (+ ULTIMATE.start_main_~j~6 6) 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; {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,863 INFO L273 TraceCheckUtils]: 35: Hoare triple {9733#(= (+ ULTIMATE.start_main_~j~6 5) 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; {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,864 INFO L273 TraceCheckUtils]: 36: Hoare triple {9734#(= (+ ULTIMATE.start_main_~j~6 4) 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; {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,865 INFO L273 TraceCheckUtils]: 37: Hoare triple {9735#(= (+ ULTIMATE.start_main_~j~6 3) 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; {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,866 INFO L273 TraceCheckUtils]: 38: Hoare triple {9736#(= (+ ULTIMATE.start_main_~j~6 2) 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; {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:04,867 INFO L273 TraceCheckUtils]: 39: Hoare triple {9737#(= (+ 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; {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:04,868 INFO L273 TraceCheckUtils]: 40: Hoare triple {9738#(= (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; {9698#false} is VALID [2019-02-14 16:21:04,868 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-02-14 16:21:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:04,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:04,872 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:04,872 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:04,873 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:04,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:04,873 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:04,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:21:04,883 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:21:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:04,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:06,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:21:06,461 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:06,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:06,467 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:21:06,470 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:06,470 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_277]. (and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_277 18 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:21:06,470 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:06,533 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#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; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,534 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,535 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,536 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:06,537 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,538 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:06,539 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,540 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:06,541 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,542 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,543 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,545 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:06,546 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,547 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,548 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,549 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:06,550 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:06,551 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,552 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:06,553 INFO L273 TraceCheckUtils]: 19: Hoare triple {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {9800#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,554 INFO L273 TraceCheckUtils]: 20: Hoare triple {9800#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 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; {9804#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} is VALID [2019-02-14 16:21:06,555 INFO L273 TraceCheckUtils]: 21: Hoare triple {9804#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {9808#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} is VALID [2019-02-14 16:21:06,555 INFO L273 TraceCheckUtils]: 22: Hoare triple {9808#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} 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; {9812#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:21:06,556 INFO L273 TraceCheckUtils]: 23: Hoare triple {9812#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {9816#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:21:06,557 INFO L273 TraceCheckUtils]: 24: Hoare triple {9816#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} 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; {9820#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} is VALID [2019-02-14 16:21:06,558 INFO L273 TraceCheckUtils]: 25: Hoare triple {9820#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} 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; {9824#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 5) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,559 INFO L273 TraceCheckUtils]: 26: Hoare triple {9824#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 5) (<= 19 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; {9828#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:21:06,560 INFO L273 TraceCheckUtils]: 27: Hoare triple {9828#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {9832#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 7) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,561 INFO L273 TraceCheckUtils]: 28: Hoare triple {9832#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 7) (<= 19 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; {9836#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:21:06,561 INFO L273 TraceCheckUtils]: 29: Hoare triple {9836#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} 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; {9840#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 9) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,562 INFO L273 TraceCheckUtils]: 30: Hoare triple {9840#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 9) (<= 19 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; {9844#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 10) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,563 INFO L273 TraceCheckUtils]: 31: Hoare triple {9844#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 10) (<= 19 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; {9848#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:21:06,564 INFO L273 TraceCheckUtils]: 32: Hoare triple {9848#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} 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; {9852#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 12) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,565 INFO L273 TraceCheckUtils]: 33: Hoare triple {9852#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 12) (<= 19 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; {9856#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13))} is VALID [2019-02-14 16:21:06,566 INFO L273 TraceCheckUtils]: 34: Hoare triple {9856#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13))} 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; {9860#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14))} is VALID [2019-02-14 16:21:06,567 INFO L273 TraceCheckUtils]: 35: Hoare triple {9860#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14))} 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; {9864#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:21:06,568 INFO L273 TraceCheckUtils]: 36: Hoare triple {9864#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} 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; {9868#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:21:06,569 INFO L273 TraceCheckUtils]: 37: Hoare triple {9868#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16))} 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; {9872#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17))} is VALID [2019-02-14 16:21:06,569 INFO L273 TraceCheckUtils]: 38: Hoare triple {9872#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17))} 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; {9876#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 18) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,571 INFO L273 TraceCheckUtils]: 39: Hoare triple {9876#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 18) (<= 19 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; {9880#(and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:06,572 INFO L273 TraceCheckUtils]: 40: Hoare triple {9880#(and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6))} 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; {9698#false} is VALID [2019-02-14 16:21:06,572 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-02-14 16:21:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:06,576 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:06,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:21:06,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:06,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:06,612 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:21:06,614 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:06,614 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:21:06,615 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:21:07,045 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-02-14 16:21:07,046 INFO L273 TraceCheckUtils]: 40: Hoare triple {9738#(= (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; {9698#false} is VALID [2019-02-14 16:21:07,047 INFO L273 TraceCheckUtils]: 39: Hoare triple {9737#(= (+ 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; {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:07,048 INFO L273 TraceCheckUtils]: 38: Hoare triple {9736#(= (+ ULTIMATE.start_main_~j~6 2) 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; {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,049 INFO L273 TraceCheckUtils]: 37: Hoare triple {9735#(= (+ ULTIMATE.start_main_~j~6 3) 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; {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,050 INFO L273 TraceCheckUtils]: 36: Hoare triple {9734#(= (+ ULTIMATE.start_main_~j~6 4) 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; {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,051 INFO L273 TraceCheckUtils]: 35: Hoare triple {9733#(= (+ ULTIMATE.start_main_~j~6 5) 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; {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,052 INFO L273 TraceCheckUtils]: 34: Hoare triple {9732#(= (+ ULTIMATE.start_main_~j~6 6) 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; {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,053 INFO L273 TraceCheckUtils]: 33: Hoare triple {9731#(= (+ ULTIMATE.start_main_~j~6 7) 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; {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,054 INFO L273 TraceCheckUtils]: 32: Hoare triple {9730#(= (+ ULTIMATE.start_main_~j~6 8) 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; {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,055 INFO L273 TraceCheckUtils]: 31: Hoare triple {9729#(= (+ ULTIMATE.start_main_~j~6 9) 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; {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,056 INFO L273 TraceCheckUtils]: 30: Hoare triple {9728#(= (+ ULTIMATE.start_main_~j~6 10) 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; {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,057 INFO L273 TraceCheckUtils]: 29: Hoare triple {9727#(= (+ ULTIMATE.start_main_~j~6 11) 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; {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,058 INFO L273 TraceCheckUtils]: 28: Hoare triple {9726#(= (+ ULTIMATE.start_main_~j~6 12) 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; {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,067 INFO L273 TraceCheckUtils]: 27: Hoare triple {9725#(= (+ ULTIMATE.start_main_~j~6 13) 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; {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,068 INFO L273 TraceCheckUtils]: 26: Hoare triple {9724#(= (+ ULTIMATE.start_main_~j~6 14) 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; {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,068 INFO L273 TraceCheckUtils]: 25: Hoare triple {9723#(= (+ ULTIMATE.start_main_~j~6 15) 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; {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,069 INFO L273 TraceCheckUtils]: 24: Hoare triple {9722#(= (+ ULTIMATE.start_main_~j~6 16) 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; {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,069 INFO L273 TraceCheckUtils]: 23: Hoare triple {9721#(= (+ ULTIMATE.start_main_~j~6 17) 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; {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,070 INFO L273 TraceCheckUtils]: 22: Hoare triple {9720#(= (+ ULTIMATE.start_main_~j~6 18) 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; {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,071 INFO L273 TraceCheckUtils]: 21: Hoare triple {9719#(= (+ ULTIMATE.start_main_~j~6 19) 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; {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,072 INFO L273 TraceCheckUtils]: 20: Hoare triple {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:07,073 INFO L273 TraceCheckUtils]: 19: Hoare triple {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:07,074 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,075 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,076 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:07,077 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:07,078 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,079 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,080 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,081 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:07,082 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,083 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,084 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,085 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:07,086 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,087 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:07,089 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,090 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:07,091 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,092 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,092 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#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; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:07,115 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:21:07,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 63 [2019-02-14 16:21:07,115 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:21:07,115 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-02-14 16:21:07,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:21:07,116 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states. [2019-02-14 16:21:07,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:07,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2019-02-14 16:21:07,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2019-02-14 16:21:07,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3845, Unknown=0, NotChecked=0, Total=4032 [2019-02-14 16:21:07,182 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 64 states. [2019-02-14 16:21:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:15,224 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-02-14 16:21:15,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-02-14 16:21:15,224 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-02-14 16:21:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-02-14 16:21:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-02-14 16:21:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-02-14 16:21:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-02-14 16:21:15,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states and 50 transitions. [2019-02-14 16:21:15,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:15,340 INFO L225 Difference]: With dead ends: 66 [2019-02-14 16:21:15,340 INFO L226 Difference]: Without dead ends: 44 [2019-02-14 16:21:15,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 47 SyntacticMatches, 14 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=396, Invalid=6914, Unknown=0, NotChecked=0, Total=7310 [2019-02-14 16:21:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-02-14 16:21:16,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-02-14 16:21:16,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:16,343 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2019-02-14 16:21:16,343 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-02-14 16:21:16,344 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-02-14 16:21:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:16,345 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-02-14 16:21:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-02-14 16:21:16,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:16,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:16,345 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-02-14 16:21:16,346 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-02-14 16:21:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:16,346 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-02-14 16:21:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-02-14 16:21:16,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:16,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:16,347 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:16,347 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:16,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-02-14 16:21:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2019-02-14 16:21:16,348 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 42 [2019-02-14 16:21:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:16,348 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2019-02-14 16:21:16,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 64 states. [2019-02-14 16:21:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-02-14 16:21:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-02-14 16:21:16,349 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:16,349 INFO L402 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1, 1] [2019-02-14 16:21:16,349 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:16,350 INFO L82 PathProgramCache]: Analyzing trace with hash -392135284, now seen corresponding path program 29 times [2019-02-14 16:21:16,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:16,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:16,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:21:16,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:16,351 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:16,928 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,929 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,930 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,931 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,932 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,933 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,933 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,934 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,935 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,936 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,937 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,938 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,939 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,940 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,941 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,942 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,943 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,944 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,945 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,946 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,946 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:16,947 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,948 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,949 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,950 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,951 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,952 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,953 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,954 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,955 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,956 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,957 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,958 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,959 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,960 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,960 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,961 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,962 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,963 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,964 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,965 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:16,966 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} 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; {10357#false} is VALID [2019-02-14 16:21:16,966 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-02-14 16:21:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:16,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:16,969 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:16,969 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:16,969 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:16,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:16,970 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:16,978 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:21:16,978 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:21:17,052 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-02-14 16:21:17,053 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:21:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:17,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:17,283 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,284 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,285 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,286 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,287 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,288 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,289 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,289 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,290 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,291 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,292 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,293 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,294 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,295 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,296 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,297 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,298 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,299 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,300 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,301 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,302 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:17,303 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,303 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,304 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,305 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,306 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,307 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,308 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,309 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,310 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,311 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,312 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,313 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,314 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,315 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,315 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,316 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,317 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,318 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,319 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,320 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:17,321 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} 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; {10357#false} is VALID [2019-02-14 16:21:17,321 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-02-14 16:21:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:17,324 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:18,168 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-02-14 16:21:18,169 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} 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; {10357#false} is VALID [2019-02-14 16:21:18,170 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,171 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,172 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,173 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,174 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,175 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,176 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,177 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,178 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,179 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,179 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,180 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,181 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,182 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,183 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,184 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,185 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,186 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,187 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,188 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,189 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~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; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:18,190 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~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; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,191 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~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; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,192 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~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; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,193 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~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; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,193 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~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; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,194 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~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; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,195 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~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; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,196 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~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; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,197 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~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; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,198 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~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; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,199 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~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; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,200 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~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; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,201 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~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; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,202 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~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; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,203 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~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; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,204 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~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; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,205 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~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; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,206 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~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; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,206 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~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; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,207 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#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; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:18,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:21:18,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 22 [2019-02-14 16:21:18,229 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:21:18,229 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-02-14 16:21:18,229 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:21:18,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-02-14 16:21:18,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:18,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-02-14 16:21:18,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-02-14 16:21:18,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2019-02-14 16:21:18,279 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 23 states. [2019-02-14 16:21:19,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:19,562 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-02-14 16:21:19,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-02-14 16:21:19,563 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-02-14 16:21:19,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-02-14 16:21:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-02-14 16:21:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-02-14 16:21:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-02-14 16:21:19,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states and 48 transitions. [2019-02-14 16:21:19,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:19,612 INFO L225 Difference]: With dead ends: 47 [2019-02-14 16:21:19,612 INFO L226 Difference]: Without dead ends: 45 [2019-02-14 16:21:19,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 65 SyntacticMatches, 40 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=1113, Unknown=0, NotChecked=0, Total=1806 [2019-02-14 16:21:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-02-14 16:21:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-02-14 16:21:20,324 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:20,324 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2019-02-14 16:21:20,324 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-02-14 16:21:20,324 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-02-14 16:21:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:20,326 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-02-14 16:21:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-02-14 16:21:20,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:20,327 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:20,327 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-02-14 16:21:20,327 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-02-14 16:21:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:20,328 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-02-14 16:21:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-02-14 16:21:20,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:20,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:20,328 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:20,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-02-14 16:21:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-02-14 16:21:20,329 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 43 [2019-02-14 16:21:20,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:20,329 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-02-14 16:21:20,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-02-14 16:21:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-02-14 16:21:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-02-14 16:21:20,330 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:20,330 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 1, 1, 1, 1] [2019-02-14 16:21:20,330 INFO L423 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:20,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:20,330 INFO L82 PathProgramCache]: Analyzing trace with hash 728709898, now seen corresponding path program 30 times [2019-02-14 16:21:20,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:20,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:20,331 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:21:20,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:20,331 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:21,885 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#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; {10944#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,886 INFO L273 TraceCheckUtils]: 1: Hoare triple {10944#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {10945#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,887 INFO L273 TraceCheckUtils]: 2: Hoare triple {10945#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {10946#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,888 INFO L273 TraceCheckUtils]: 3: Hoare triple {10946#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {10947#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:21,889 INFO L273 TraceCheckUtils]: 4: Hoare triple {10947#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {10948#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,890 INFO L273 TraceCheckUtils]: 5: Hoare triple {10948#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {10949#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:21,891 INFO L273 TraceCheckUtils]: 6: Hoare triple {10949#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {10950#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,892 INFO L273 TraceCheckUtils]: 7: Hoare triple {10950#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {10951#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:21,893 INFO L273 TraceCheckUtils]: 8: Hoare triple {10951#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {10952#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,894 INFO L273 TraceCheckUtils]: 9: Hoare triple {10952#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {10953#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,895 INFO L273 TraceCheckUtils]: 10: Hoare triple {10953#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {10954#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,896 INFO L273 TraceCheckUtils]: 11: Hoare triple {10954#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {10955#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:21,897 INFO L273 TraceCheckUtils]: 12: Hoare triple {10955#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {10956#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,898 INFO L273 TraceCheckUtils]: 13: Hoare triple {10956#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {10957#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,899 INFO L273 TraceCheckUtils]: 14: Hoare triple {10957#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {10958#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,900 INFO L273 TraceCheckUtils]: 15: Hoare triple {10958#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {10959#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:21,901 INFO L273 TraceCheckUtils]: 16: Hoare triple {10959#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {10960#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:21,902 INFO L273 TraceCheckUtils]: 17: Hoare triple {10960#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {10961#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,903 INFO L273 TraceCheckUtils]: 18: Hoare triple {10961#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {10962#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:21,905 INFO L273 TraceCheckUtils]: 19: Hoare triple {10962#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {10963#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:21:21,906 INFO L273 TraceCheckUtils]: 20: Hoare triple {10963#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {10964#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 20 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:21,907 INFO L273 TraceCheckUtils]: 21: Hoare triple {10964#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 20 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; {10965#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,908 INFO L273 TraceCheckUtils]: 22: Hoare triple {10965#(= (+ ULTIMATE.start_main_~j~6 20) 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; {10966#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,909 INFO L273 TraceCheckUtils]: 23: Hoare triple {10966#(= (+ ULTIMATE.start_main_~j~6 19) 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; {10967#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,910 INFO L273 TraceCheckUtils]: 24: Hoare triple {10967#(= (+ ULTIMATE.start_main_~j~6 18) 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; {10968#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,911 INFO L273 TraceCheckUtils]: 25: Hoare triple {10968#(= (+ ULTIMATE.start_main_~j~6 17) 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; {10969#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,912 INFO L273 TraceCheckUtils]: 26: Hoare triple {10969#(= (+ ULTIMATE.start_main_~j~6 16) 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; {10970#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,913 INFO L273 TraceCheckUtils]: 27: Hoare triple {10970#(= (+ ULTIMATE.start_main_~j~6 15) 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; {10971#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,914 INFO L273 TraceCheckUtils]: 28: Hoare triple {10971#(= (+ ULTIMATE.start_main_~j~6 14) 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; {10972#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,915 INFO L273 TraceCheckUtils]: 29: Hoare triple {10972#(= (+ ULTIMATE.start_main_~j~6 13) 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; {10973#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,916 INFO L273 TraceCheckUtils]: 30: Hoare triple {10973#(= (+ ULTIMATE.start_main_~j~6 12) 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; {10974#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,917 INFO L273 TraceCheckUtils]: 31: Hoare triple {10974#(= (+ ULTIMATE.start_main_~j~6 11) 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; {10975#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,918 INFO L273 TraceCheckUtils]: 32: Hoare triple {10975#(= (+ ULTIMATE.start_main_~j~6 10) 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; {10976#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,919 INFO L273 TraceCheckUtils]: 33: Hoare triple {10976#(= (+ ULTIMATE.start_main_~j~6 9) 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; {10977#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,920 INFO L273 TraceCheckUtils]: 34: Hoare triple {10977#(= (+ ULTIMATE.start_main_~j~6 8) 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; {10978#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,921 INFO L273 TraceCheckUtils]: 35: Hoare triple {10978#(= (+ ULTIMATE.start_main_~j~6 7) 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; {10979#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,922 INFO L273 TraceCheckUtils]: 36: Hoare triple {10979#(= (+ ULTIMATE.start_main_~j~6 6) 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; {10980#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,923 INFO L273 TraceCheckUtils]: 37: Hoare triple {10980#(= (+ ULTIMATE.start_main_~j~6 5) 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; {10981#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,924 INFO L273 TraceCheckUtils]: 38: Hoare triple {10981#(= (+ ULTIMATE.start_main_~j~6 4) 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; {10982#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,925 INFO L273 TraceCheckUtils]: 39: Hoare triple {10982#(= (+ ULTIMATE.start_main_~j~6 3) 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; {10983#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,926 INFO L273 TraceCheckUtils]: 40: Hoare triple {10983#(= (+ ULTIMATE.start_main_~j~6 2) 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; {10984#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:21,927 INFO L273 TraceCheckUtils]: 41: Hoare triple {10984#(= (+ 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; {10985#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:21,929 INFO L273 TraceCheckUtils]: 42: Hoare triple {10985#(= (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; {10943#false} is VALID [2019-02-14 16:21:21,929 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-02-14 16:21:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:21,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:21,932 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:21,932 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:21,932 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:21,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:21,933 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:21,942 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:21:21,943 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:21:21,972 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:21:21,972 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:21:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:21,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:23,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:21:23,236 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:23,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:23,241 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:21:23,244 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:23,244 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_316]. (and (= (store v_ULTIMATE.start_main_~str2~6_316 19 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (<= 20 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:23,244 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:23,315 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#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; {10942#true} is VALID [2019-02-14 16:21:23,315 INFO L273 TraceCheckUtils]: 1: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,315 INFO L273 TraceCheckUtils]: 2: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,316 INFO L273 TraceCheckUtils]: 3: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,316 INFO L273 TraceCheckUtils]: 4: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,316 INFO L273 TraceCheckUtils]: 5: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,316 INFO L273 TraceCheckUtils]: 6: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,316 INFO L273 TraceCheckUtils]: 7: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 8: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 9: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 10: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 11: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 12: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 13: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 14: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,317 INFO L273 TraceCheckUtils]: 15: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 16: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 17: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 18: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 19: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 20: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:23,318 INFO L273 TraceCheckUtils]: 21: Hoare triple {10942#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; {11052#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:23,319 INFO L273 TraceCheckUtils]: 22: Hoare triple {11052#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {11056#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:21:23,320 INFO L273 TraceCheckUtils]: 23: Hoare triple {11056#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {11060#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:21:23,320 INFO L273 TraceCheckUtils]: 24: Hoare triple {11060#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {11064#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:21:23,321 INFO L273 TraceCheckUtils]: 25: Hoare triple {11064#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {11068#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:21:23,322 INFO L273 TraceCheckUtils]: 26: Hoare triple {11068#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {11072#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:23,323 INFO L273 TraceCheckUtils]: 27: Hoare triple {11072#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {11076#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:21:23,324 INFO L273 TraceCheckUtils]: 28: Hoare triple {11076#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {11080#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:21:23,325 INFO L273 TraceCheckUtils]: 29: Hoare triple {11080#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {11084#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:21:23,326 INFO L273 TraceCheckUtils]: 30: Hoare triple {11084#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {11088#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:21:23,327 INFO L273 TraceCheckUtils]: 31: Hoare triple {11088#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {11092#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:21:23,328 INFO L273 TraceCheckUtils]: 32: Hoare triple {11092#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {11096#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:21:23,329 INFO L273 TraceCheckUtils]: 33: Hoare triple {11096#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {11100#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:21:23,330 INFO L273 TraceCheckUtils]: 34: Hoare triple {11100#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {11104#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:21:23,331 INFO L273 TraceCheckUtils]: 35: Hoare triple {11104#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {11108#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:21:23,332 INFO L273 TraceCheckUtils]: 36: Hoare triple {11108#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {11112#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:21:23,333 INFO L273 TraceCheckUtils]: 37: Hoare triple {11112#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {11116#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:21:23,334 INFO L273 TraceCheckUtils]: 38: Hoare triple {11116#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {11120#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:21:23,335 INFO L273 TraceCheckUtils]: 39: Hoare triple {11120#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {11124#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:21:23,336 INFO L273 TraceCheckUtils]: 40: Hoare triple {11124#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {11128#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:21:23,338 INFO L273 TraceCheckUtils]: 41: Hoare triple {11128#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {11132#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:23,339 INFO L273 TraceCheckUtils]: 42: Hoare triple {11132#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6))} 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; {10943#false} is VALID [2019-02-14 16:21:23,339 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-02-14 16:21:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-02-14 16:21:23,343 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:23,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:21:23,452 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:23,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:23,465 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:21:23,468 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:23,469 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:21:23,469 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:24,952 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-02-14 16:21:24,954 INFO L273 TraceCheckUtils]: 42: Hoare triple {11142#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {10943#false} is VALID [2019-02-14 16:21:24,955 INFO L273 TraceCheckUtils]: 41: Hoare triple {11146#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {11142#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,956 INFO L273 TraceCheckUtils]: 40: Hoare triple {11150#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {11146#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:24,957 INFO L273 TraceCheckUtils]: 39: Hoare triple {11154#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {11150#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:21:24,959 INFO L273 TraceCheckUtils]: 38: Hoare triple {11158#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {11154#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,960 INFO L273 TraceCheckUtils]: 37: Hoare triple {11162#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {11158#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,961 INFO L273 TraceCheckUtils]: 36: Hoare triple {11166#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {11162#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:21:24,962 INFO L273 TraceCheckUtils]: 35: Hoare triple {11170#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {11166#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:24,963 INFO L273 TraceCheckUtils]: 34: Hoare triple {11174#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {11170#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,965 INFO L273 TraceCheckUtils]: 33: Hoare triple {11178#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {11174#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,966 INFO L273 TraceCheckUtils]: 32: Hoare triple {11182#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {11178#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:21:24,967 INFO L273 TraceCheckUtils]: 31: Hoare triple {11186#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {11182#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,968 INFO L273 TraceCheckUtils]: 30: Hoare triple {11190#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {11186#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:21:24,969 INFO L273 TraceCheckUtils]: 29: Hoare triple {11194#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {11190#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,970 INFO L273 TraceCheckUtils]: 28: Hoare triple {11198#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {11194#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:21:24,972 INFO L273 TraceCheckUtils]: 27: Hoare triple {11202#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {11198#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:24,973 INFO L273 TraceCheckUtils]: 26: Hoare triple {11206#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {11202#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:21:24,974 INFO L273 TraceCheckUtils]: 25: Hoare triple {11210#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {11206#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:21:24,975 INFO L273 TraceCheckUtils]: 24: Hoare triple {11214#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {11210#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:21:24,976 INFO L273 TraceCheckUtils]: 23: Hoare triple {11218#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {11214#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:21:24,978 INFO L273 TraceCheckUtils]: 22: Hoare triple {11222#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {11218#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:21:24,979 INFO L273 TraceCheckUtils]: 21: Hoare triple {10942#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; {11222#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:21:24,979 INFO L273 TraceCheckUtils]: 20: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,979 INFO L273 TraceCheckUtils]: 19: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,979 INFO L273 TraceCheckUtils]: 18: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,979 INFO L273 TraceCheckUtils]: 17: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,980 INFO L273 TraceCheckUtils]: 16: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,980 INFO L273 TraceCheckUtils]: 15: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,980 INFO L273 TraceCheckUtils]: 14: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,980 INFO L273 TraceCheckUtils]: 13: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,980 INFO L273 TraceCheckUtils]: 12: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 11: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 10: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 9: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 8: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 7: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 6: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,981 INFO L273 TraceCheckUtils]: 5: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,982 INFO L273 TraceCheckUtils]: 4: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,982 INFO L273 TraceCheckUtils]: 3: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,982 INFO L273 TraceCheckUtils]: 2: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,982 INFO L273 TraceCheckUtils]: 1: Hoare triple {10942#true} 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; {10942#true} is VALID [2019-02-14 16:21:24,982 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#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; {10942#true} is VALID [2019-02-14 16:21:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-02-14 16:21:25,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:21:25,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 23, 23] total 86 [2019-02-14 16:21:25,005 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:21:25,005 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-02-14 16:21:25,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:21:25,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states. [2019-02-14 16:21:25,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:25,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2019-02-14 16:21:25,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2019-02-14 16:21:25,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=6300, Unknown=0, NotChecked=0, Total=7310 [2019-02-14 16:21:25,143 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 65 states. [2019-02-14 16:21:35,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:35,518 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-02-14 16:21:35,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-02-14 16:21:35,518 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-02-14 16:21:35,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-02-14 16:21:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-02-14 16:21:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-02-14 16:21:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-02-14 16:21:35,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 75 transitions. [2019-02-14 16:21:35,608 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:35,609 INFO L225 Difference]: With dead ends: 71 [2019-02-14 16:21:35,609 INFO L226 Difference]: Without dead ends: 47 [2019-02-14 16:21:35,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1663, Invalid=10547, Unknown=0, NotChecked=0, Total=12210 [2019-02-14 16:21:35,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-02-14 16:21:36,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-02-14 16:21:36,380 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:36,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2019-02-14 16:21:36,381 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-02-14 16:21:36,381 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-02-14 16:21:36,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:36,382 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-02-14 16:21:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-02-14 16:21:36,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:36,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:36,383 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-02-14 16:21:36,384 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-02-14 16:21:36,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:36,385 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-02-14 16:21:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-02-14 16:21:36,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:36,385 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:36,385 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:36,386 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-02-14 16:21:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2019-02-14 16:21:36,387 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2019-02-14 16:21:36,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:36,387 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2019-02-14 16:21:36,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2019-02-14 16:21:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-02-14 16:21:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-02-14 16:21:36,387 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:36,388 INFO L402 BasicCegarLoop]: trace histogram [21, 21, 1, 1, 1, 1] [2019-02-14 16:21:36,388 INFO L423 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:36,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:36,388 INFO L82 PathProgramCache]: Analyzing trace with hash 954210165, now seen corresponding path program 31 times [2019-02-14 16:21:36,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:36,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:36,389 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:21:36,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:36,389 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:37,837 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#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; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,838 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,839 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,840 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:37,841 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,842 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:37,843 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,844 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:37,845 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,846 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,847 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,848 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:37,850 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,851 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,852 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,853 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:37,854 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:37,855 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,856 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,857 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:37,858 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {11685#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:21:37,859 INFO L273 TraceCheckUtils]: 21: Hoare triple {11685#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:37,860 INFO L273 TraceCheckUtils]: 22: Hoare triple {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,861 INFO L273 TraceCheckUtils]: 23: Hoare triple {11687#(= (+ ULTIMATE.start_main_~j~6 21) 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; {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,862 INFO L273 TraceCheckUtils]: 24: Hoare triple {11688#(= (+ ULTIMATE.start_main_~j~6 20) 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; {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,863 INFO L273 TraceCheckUtils]: 25: Hoare triple {11689#(= (+ ULTIMATE.start_main_~j~6 19) 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; {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,864 INFO L273 TraceCheckUtils]: 26: Hoare triple {11690#(= (+ ULTIMATE.start_main_~j~6 18) 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; {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,865 INFO L273 TraceCheckUtils]: 27: Hoare triple {11691#(= (+ ULTIMATE.start_main_~j~6 17) 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; {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,866 INFO L273 TraceCheckUtils]: 28: Hoare triple {11692#(= (+ ULTIMATE.start_main_~j~6 16) 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; {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,867 INFO L273 TraceCheckUtils]: 29: Hoare triple {11693#(= (+ ULTIMATE.start_main_~j~6 15) 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; {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,868 INFO L273 TraceCheckUtils]: 30: Hoare triple {11694#(= (+ ULTIMATE.start_main_~j~6 14) 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; {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,869 INFO L273 TraceCheckUtils]: 31: Hoare triple {11695#(= (+ ULTIMATE.start_main_~j~6 13) 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; {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,870 INFO L273 TraceCheckUtils]: 32: Hoare triple {11696#(= (+ ULTIMATE.start_main_~j~6 12) 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; {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,871 INFO L273 TraceCheckUtils]: 33: Hoare triple {11697#(= (+ ULTIMATE.start_main_~j~6 11) 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; {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,872 INFO L273 TraceCheckUtils]: 34: Hoare triple {11698#(= (+ ULTIMATE.start_main_~j~6 10) 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; {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,873 INFO L273 TraceCheckUtils]: 35: Hoare triple {11699#(= (+ ULTIMATE.start_main_~j~6 9) 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; {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,874 INFO L273 TraceCheckUtils]: 36: Hoare triple {11700#(= (+ ULTIMATE.start_main_~j~6 8) 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; {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,876 INFO L273 TraceCheckUtils]: 37: Hoare triple {11701#(= (+ ULTIMATE.start_main_~j~6 7) 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; {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,877 INFO L273 TraceCheckUtils]: 38: Hoare triple {11702#(= (+ ULTIMATE.start_main_~j~6 6) 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; {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,878 INFO L273 TraceCheckUtils]: 39: Hoare triple {11703#(= (+ ULTIMATE.start_main_~j~6 5) 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; {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,878 INFO L273 TraceCheckUtils]: 40: Hoare triple {11704#(= (+ ULTIMATE.start_main_~j~6 4) 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; {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,879 INFO L273 TraceCheckUtils]: 41: Hoare triple {11705#(= (+ ULTIMATE.start_main_~j~6 3) 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; {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,880 INFO L273 TraceCheckUtils]: 42: Hoare triple {11706#(= (+ ULTIMATE.start_main_~j~6 2) 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; {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:37,882 INFO L273 TraceCheckUtils]: 43: Hoare triple {11707#(= (+ 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; {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:37,883 INFO L273 TraceCheckUtils]: 44: Hoare triple {11708#(= (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; {11664#false} is VALID [2019-02-14 16:21:37,883 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-02-14 16:21:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:37,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:37,888 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:37,888 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:37,888 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:37,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:37,888 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:37,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:21:37,898 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:21:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:37,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:39,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:21:39,624 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:39,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:39,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:21:39,631 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:39,632 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_337]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_337 20 (select ULTIMATE.start_main_~str1~6 0))) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21)) [2019-02-14 16:21:39,632 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21)) [2019-02-14 16:21:39,708 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#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; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,709 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,710 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,711 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:39,712 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,713 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:39,715 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,716 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:39,717 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,718 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,719 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,720 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:39,721 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,722 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,723 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,724 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:39,725 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:39,726 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,727 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,728 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,729 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:39,730 INFO L273 TraceCheckUtils]: 21: Hoare triple {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {11776#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:39,731 INFO L273 TraceCheckUtils]: 22: Hoare triple {11776#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 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; {11780#(and (= ULTIMATE.start_main_~j~6 0) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,732 INFO L273 TraceCheckUtils]: 23: Hoare triple {11780#(and (= ULTIMATE.start_main_~j~6 0) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11784#(and (= ULTIMATE.start_main_~j~6 1) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,733 INFO L273 TraceCheckUtils]: 24: Hoare triple {11784#(and (= ULTIMATE.start_main_~j~6 1) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11788#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:21:39,734 INFO L273 TraceCheckUtils]: 25: Hoare triple {11788#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 2))} 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; {11792#(and (<= 21 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,734 INFO L273 TraceCheckUtils]: 26: Hoare triple {11792#(and (<= 21 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11796#(and (= ULTIMATE.start_main_~j~6 4) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,735 INFO L273 TraceCheckUtils]: 27: Hoare triple {11796#(and (= ULTIMATE.start_main_~j~6 4) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11800#(and (= ULTIMATE.start_main_~j~6 5) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,736 INFO L273 TraceCheckUtils]: 28: Hoare triple {11800#(and (= ULTIMATE.start_main_~j~6 5) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11804#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:21:39,737 INFO L273 TraceCheckUtils]: 29: Hoare triple {11804#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 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; {11808#(and (= ULTIMATE.start_main_~j~6 7) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,738 INFO L273 TraceCheckUtils]: 30: Hoare triple {11808#(and (= ULTIMATE.start_main_~j~6 7) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11812#(and (= ULTIMATE.start_main_~j~6 8) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,739 INFO L273 TraceCheckUtils]: 31: Hoare triple {11812#(and (= ULTIMATE.start_main_~j~6 8) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11816#(and (= ULTIMATE.start_main_~j~6 9) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,739 INFO L273 TraceCheckUtils]: 32: Hoare triple {11816#(and (= ULTIMATE.start_main_~j~6 9) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11820#(and (= ULTIMATE.start_main_~j~6 10) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,740 INFO L273 TraceCheckUtils]: 33: Hoare triple {11820#(and (= ULTIMATE.start_main_~j~6 10) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11824#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:21:39,741 INFO L273 TraceCheckUtils]: 34: Hoare triple {11824#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 11))} 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; {11828#(and (= ULTIMATE.start_main_~j~6 12) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,742 INFO L273 TraceCheckUtils]: 35: Hoare triple {11828#(and (= ULTIMATE.start_main_~j~6 12) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11832#(and (= ULTIMATE.start_main_~j~6 13) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,743 INFO L273 TraceCheckUtils]: 36: Hoare triple {11832#(and (= ULTIMATE.start_main_~j~6 13) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11836#(and (= ULTIMATE.start_main_~j~6 14) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,744 INFO L273 TraceCheckUtils]: 37: Hoare triple {11836#(and (= ULTIMATE.start_main_~j~6 14) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11840#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:21:39,745 INFO L273 TraceCheckUtils]: 38: Hoare triple {11840#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 15))} 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; {11844#(and (= ULTIMATE.start_main_~j~6 16) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,746 INFO L273 TraceCheckUtils]: 39: Hoare triple {11844#(and (= ULTIMATE.start_main_~j~6 16) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11848#(and (= ULTIMATE.start_main_~j~6 17) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,746 INFO L273 TraceCheckUtils]: 40: Hoare triple {11848#(and (= ULTIMATE.start_main_~j~6 17) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11852#(and (= ULTIMATE.start_main_~j~6 18) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,747 INFO L273 TraceCheckUtils]: 41: Hoare triple {11852#(and (= ULTIMATE.start_main_~j~6 18) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11856#(and (= ULTIMATE.start_main_~j~6 19) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,748 INFO L273 TraceCheckUtils]: 42: Hoare triple {11856#(and (= ULTIMATE.start_main_~j~6 19) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11860#(and (= ULTIMATE.start_main_~j~6 20) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,749 INFO L273 TraceCheckUtils]: 43: Hoare triple {11860#(and (= ULTIMATE.start_main_~j~6 20) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11864#(and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2019-02-14 16:21:39,750 INFO L273 TraceCheckUtils]: 44: Hoare triple {11864#(and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} 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; {11664#false} is VALID [2019-02-14 16:21:39,751 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-02-14 16:21:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:39,756 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:39,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:21:39,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:39,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:39,835 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:21:39,837 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:39,837 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:21:39,837 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:21:40,360 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-02-14 16:21:40,362 INFO L273 TraceCheckUtils]: 44: Hoare triple {11708#(= (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; {11664#false} is VALID [2019-02-14 16:21:40,363 INFO L273 TraceCheckUtils]: 43: Hoare triple {11707#(= (+ 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; {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:40,364 INFO L273 TraceCheckUtils]: 42: Hoare triple {11706#(= (+ ULTIMATE.start_main_~j~6 2) 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; {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,365 INFO L273 TraceCheckUtils]: 41: Hoare triple {11705#(= (+ ULTIMATE.start_main_~j~6 3) 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; {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,366 INFO L273 TraceCheckUtils]: 40: Hoare triple {11704#(= (+ ULTIMATE.start_main_~j~6 4) 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; {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,367 INFO L273 TraceCheckUtils]: 39: Hoare triple {11703#(= (+ ULTIMATE.start_main_~j~6 5) 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; {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,368 INFO L273 TraceCheckUtils]: 38: Hoare triple {11702#(= (+ ULTIMATE.start_main_~j~6 6) 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; {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,369 INFO L273 TraceCheckUtils]: 37: Hoare triple {11701#(= (+ ULTIMATE.start_main_~j~6 7) 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; {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,370 INFO L273 TraceCheckUtils]: 36: Hoare triple {11700#(= (+ ULTIMATE.start_main_~j~6 8) 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; {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,371 INFO L273 TraceCheckUtils]: 35: Hoare triple {11699#(= (+ ULTIMATE.start_main_~j~6 9) 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; {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,372 INFO L273 TraceCheckUtils]: 34: Hoare triple {11698#(= (+ ULTIMATE.start_main_~j~6 10) 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; {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,374 INFO L273 TraceCheckUtils]: 33: Hoare triple {11697#(= (+ ULTIMATE.start_main_~j~6 11) 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; {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,375 INFO L273 TraceCheckUtils]: 32: Hoare triple {11696#(= (+ ULTIMATE.start_main_~j~6 12) 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; {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,376 INFO L273 TraceCheckUtils]: 31: Hoare triple {11695#(= (+ ULTIMATE.start_main_~j~6 13) 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; {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,377 INFO L273 TraceCheckUtils]: 30: Hoare triple {11694#(= (+ ULTIMATE.start_main_~j~6 14) 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; {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,378 INFO L273 TraceCheckUtils]: 29: Hoare triple {11693#(= (+ ULTIMATE.start_main_~j~6 15) 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; {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,379 INFO L273 TraceCheckUtils]: 28: Hoare triple {11692#(= (+ ULTIMATE.start_main_~j~6 16) 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; {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,380 INFO L273 TraceCheckUtils]: 27: Hoare triple {11691#(= (+ ULTIMATE.start_main_~j~6 17) 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; {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,381 INFO L273 TraceCheckUtils]: 26: Hoare triple {11690#(= (+ ULTIMATE.start_main_~j~6 18) 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; {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,382 INFO L273 TraceCheckUtils]: 25: Hoare triple {11689#(= (+ ULTIMATE.start_main_~j~6 19) 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; {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,383 INFO L273 TraceCheckUtils]: 24: Hoare triple {11688#(= (+ ULTIMATE.start_main_~j~6 20) 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; {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,384 INFO L273 TraceCheckUtils]: 23: Hoare triple {11687#(= (+ ULTIMATE.start_main_~j~6 21) 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; {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,385 INFO L273 TraceCheckUtils]: 22: Hoare triple {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:40,386 INFO L273 TraceCheckUtils]: 21: Hoare triple {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:40,387 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,388 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,389 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,390 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,391 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:40,392 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:40,393 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,394 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,395 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,396 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:40,397 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,398 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,400 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,401 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:40,402 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,403 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:40,404 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,405 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:40,406 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,407 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,407 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#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; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:40,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:21:40,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 69 [2019-02-14 16:21:40,431 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:21:40,431 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-02-14 16:21:40,431 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:21:40,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states. [2019-02-14 16:21:40,501 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:40,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 70 states [2019-02-14 16:21:40,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2019-02-14 16:21:40,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=4625, Unknown=0, NotChecked=0, Total=4830 [2019-02-14 16:21:40,502 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 70 states. [2019-02-14 16:21:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:50,108 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2019-02-14 16:21:50,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-02-14 16:21:50,109 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-02-14 16:21:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-02-14 16:21:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-02-14 16:21:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-02-14 16:21:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-02-14 16:21:50,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 49 states and 54 transitions. [2019-02-14 16:21:50,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:50,169 INFO L225 Difference]: With dead ends: 72 [2019-02-14 16:21:50,169 INFO L226 Difference]: Without dead ends: 48 [2019-02-14 16:21:50,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 51 SyntacticMatches, 16 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=434, Invalid=8308, Unknown=0, NotChecked=0, Total=8742 [2019-02-14 16:21:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-02-14 16:21:50,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-02-14 16:21:50,982 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:50,982 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand 48 states. [2019-02-14 16:21:50,982 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-02-14 16:21:50,982 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-02-14 16:21:50,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:50,983 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-02-14 16:21:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-02-14 16:21:50,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:50,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:50,984 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-02-14 16:21:50,984 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-02-14 16:21:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:50,985 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-02-14 16:21:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-02-14 16:21:50,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:50,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:50,985 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:50,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-02-14 16:21:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2019-02-14 16:21:50,986 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 46 [2019-02-14 16:21:50,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:50,986 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2019-02-14 16:21:50,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 70 states. [2019-02-14 16:21:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-02-14 16:21:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-02-14 16:21:50,986 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:50,986 INFO L402 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1, 1] [2019-02-14 16:21:50,987 INFO L423 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:50,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:50,987 INFO L82 PathProgramCache]: Analyzing trace with hash 259355244, now seen corresponding path program 32 times [2019-02-14 16:21:50,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:50,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:50,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:21:50,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:50,988 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:52,362 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,364 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,364 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,365 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,366 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,367 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,368 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,369 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,370 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,371 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,372 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,373 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,374 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,375 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,376 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,377 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,378 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,379 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,380 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,380 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,381 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,382 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,383 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:52,384 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,385 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,386 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,387 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,388 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,389 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,390 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,391 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,392 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,393 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,393 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,394 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,395 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,396 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,397 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,398 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,399 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,400 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,401 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,402 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,403 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,404 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,404 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} 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; {12385#false} is VALID [2019-02-14 16:21:52,404 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-02-14 16:21:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:52,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:52,408 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:52,409 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:52,409 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:52,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:52,409 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:52,421 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:21:52,421 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:21:52,505 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-02-14 16:21:52,505 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:21:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:52,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:52,764 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,765 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,766 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,767 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,768 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,769 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,770 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,771 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,772 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,773 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,774 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,775 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,776 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,776 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,777 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,778 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,779 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,780 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,781 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,782 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,783 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,784 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,785 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:52,806 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,821 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,835 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,844 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,846 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,847 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,847 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,849 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,849 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,851 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,860 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,861 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,862 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,862 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,863 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,863 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,864 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,865 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,866 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,867 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,868 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,869 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:52,869 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} 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; {12385#false} is VALID [2019-02-14 16:21:52,869 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-02-14 16:21:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:52,873 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:53,547 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-02-14 16:21:53,548 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} 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; {12385#false} is VALID [2019-02-14 16:21:53,549 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,550 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,551 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,552 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,553 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,554 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,555 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,555 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,556 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,557 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,558 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,559 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,560 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,561 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,569 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,570 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,570 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,571 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,571 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,572 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,572 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,573 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,574 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~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; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:53,575 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~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; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,576 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~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; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,577 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~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; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,578 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~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; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,578 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~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; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,579 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~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; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,580 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~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; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,581 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~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; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,582 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~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; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,583 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~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; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,584 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~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; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,585 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~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; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,586 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~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; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,587 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~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; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,588 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~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; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,589 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~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; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,589 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~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; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,590 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~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; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,591 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~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; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,592 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~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; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,593 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~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; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,594 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#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; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:21:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:53,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:21:53,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2019-02-14 16:21:53,617 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:21:53,617 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-02-14 16:21:53,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:21:53,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2019-02-14 16:21:53,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:53,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-02-14 16:21:53,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-02-14 16:21:53,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2019-02-14 16:21:53,673 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 25 states. [2019-02-14 16:21:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:55,232 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-02-14 16:21:55,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-02-14 16:21:55,232 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-02-14 16:21:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:21:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-02-14 16:21:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-02-14 16:21:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-02-14 16:21:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-02-14 16:21:55,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 52 transitions. [2019-02-14 16:21:55,282 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:21:55,283 INFO L225 Difference]: With dead ends: 51 [2019-02-14 16:21:55,283 INFO L226 Difference]: Without dead ends: 49 [2019-02-14 16:21:55,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 71 SyntacticMatches, 44 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2019-02-14 16:21:55,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-02-14 16:21:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-02-14 16:21:56,182 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:21:56,183 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2019-02-14 16:21:56,183 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-02-14 16:21:56,183 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-02-14 16:21:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:56,184 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-02-14 16:21:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-02-14 16:21:56,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:56,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:56,185 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-02-14 16:21:56,185 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-02-14 16:21:56,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:21:56,186 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-02-14 16:21:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-02-14 16:21:56,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:21:56,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:21:56,186 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:21:56,186 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:21:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-02-14 16:21:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2019-02-14 16:21:56,187 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 47 [2019-02-14 16:21:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:21:56,187 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2019-02-14 16:21:56,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-02-14 16:21:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-02-14 16:21:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-02-14 16:21:56,188 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:21:56,188 INFO L402 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1] [2019-02-14 16:21:56,188 INFO L423 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:21:56,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:21:56,189 INFO L82 PathProgramCache]: Analyzing trace with hash -549920214, now seen corresponding path program 33 times [2019-02-14 16:21:56,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:21:56,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:56,190 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:21:56,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:21:56,190 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:21:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:57,867 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#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; {13026#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,869 INFO L273 TraceCheckUtils]: 1: Hoare triple {13026#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {13027#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,870 INFO L273 TraceCheckUtils]: 2: Hoare triple {13027#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {13028#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,871 INFO L273 TraceCheckUtils]: 3: Hoare triple {13028#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {13029#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:21:57,872 INFO L273 TraceCheckUtils]: 4: Hoare triple {13029#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {13030#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,873 INFO L273 TraceCheckUtils]: 5: Hoare triple {13030#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {13031#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:21:57,874 INFO L273 TraceCheckUtils]: 6: Hoare triple {13031#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {13032#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,875 INFO L273 TraceCheckUtils]: 7: Hoare triple {13032#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {13033#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:21:57,876 INFO L273 TraceCheckUtils]: 8: Hoare triple {13033#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {13034#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,877 INFO L273 TraceCheckUtils]: 9: Hoare triple {13034#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {13035#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,878 INFO L273 TraceCheckUtils]: 10: Hoare triple {13035#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {13036#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,879 INFO L273 TraceCheckUtils]: 11: Hoare triple {13036#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {13037#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:21:57,880 INFO L273 TraceCheckUtils]: 12: Hoare triple {13037#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {13038#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,881 INFO L273 TraceCheckUtils]: 13: Hoare triple {13038#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {13039#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,882 INFO L273 TraceCheckUtils]: 14: Hoare triple {13039#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {13040#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,883 INFO L273 TraceCheckUtils]: 15: Hoare triple {13040#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {13041#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:21:57,884 INFO L273 TraceCheckUtils]: 16: Hoare triple {13041#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {13042#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:21:57,885 INFO L273 TraceCheckUtils]: 17: Hoare triple {13042#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {13043#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,886 INFO L273 TraceCheckUtils]: 18: Hoare triple {13043#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {13044#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,887 INFO L273 TraceCheckUtils]: 19: Hoare triple {13044#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {13045#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,888 INFO L273 TraceCheckUtils]: 20: Hoare triple {13045#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {13046#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:21:57,889 INFO L273 TraceCheckUtils]: 21: Hoare triple {13046#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {13047#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:21:57,890 INFO L273 TraceCheckUtils]: 22: Hoare triple {13047#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {13048#(or (= 22 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:57,891 INFO L273 TraceCheckUtils]: 23: Hoare triple {13048#(or (= 22 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {13049#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,892 INFO L273 TraceCheckUtils]: 24: Hoare triple {13049#(= (+ ULTIMATE.start_main_~j~6 22) 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; {13050#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,893 INFO L273 TraceCheckUtils]: 25: Hoare triple {13050#(= (+ ULTIMATE.start_main_~j~6 21) 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; {13051#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,894 INFO L273 TraceCheckUtils]: 26: Hoare triple {13051#(= (+ ULTIMATE.start_main_~j~6 20) 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; {13052#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,895 INFO L273 TraceCheckUtils]: 27: Hoare triple {13052#(= (+ ULTIMATE.start_main_~j~6 19) 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; {13053#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,896 INFO L273 TraceCheckUtils]: 28: Hoare triple {13053#(= (+ ULTIMATE.start_main_~j~6 18) 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; {13054#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,897 INFO L273 TraceCheckUtils]: 29: Hoare triple {13054#(= (+ ULTIMATE.start_main_~j~6 17) 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; {13055#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,898 INFO L273 TraceCheckUtils]: 30: Hoare triple {13055#(= (+ ULTIMATE.start_main_~j~6 16) 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; {13056#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,899 INFO L273 TraceCheckUtils]: 31: Hoare triple {13056#(= (+ ULTIMATE.start_main_~j~6 15) 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; {13057#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,900 INFO L273 TraceCheckUtils]: 32: Hoare triple {13057#(= (+ ULTIMATE.start_main_~j~6 14) 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; {13058#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,901 INFO L273 TraceCheckUtils]: 33: Hoare triple {13058#(= (+ ULTIMATE.start_main_~j~6 13) 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; {13059#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,902 INFO L273 TraceCheckUtils]: 34: Hoare triple {13059#(= (+ ULTIMATE.start_main_~j~6 12) 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; {13060#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,903 INFO L273 TraceCheckUtils]: 35: Hoare triple {13060#(= (+ ULTIMATE.start_main_~j~6 11) 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; {13061#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,904 INFO L273 TraceCheckUtils]: 36: Hoare triple {13061#(= (+ ULTIMATE.start_main_~j~6 10) 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; {13062#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,905 INFO L273 TraceCheckUtils]: 37: Hoare triple {13062#(= (+ ULTIMATE.start_main_~j~6 9) 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; {13063#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,906 INFO L273 TraceCheckUtils]: 38: Hoare triple {13063#(= (+ ULTIMATE.start_main_~j~6 8) 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; {13064#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,907 INFO L273 TraceCheckUtils]: 39: Hoare triple {13064#(= (+ ULTIMATE.start_main_~j~6 7) 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; {13065#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,908 INFO L273 TraceCheckUtils]: 40: Hoare triple {13065#(= (+ ULTIMATE.start_main_~j~6 6) 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; {13066#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,909 INFO L273 TraceCheckUtils]: 41: Hoare triple {13066#(= (+ ULTIMATE.start_main_~j~6 5) 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; {13067#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,910 INFO L273 TraceCheckUtils]: 42: Hoare triple {13067#(= (+ ULTIMATE.start_main_~j~6 4) 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; {13068#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,911 INFO L273 TraceCheckUtils]: 43: Hoare triple {13068#(= (+ ULTIMATE.start_main_~j~6 3) 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; {13069#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,912 INFO L273 TraceCheckUtils]: 44: Hoare triple {13069#(= (+ ULTIMATE.start_main_~j~6 2) 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; {13070#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:21:57,913 INFO L273 TraceCheckUtils]: 45: Hoare triple {13070#(= (+ 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; {13071#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:21:57,915 INFO L273 TraceCheckUtils]: 46: Hoare triple {13071#(= (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; {13025#false} is VALID [2019-02-14 16:21:57,915 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-02-14 16:21:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:21:57,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:57,919 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:21:57,919 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:21:57,919 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:21:57,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:21:57,919 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:21:57,930 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:21:57,930 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:21:57,970 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:21:57,970 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:21:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:21:58,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:21:59,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:21:59,402 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:59,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:59,409 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:21:59,411 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:59,412 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_380]. (and (= (store v_ULTIMATE.start_main_~str2~6_380 21 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (<= 22 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:59,412 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:21:59,486 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 1: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 2: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 3: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 4: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 5: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 6: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 7: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,487 INFO L273 TraceCheckUtils]: 8: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 9: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 10: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 11: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 12: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 13: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 14: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 15: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 16: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 17: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,488 INFO L273 TraceCheckUtils]: 18: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,489 INFO L273 TraceCheckUtils]: 19: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,489 INFO L273 TraceCheckUtils]: 20: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,489 INFO L273 TraceCheckUtils]: 21: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,489 INFO L273 TraceCheckUtils]: 22: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:21:59,489 INFO L273 TraceCheckUtils]: 23: Hoare triple {13024#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; {13144#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:59,490 INFO L273 TraceCheckUtils]: 24: Hoare triple {13144#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {13148#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:21:59,491 INFO L273 TraceCheckUtils]: 25: Hoare triple {13148#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {13152#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:21:59,491 INFO L273 TraceCheckUtils]: 26: Hoare triple {13152#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {13156#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:21:59,492 INFO L273 TraceCheckUtils]: 27: Hoare triple {13156#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {13160#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:21:59,493 INFO L273 TraceCheckUtils]: 28: Hoare triple {13160#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {13164#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:59,493 INFO L273 TraceCheckUtils]: 29: Hoare triple {13164#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {13168#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:21:59,494 INFO L273 TraceCheckUtils]: 30: Hoare triple {13168#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {13172#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:21:59,495 INFO L273 TraceCheckUtils]: 31: Hoare triple {13172#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {13176#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:21:59,496 INFO L273 TraceCheckUtils]: 32: Hoare triple {13176#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {13180#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:21:59,497 INFO L273 TraceCheckUtils]: 33: Hoare triple {13180#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {13184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:21:59,499 INFO L273 TraceCheckUtils]: 34: Hoare triple {13184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {13188#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:21:59,500 INFO L273 TraceCheckUtils]: 35: Hoare triple {13188#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {13192#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:21:59,501 INFO L273 TraceCheckUtils]: 36: Hoare triple {13192#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {13196#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:21:59,502 INFO L273 TraceCheckUtils]: 37: Hoare triple {13196#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {13200#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:21:59,503 INFO L273 TraceCheckUtils]: 38: Hoare triple {13200#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {13204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:21:59,504 INFO L273 TraceCheckUtils]: 39: Hoare triple {13204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {13208#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:21:59,505 INFO L273 TraceCheckUtils]: 40: Hoare triple {13208#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {13212#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:21:59,506 INFO L273 TraceCheckUtils]: 41: Hoare triple {13212#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {13216#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:21:59,507 INFO L273 TraceCheckUtils]: 42: Hoare triple {13216#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {13220#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:21:59,508 INFO L273 TraceCheckUtils]: 43: Hoare triple {13220#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {13224#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:21:59,509 INFO L273 TraceCheckUtils]: 44: Hoare triple {13224#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {13228#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:21:59,510 INFO L273 TraceCheckUtils]: 45: Hoare triple {13228#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {13232#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:21:59,511 INFO L273 TraceCheckUtils]: 46: Hoare triple {13232#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6))} 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; {13025#false} is VALID [2019-02-14 16:21:59,512 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-02-14 16:21:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-02-14 16:21:59,515 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:21:59,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:21:59,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:21:59,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:21:59,638 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:21:59,641 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:21:59,641 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:21:59,641 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:22:01,758 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-02-14 16:22:01,759 INFO L273 TraceCheckUtils]: 46: Hoare triple {13242#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {13025#false} is VALID [2019-02-14 16:22:01,760 INFO L273 TraceCheckUtils]: 45: Hoare triple {13246#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {13242#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,760 INFO L273 TraceCheckUtils]: 44: Hoare triple {13250#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {13246#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:01,762 INFO L273 TraceCheckUtils]: 43: Hoare triple {13254#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {13250#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:22:01,763 INFO L273 TraceCheckUtils]: 42: Hoare triple {13258#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {13254#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,765 INFO L273 TraceCheckUtils]: 41: Hoare triple {13262#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {13258#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,766 INFO L273 TraceCheckUtils]: 40: Hoare triple {13266#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {13262#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:22:01,768 INFO L273 TraceCheckUtils]: 39: Hoare triple {13270#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {13266#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:01,784 INFO L273 TraceCheckUtils]: 38: Hoare triple {13274#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {13270#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,787 INFO L273 TraceCheckUtils]: 37: Hoare triple {13278#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {13274#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,788 INFO L273 TraceCheckUtils]: 36: Hoare triple {13282#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {13278#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:22:01,788 INFO L273 TraceCheckUtils]: 35: Hoare triple {13286#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {13282#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,789 INFO L273 TraceCheckUtils]: 34: Hoare triple {13290#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {13286#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:22:01,790 INFO L273 TraceCheckUtils]: 33: Hoare triple {13294#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {13290#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,791 INFO L273 TraceCheckUtils]: 32: Hoare triple {13298#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {13294#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:22:01,792 INFO L273 TraceCheckUtils]: 31: Hoare triple {13302#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {13298#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,793 INFO L273 TraceCheckUtils]: 30: Hoare triple {13306#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {13302#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:22:01,794 INFO L273 TraceCheckUtils]: 29: Hoare triple {13310#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {13306#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:22:01,796 INFO L273 TraceCheckUtils]: 28: Hoare triple {13314#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {13310#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:22:01,797 INFO L273 TraceCheckUtils]: 27: Hoare triple {13318#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {13314#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:22:01,798 INFO L273 TraceCheckUtils]: 26: Hoare triple {13322#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {13318#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:22:01,799 INFO L273 TraceCheckUtils]: 25: Hoare triple {13326#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {13322#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:22:01,803 INFO L273 TraceCheckUtils]: 24: Hoare triple {13330#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {13326#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 23: Hoare triple {13024#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; {13330#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 22: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 21: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 20: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 19: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 18: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,804 INFO L273 TraceCheckUtils]: 17: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 16: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 15: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 14: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 13: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 12: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 11: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 10: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 9: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,805 INFO L273 TraceCheckUtils]: 8: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 7: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 6: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 5: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 4: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 3: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 2: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 1: Hoare triple {13024#true} 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; {13024#true} is VALID [2019-02-14 16:22:01,806 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#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; {13024#true} is VALID [2019-02-14 16:22:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-02-14 16:22:01,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:22:01,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 25, 25] total 94 [2019-02-14 16:22:01,828 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:22:01,829 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-02-14 16:22:01,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:22:01,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states. [2019-02-14 16:22:01,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:01,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2019-02-14 16:22:01,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2019-02-14 16:22:01,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=7544, Unknown=0, NotChecked=0, Total=8742 [2019-02-14 16:22:01,911 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 71 states. [2019-02-14 16:22:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:14,229 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-02-14 16:22:14,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-02-14 16:22:14,229 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-02-14 16:22:14,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:22:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-02-14 16:22:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-02-14 16:22:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-02-14 16:22:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-02-14 16:22:14,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 74 states and 81 transitions. [2019-02-14 16:22:14,329 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:14,331 INFO L225 Difference]: With dead ends: 77 [2019-02-14 16:22:14,331 INFO L226 Difference]: Without dead ends: 51 [2019-02-14 16:22:14,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1957, Invalid=12563, Unknown=0, NotChecked=0, Total=14520 [2019-02-14 16:22:14,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-02-14 16:22:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-02-14 16:22:15,225 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:22:15,225 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2019-02-14 16:22:15,225 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-02-14 16:22:15,225 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-02-14 16:22:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:15,226 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-02-14 16:22:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-02-14 16:22:15,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:15,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:15,227 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-02-14 16:22:15,227 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-02-14 16:22:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:15,228 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-02-14 16:22:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-02-14 16:22:15,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:15,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:15,228 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:22:15,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:22:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-02-14 16:22:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-02-14 16:22:15,229 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2019-02-14 16:22:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:22:15,229 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-02-14 16:22:15,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2019-02-14 16:22:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-02-14 16:22:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-02-14 16:22:15,229 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:22:15,229 INFO L402 BasicCegarLoop]: trace histogram [23, 23, 1, 1, 1, 1] [2019-02-14 16:22:15,230 INFO L423 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:22:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:22:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1451759573, now seen corresponding path program 34 times [2019-02-14 16:22:15,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:22:15,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:15,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:22:15,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:15,231 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:22:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:17,195 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#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; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,196 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,197 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,198 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:22:17,199 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,200 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:22:17,203 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,204 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:22:17,204 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,205 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,206 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,207 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:22:17,208 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,209 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,210 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,211 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:22:17,212 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:22:17,213 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,214 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,215 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,216 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,217 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:17,218 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {13833#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:22:17,220 INFO L273 TraceCheckUtils]: 23: Hoare triple {13833#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22)))} 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; {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:17,221 INFO L273 TraceCheckUtils]: 24: Hoare triple {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 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; {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,222 INFO L273 TraceCheckUtils]: 25: Hoare triple {13835#(= (+ ULTIMATE.start_main_~j~6 23) 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; {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,223 INFO L273 TraceCheckUtils]: 26: Hoare triple {13836#(= (+ ULTIMATE.start_main_~j~6 22) 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; {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,224 INFO L273 TraceCheckUtils]: 27: Hoare triple {13837#(= (+ ULTIMATE.start_main_~j~6 21) 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; {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,225 INFO L273 TraceCheckUtils]: 28: Hoare triple {13838#(= (+ ULTIMATE.start_main_~j~6 20) 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; {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,226 INFO L273 TraceCheckUtils]: 29: Hoare triple {13839#(= (+ ULTIMATE.start_main_~j~6 19) 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; {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,227 INFO L273 TraceCheckUtils]: 30: Hoare triple {13840#(= (+ ULTIMATE.start_main_~j~6 18) 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; {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,228 INFO L273 TraceCheckUtils]: 31: Hoare triple {13841#(= (+ ULTIMATE.start_main_~j~6 17) 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; {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,229 INFO L273 TraceCheckUtils]: 32: Hoare triple {13842#(= (+ ULTIMATE.start_main_~j~6 16) 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; {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,230 INFO L273 TraceCheckUtils]: 33: Hoare triple {13843#(= (+ ULTIMATE.start_main_~j~6 15) 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; {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,231 INFO L273 TraceCheckUtils]: 34: Hoare triple {13844#(= (+ ULTIMATE.start_main_~j~6 14) 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; {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,232 INFO L273 TraceCheckUtils]: 35: Hoare triple {13845#(= (+ ULTIMATE.start_main_~j~6 13) 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; {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,233 INFO L273 TraceCheckUtils]: 36: Hoare triple {13846#(= (+ ULTIMATE.start_main_~j~6 12) 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; {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,234 INFO L273 TraceCheckUtils]: 37: Hoare triple {13847#(= (+ ULTIMATE.start_main_~j~6 11) 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; {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,235 INFO L273 TraceCheckUtils]: 38: Hoare triple {13848#(= (+ ULTIMATE.start_main_~j~6 10) 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; {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,236 INFO L273 TraceCheckUtils]: 39: Hoare triple {13849#(= (+ ULTIMATE.start_main_~j~6 9) 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; {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,237 INFO L273 TraceCheckUtils]: 40: Hoare triple {13850#(= (+ ULTIMATE.start_main_~j~6 8) 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; {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,238 INFO L273 TraceCheckUtils]: 41: Hoare triple {13851#(= (+ ULTIMATE.start_main_~j~6 7) 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; {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,239 INFO L273 TraceCheckUtils]: 42: Hoare triple {13852#(= (+ ULTIMATE.start_main_~j~6 6) 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; {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,240 INFO L273 TraceCheckUtils]: 43: Hoare triple {13853#(= (+ ULTIMATE.start_main_~j~6 5) 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; {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,241 INFO L273 TraceCheckUtils]: 44: Hoare triple {13854#(= (+ ULTIMATE.start_main_~j~6 4) 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; {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,242 INFO L273 TraceCheckUtils]: 45: Hoare triple {13855#(= (+ ULTIMATE.start_main_~j~6 3) 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; {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,243 INFO L273 TraceCheckUtils]: 46: Hoare triple {13856#(= (+ ULTIMATE.start_main_~j~6 2) 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; {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:17,244 INFO L273 TraceCheckUtils]: 47: Hoare triple {13857#(= (+ 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; {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:22:17,246 INFO L273 TraceCheckUtils]: 48: Hoare triple {13858#(= (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; {13810#false} is VALID [2019-02-14 16:22:17,246 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-02-14 16:22:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:17,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:17,250 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:22:17,250 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:22:17,250 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:22:17,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:17,251 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:22:17,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:22:17,259 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:22:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:17,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:22:19,811 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:22:19,813 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:22:19,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:22:19,819 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:22:19,821 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:22:19,822 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_403]. (and (= (store v_ULTIMATE.start_main_~str2~6_403 22 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23)) [2019-02-14 16:22:19,822 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23)) [2019-02-14 16:22:19,897 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#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; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,898 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,899 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,900 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:22:19,901 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,902 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:22:19,903 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,904 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:22:19,905 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,906 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,907 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,908 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:22:19,909 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,910 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,911 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,912 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:22:19,913 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:22:19,914 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,915 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,916 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,920 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,921 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:19,921 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:22:19,922 INFO L273 TraceCheckUtils]: 23: Hoare triple {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {13932#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:22:19,923 INFO L273 TraceCheckUtils]: 24: Hoare triple {13932#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {13936#(and (= ULTIMATE.start_main_~j~6 0) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,923 INFO L273 TraceCheckUtils]: 25: Hoare triple {13936#(and (= ULTIMATE.start_main_~j~6 0) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13940#(and (= ULTIMATE.start_main_~j~6 1) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,924 INFO L273 TraceCheckUtils]: 26: Hoare triple {13940#(and (= ULTIMATE.start_main_~j~6 1) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13944#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:22:19,925 INFO L273 TraceCheckUtils]: 27: Hoare triple {13944#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 2))} 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; {13948#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,926 INFO L273 TraceCheckUtils]: 28: Hoare triple {13948#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13952#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,927 INFO L273 TraceCheckUtils]: 29: Hoare triple {13952#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13956#(and (= ULTIMATE.start_main_~j~6 5) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,927 INFO L273 TraceCheckUtils]: 30: Hoare triple {13956#(and (= ULTIMATE.start_main_~j~6 5) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13960#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:22:19,928 INFO L273 TraceCheckUtils]: 31: Hoare triple {13960#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 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; {13964#(and (= ULTIMATE.start_main_~j~6 7) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,929 INFO L273 TraceCheckUtils]: 32: Hoare triple {13964#(and (= ULTIMATE.start_main_~j~6 7) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13968#(and (= ULTIMATE.start_main_~j~6 8) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,930 INFO L273 TraceCheckUtils]: 33: Hoare triple {13968#(and (= ULTIMATE.start_main_~j~6 8) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13972#(and (= ULTIMATE.start_main_~j~6 9) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,931 INFO L273 TraceCheckUtils]: 34: Hoare triple {13972#(and (= ULTIMATE.start_main_~j~6 9) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13976#(and (= ULTIMATE.start_main_~j~6 10) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,932 INFO L273 TraceCheckUtils]: 35: Hoare triple {13976#(and (= ULTIMATE.start_main_~j~6 10) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13980#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:22:19,933 INFO L273 TraceCheckUtils]: 36: Hoare triple {13980#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 11))} 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; {13984#(and (= ULTIMATE.start_main_~j~6 12) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,933 INFO L273 TraceCheckUtils]: 37: Hoare triple {13984#(and (= ULTIMATE.start_main_~j~6 12) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13988#(and (= ULTIMATE.start_main_~j~6 13) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,934 INFO L273 TraceCheckUtils]: 38: Hoare triple {13988#(and (= ULTIMATE.start_main_~j~6 13) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13992#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,935 INFO L273 TraceCheckUtils]: 39: Hoare triple {13992#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13996#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:22:19,936 INFO L273 TraceCheckUtils]: 40: Hoare triple {13996#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 15))} 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; {14000#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,937 INFO L273 TraceCheckUtils]: 41: Hoare triple {14000#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14004#(and (= ULTIMATE.start_main_~j~6 17) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,938 INFO L273 TraceCheckUtils]: 42: Hoare triple {14004#(and (= ULTIMATE.start_main_~j~6 17) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14008#(and (= ULTIMATE.start_main_~j~6 18) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,939 INFO L273 TraceCheckUtils]: 43: Hoare triple {14008#(and (= ULTIMATE.start_main_~j~6 18) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14012#(and (= ULTIMATE.start_main_~j~6 19) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,940 INFO L273 TraceCheckUtils]: 44: Hoare triple {14012#(and (= ULTIMATE.start_main_~j~6 19) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14016#(and (= ULTIMATE.start_main_~j~6 20) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,941 INFO L273 TraceCheckUtils]: 45: Hoare triple {14016#(and (= ULTIMATE.start_main_~j~6 20) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14020#(and (= ULTIMATE.start_main_~j~6 21) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,941 INFO L273 TraceCheckUtils]: 46: Hoare triple {14020#(and (= ULTIMATE.start_main_~j~6 21) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {14024#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:22:19,942 INFO L273 TraceCheckUtils]: 47: Hoare triple {14024#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 22))} 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; {14028#(and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2019-02-14 16:22:19,944 INFO L273 TraceCheckUtils]: 48: Hoare triple {14028#(and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} 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; {13810#false} is VALID [2019-02-14 16:22:19,944 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-02-14 16:22:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:19,950 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:22:19,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:22:19,981 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:22:19,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:22:19,986 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:22:19,988 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:22:19,988 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:22:19,988 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:22:20,620 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-02-14 16:22:20,621 INFO L273 TraceCheckUtils]: 48: Hoare triple {13858#(= (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; {13810#false} is VALID [2019-02-14 16:22:20,622 INFO L273 TraceCheckUtils]: 47: Hoare triple {13857#(= (+ 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; {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:22:20,623 INFO L273 TraceCheckUtils]: 46: Hoare triple {13856#(= (+ ULTIMATE.start_main_~j~6 2) 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; {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,624 INFO L273 TraceCheckUtils]: 45: Hoare triple {13855#(= (+ ULTIMATE.start_main_~j~6 3) 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; {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,625 INFO L273 TraceCheckUtils]: 44: Hoare triple {13854#(= (+ ULTIMATE.start_main_~j~6 4) 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; {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,626 INFO L273 TraceCheckUtils]: 43: Hoare triple {13853#(= (+ ULTIMATE.start_main_~j~6 5) 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; {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,627 INFO L273 TraceCheckUtils]: 42: Hoare triple {13852#(= (+ ULTIMATE.start_main_~j~6 6) 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; {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,628 INFO L273 TraceCheckUtils]: 41: Hoare triple {13851#(= (+ ULTIMATE.start_main_~j~6 7) 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; {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,629 INFO L273 TraceCheckUtils]: 40: Hoare triple {13850#(= (+ ULTIMATE.start_main_~j~6 8) 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; {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,630 INFO L273 TraceCheckUtils]: 39: Hoare triple {13849#(= (+ ULTIMATE.start_main_~j~6 9) 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; {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,631 INFO L273 TraceCheckUtils]: 38: Hoare triple {13848#(= (+ ULTIMATE.start_main_~j~6 10) 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; {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,632 INFO L273 TraceCheckUtils]: 37: Hoare triple {13847#(= (+ ULTIMATE.start_main_~j~6 11) 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; {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,633 INFO L273 TraceCheckUtils]: 36: Hoare triple {13846#(= (+ ULTIMATE.start_main_~j~6 12) 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; {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,634 INFO L273 TraceCheckUtils]: 35: Hoare triple {13845#(= (+ ULTIMATE.start_main_~j~6 13) 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; {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,635 INFO L273 TraceCheckUtils]: 34: Hoare triple {13844#(= (+ ULTIMATE.start_main_~j~6 14) 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; {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,636 INFO L273 TraceCheckUtils]: 33: Hoare triple {13843#(= (+ ULTIMATE.start_main_~j~6 15) 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; {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,637 INFO L273 TraceCheckUtils]: 32: Hoare triple {13842#(= (+ ULTIMATE.start_main_~j~6 16) 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; {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,638 INFO L273 TraceCheckUtils]: 31: Hoare triple {13841#(= (+ ULTIMATE.start_main_~j~6 17) 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; {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,639 INFO L273 TraceCheckUtils]: 30: Hoare triple {13840#(= (+ ULTIMATE.start_main_~j~6 18) 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; {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,640 INFO L273 TraceCheckUtils]: 29: Hoare triple {13839#(= (+ ULTIMATE.start_main_~j~6 19) 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; {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,642 INFO L273 TraceCheckUtils]: 28: Hoare triple {13838#(= (+ ULTIMATE.start_main_~j~6 20) 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; {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,643 INFO L273 TraceCheckUtils]: 27: Hoare triple {13837#(= (+ ULTIMATE.start_main_~j~6 21) 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; {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,644 INFO L273 TraceCheckUtils]: 26: Hoare triple {13836#(= (+ ULTIMATE.start_main_~j~6 22) 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; {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,645 INFO L273 TraceCheckUtils]: 25: Hoare triple {13835#(= (+ ULTIMATE.start_main_~j~6 23) 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; {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,646 INFO L273 TraceCheckUtils]: 24: Hoare triple {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 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; {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:20,647 INFO L273 TraceCheckUtils]: 23: Hoare triple {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:20,648 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:22:20,649 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,650 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,651 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,652 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,653 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,654 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:22:20,655 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:22:20,656 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,657 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,658 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,659 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:22:20,660 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,661 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,662 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,663 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:22:20,664 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,665 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:22:20,666 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,667 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:22:20,668 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,669 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,670 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#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; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:20,692 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:22:20,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 75 [2019-02-14 16:22:20,692 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:22:20,693 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-02-14 16:22:20,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:22:20,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 76 states. [2019-02-14 16:22:20,769 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:20,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 76 states [2019-02-14 16:22:20,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2019-02-14 16:22:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5477, Unknown=0, NotChecked=0, Total=5700 [2019-02-14 16:22:20,770 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 76 states. [2019-02-14 16:22:30,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:30,685 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2019-02-14 16:22:30,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-02-14 16:22:30,685 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-02-14 16:22:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:22:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-02-14 16:22:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-02-14 16:22:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-02-14 16:22:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-02-14 16:22:30,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states and 58 transitions. [2019-02-14 16:22:30,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:30,749 INFO L225 Difference]: With dead ends: 78 [2019-02-14 16:22:30,750 INFO L226 Difference]: Without dead ends: 52 [2019-02-14 16:22:30,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 55 SyntacticMatches, 18 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=472, Invalid=9830, Unknown=0, NotChecked=0, Total=10302 [2019-02-14 16:22:30,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-02-14 16:22:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-02-14 16:22:31,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:22:31,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2019-02-14 16:22:31,713 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-02-14 16:22:31,713 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-02-14 16:22:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:31,714 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-02-14 16:22:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-02-14 16:22:31,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:31,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:31,715 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-02-14 16:22:31,715 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-02-14 16:22:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:31,716 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-02-14 16:22:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-02-14 16:22:31,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:31,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:31,717 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:22:31,717 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:22:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-02-14 16:22:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-02-14 16:22:31,717 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 50 [2019-02-14 16:22:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:22:31,718 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-02-14 16:22:31,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 76 states. [2019-02-14 16:22:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-02-14 16:22:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-02-14 16:22:31,718 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:22:31,719 INFO L402 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1, 1] [2019-02-14 16:22:31,719 INFO L423 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:22:31,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:22:31,719 INFO L82 PathProgramCache]: Analyzing trace with hash -596041908, now seen corresponding path program 35 times [2019-02-14 16:22:31,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:22:31,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:31,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:22:31,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:31,720 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:22:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:32,728 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,729 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,730 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,731 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,732 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,733 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,734 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,735 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,736 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,737 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,738 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,738 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,739 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,740 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,741 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,742 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,743 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,744 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,745 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,746 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,747 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,748 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,749 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,750 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,751 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:32,752 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,752 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,753 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,754 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,755 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,756 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,757 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,758 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,759 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,760 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,761 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,762 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,763 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,764 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,765 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,766 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,767 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,767 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,768 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,769 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,770 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,771 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,772 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,773 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:32,774 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} 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; {14593#false} is VALID [2019-02-14 16:22:32,774 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-02-14 16:22:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:32,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:32,777 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:22:32,777 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:22:32,777 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:22:32,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:32,777 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:22:32,785 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:22:32,786 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:22:32,887 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-02-14 16:22:32,887 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:22:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:32,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:22:33,152 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,153 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,154 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,155 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,156 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,157 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,158 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,159 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,160 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,161 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,162 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,163 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,164 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,165 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,166 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,167 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,168 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,169 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,170 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,170 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,171 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,172 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,173 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,174 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,175 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:33,176 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,177 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,178 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,179 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,180 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,181 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,182 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,183 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,184 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,184 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,185 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,186 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,187 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,188 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,189 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,190 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,191 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,192 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,193 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,194 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,195 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,196 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,196 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,197 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,198 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} 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; {14593#false} is VALID [2019-02-14 16:22:33,198 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-02-14 16:22:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:33,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:22:33,953 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-02-14 16:22:33,954 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} 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; {14593#false} is VALID [2019-02-14 16:22:33,955 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,955 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,956 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,957 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,958 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,959 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,959 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,960 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,961 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,962 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,963 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,964 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,965 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,966 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,967 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,968 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,969 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,970 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,971 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,972 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,973 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,973 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,974 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,975 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,976 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~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; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:33,977 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~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; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,978 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~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; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,979 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~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; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,980 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~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; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,981 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~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; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,982 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~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; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,983 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~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; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,984 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~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; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,985 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~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; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,986 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~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; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,987 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~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; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,988 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~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; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,988 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~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; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,989 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~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; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,990 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~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; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,991 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~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; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,992 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~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; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,993 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~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; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,994 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~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; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,995 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~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; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,996 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~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; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,997 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~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; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,998 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~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; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:33,999 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#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; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:22:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:34,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:22:34,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 26 [2019-02-14 16:22:34,022 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:22:34,022 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-02-14 16:22:34,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:22:34,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2019-02-14 16:22:34,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:34,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-02-14 16:22:34,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-02-14 16:22:34,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2019-02-14 16:22:34,083 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 27 states. [2019-02-14 16:22:35,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:35,776 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-02-14 16:22:35,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-02-14 16:22:35,776 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-02-14 16:22:35,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:22:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-02-14 16:22:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-02-14 16:22:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-02-14 16:22:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-02-14 16:22:35,778 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 51 states and 56 transitions. [2019-02-14 16:22:35,827 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:35,829 INFO L225 Difference]: With dead ends: 55 [2019-02-14 16:22:35,829 INFO L226 Difference]: Without dead ends: 53 [2019-02-14 16:22:35,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 77 SyntacticMatches, 48 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2019-02-14 16:22:35,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-02-14 16:22:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-02-14 16:22:36,845 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:22:36,845 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2019-02-14 16:22:36,845 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-02-14 16:22:36,845 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-02-14 16:22:36,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:36,846 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-02-14 16:22:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-02-14 16:22:36,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:36,847 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:36,847 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-02-14 16:22:36,847 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-02-14 16:22:36,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:36,848 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-02-14 16:22:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-02-14 16:22:36,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:36,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:36,848 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:22:36,848 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:22:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-02-14 16:22:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-02-14 16:22:36,849 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 51 [2019-02-14 16:22:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:22:36,849 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-02-14 16:22:36,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-02-14 16:22:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-02-14 16:22:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-02-14 16:22:36,850 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:22:36,850 INFO L402 BasicCegarLoop]: trace histogram [24, 24, 1, 1, 1, 1] [2019-02-14 16:22:36,850 INFO L423 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:22:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:22:36,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1297428150, now seen corresponding path program 36 times [2019-02-14 16:22:36,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:22:36,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:36,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:22:36,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:36,851 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:22:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:38,931 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#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; {15288#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,932 INFO L273 TraceCheckUtils]: 1: Hoare triple {15288#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {15289#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,932 INFO L273 TraceCheckUtils]: 2: Hoare triple {15289#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {15290#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,933 INFO L273 TraceCheckUtils]: 3: Hoare triple {15290#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {15291#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:22:38,934 INFO L273 TraceCheckUtils]: 4: Hoare triple {15291#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {15292#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,934 INFO L273 TraceCheckUtils]: 5: Hoare triple {15292#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {15293#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:22:38,936 INFO L273 TraceCheckUtils]: 6: Hoare triple {15293#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {15294#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,937 INFO L273 TraceCheckUtils]: 7: Hoare triple {15294#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {15295#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:22:38,938 INFO L273 TraceCheckUtils]: 8: Hoare triple {15295#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {15296#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,939 INFO L273 TraceCheckUtils]: 9: Hoare triple {15296#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {15297#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,940 INFO L273 TraceCheckUtils]: 10: Hoare triple {15297#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {15298#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,941 INFO L273 TraceCheckUtils]: 11: Hoare triple {15298#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {15299#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:22:38,942 INFO L273 TraceCheckUtils]: 12: Hoare triple {15299#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {15300#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,943 INFO L273 TraceCheckUtils]: 13: Hoare triple {15300#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {15301#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,944 INFO L273 TraceCheckUtils]: 14: Hoare triple {15301#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {15302#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,945 INFO L273 TraceCheckUtils]: 15: Hoare triple {15302#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {15303#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:22:38,946 INFO L273 TraceCheckUtils]: 16: Hoare triple {15303#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {15304#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:22:38,947 INFO L273 TraceCheckUtils]: 17: Hoare triple {15304#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {15305#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,948 INFO L273 TraceCheckUtils]: 18: Hoare triple {15305#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {15306#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,949 INFO L273 TraceCheckUtils]: 19: Hoare triple {15306#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {15307#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,950 INFO L273 TraceCheckUtils]: 20: Hoare triple {15307#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {15308#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,951 INFO L273 TraceCheckUtils]: 21: Hoare triple {15308#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {15309#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:38,952 INFO L273 TraceCheckUtils]: 22: Hoare triple {15309#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {15310#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:22:38,953 INFO L273 TraceCheckUtils]: 23: Hoare triple {15310#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {15311#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23)))} is VALID [2019-02-14 16:22:38,954 INFO L273 TraceCheckUtils]: 24: Hoare triple {15311#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23)))} 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; {15312#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 24 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:38,955 INFO L273 TraceCheckUtils]: 25: Hoare triple {15312#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 24 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; {15313#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,956 INFO L273 TraceCheckUtils]: 26: Hoare triple {15313#(= (+ ULTIMATE.start_main_~j~6 24) 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; {15314#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,957 INFO L273 TraceCheckUtils]: 27: Hoare triple {15314#(= (+ ULTIMATE.start_main_~j~6 23) 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; {15315#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,958 INFO L273 TraceCheckUtils]: 28: Hoare triple {15315#(= (+ ULTIMATE.start_main_~j~6 22) 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; {15316#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,959 INFO L273 TraceCheckUtils]: 29: Hoare triple {15316#(= (+ ULTIMATE.start_main_~j~6 21) 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; {15317#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,960 INFO L273 TraceCheckUtils]: 30: Hoare triple {15317#(= (+ ULTIMATE.start_main_~j~6 20) 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; {15318#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,962 INFO L273 TraceCheckUtils]: 31: Hoare triple {15318#(= (+ ULTIMATE.start_main_~j~6 19) 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; {15319#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,963 INFO L273 TraceCheckUtils]: 32: Hoare triple {15319#(= (+ ULTIMATE.start_main_~j~6 18) 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; {15320#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,964 INFO L273 TraceCheckUtils]: 33: Hoare triple {15320#(= (+ ULTIMATE.start_main_~j~6 17) 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; {15321#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,965 INFO L273 TraceCheckUtils]: 34: Hoare triple {15321#(= (+ ULTIMATE.start_main_~j~6 16) 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; {15322#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,966 INFO L273 TraceCheckUtils]: 35: Hoare triple {15322#(= (+ ULTIMATE.start_main_~j~6 15) 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; {15323#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,967 INFO L273 TraceCheckUtils]: 36: Hoare triple {15323#(= (+ ULTIMATE.start_main_~j~6 14) 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; {15324#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,968 INFO L273 TraceCheckUtils]: 37: Hoare triple {15324#(= (+ ULTIMATE.start_main_~j~6 13) 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; {15325#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,969 INFO L273 TraceCheckUtils]: 38: Hoare triple {15325#(= (+ ULTIMATE.start_main_~j~6 12) 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; {15326#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,970 INFO L273 TraceCheckUtils]: 39: Hoare triple {15326#(= (+ ULTIMATE.start_main_~j~6 11) 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; {15327#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,971 INFO L273 TraceCheckUtils]: 40: Hoare triple {15327#(= (+ ULTIMATE.start_main_~j~6 10) 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; {15328#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,972 INFO L273 TraceCheckUtils]: 41: Hoare triple {15328#(= (+ ULTIMATE.start_main_~j~6 9) 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; {15329#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,973 INFO L273 TraceCheckUtils]: 42: Hoare triple {15329#(= (+ ULTIMATE.start_main_~j~6 8) 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; {15330#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,974 INFO L273 TraceCheckUtils]: 43: Hoare triple {15330#(= (+ ULTIMATE.start_main_~j~6 7) 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; {15331#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,975 INFO L273 TraceCheckUtils]: 44: Hoare triple {15331#(= (+ ULTIMATE.start_main_~j~6 6) 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; {15332#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,976 INFO L273 TraceCheckUtils]: 45: Hoare triple {15332#(= (+ ULTIMATE.start_main_~j~6 5) 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; {15333#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,977 INFO L273 TraceCheckUtils]: 46: Hoare triple {15333#(= (+ ULTIMATE.start_main_~j~6 4) 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; {15334#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,978 INFO L273 TraceCheckUtils]: 47: Hoare triple {15334#(= (+ ULTIMATE.start_main_~j~6 3) 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; {15335#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,979 INFO L273 TraceCheckUtils]: 48: Hoare triple {15335#(= (+ ULTIMATE.start_main_~j~6 2) 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; {15336#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:22:38,980 INFO L273 TraceCheckUtils]: 49: Hoare triple {15336#(= (+ 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; {15337#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:22:38,981 INFO L273 TraceCheckUtils]: 50: Hoare triple {15337#(= (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; {15287#false} is VALID [2019-02-14 16:22:38,981 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-02-14 16:22:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:22:38,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:38,986 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:22:38,986 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:22:38,986 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:22:38,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:22:38,987 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:22:38,997 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:22:38,997 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:22:39,028 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:22:39,028 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:22:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:22:39,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:22:40,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:22:40,738 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:22:40,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:22:40,746 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:22:40,749 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:22:40,749 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_450]. (and (<= 24 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_450 23 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25))) [2019-02-14 16:22:40,749 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25))) [2019-02-14 16:22:40,832 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#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; {15286#true} is VALID [2019-02-14 16:22:40,832 INFO L273 TraceCheckUtils]: 1: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,832 INFO L273 TraceCheckUtils]: 2: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,833 INFO L273 TraceCheckUtils]: 3: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,833 INFO L273 TraceCheckUtils]: 4: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,833 INFO L273 TraceCheckUtils]: 5: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,833 INFO L273 TraceCheckUtils]: 6: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,833 INFO L273 TraceCheckUtils]: 7: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,834 INFO L273 TraceCheckUtils]: 8: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,834 INFO L273 TraceCheckUtils]: 9: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,834 INFO L273 TraceCheckUtils]: 10: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,834 INFO L273 TraceCheckUtils]: 11: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,834 INFO L273 TraceCheckUtils]: 12: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 13: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 14: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 15: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 16: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 17: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 18: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 19: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 20: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 21: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,835 INFO L273 TraceCheckUtils]: 22: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,836 INFO L273 TraceCheckUtils]: 23: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,836 INFO L273 TraceCheckUtils]: 24: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:40,836 INFO L273 TraceCheckUtils]: 25: Hoare triple {15286#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; {15416#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:40,837 INFO L273 TraceCheckUtils]: 26: Hoare triple {15416#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {15420#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:22:40,838 INFO L273 TraceCheckUtils]: 27: Hoare triple {15420#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {15424#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:22:40,838 INFO L273 TraceCheckUtils]: 28: Hoare triple {15424#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {15428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:22:40,839 INFO L273 TraceCheckUtils]: 29: Hoare triple {15428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {15432#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:22:40,840 INFO L273 TraceCheckUtils]: 30: Hoare triple {15432#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {15436#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:40,841 INFO L273 TraceCheckUtils]: 31: Hoare triple {15436#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {15440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:22:40,842 INFO L273 TraceCheckUtils]: 32: Hoare triple {15440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {15444#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:22:40,843 INFO L273 TraceCheckUtils]: 33: Hoare triple {15444#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {15448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:22:40,844 INFO L273 TraceCheckUtils]: 34: Hoare triple {15448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {15452#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:22:40,846 INFO L273 TraceCheckUtils]: 35: Hoare triple {15452#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {15456#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:22:40,847 INFO L273 TraceCheckUtils]: 36: Hoare triple {15456#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {15460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:22:40,848 INFO L273 TraceCheckUtils]: 37: Hoare triple {15460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {15464#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:22:40,849 INFO L273 TraceCheckUtils]: 38: Hoare triple {15464#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {15468#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:22:40,850 INFO L273 TraceCheckUtils]: 39: Hoare triple {15468#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {15472#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:22:40,851 INFO L273 TraceCheckUtils]: 40: Hoare triple {15472#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {15476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:22:40,852 INFO L273 TraceCheckUtils]: 41: Hoare triple {15476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {15480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:22:40,853 INFO L273 TraceCheckUtils]: 42: Hoare triple {15480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {15484#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:22:40,854 INFO L273 TraceCheckUtils]: 43: Hoare triple {15484#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {15488#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:22:40,855 INFO L273 TraceCheckUtils]: 44: Hoare triple {15488#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {15492#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:22:40,856 INFO L273 TraceCheckUtils]: 45: Hoare triple {15492#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {15496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:22:40,857 INFO L273 TraceCheckUtils]: 46: Hoare triple {15496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {15500#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:22:40,858 INFO L273 TraceCheckUtils]: 47: Hoare triple {15500#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {15504#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:22:40,859 INFO L273 TraceCheckUtils]: 48: Hoare triple {15504#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {15508#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:22:40,861 INFO L273 TraceCheckUtils]: 49: Hoare triple {15508#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {15512#(and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:22:40,862 INFO L273 TraceCheckUtils]: 50: Hoare triple {15512#(and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {15287#false} is VALID [2019-02-14 16:22:40,862 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-02-14 16:22:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-02-14 16:22:40,867 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:22:40,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:22:40,985 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:22:40,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:22:40,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:22:43,297 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-02-14 16:22:43,298 INFO L273 TraceCheckUtils]: 50: Hoare triple {15522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {15287#false} is VALID [2019-02-14 16:22:43,300 INFO L273 TraceCheckUtils]: 49: Hoare triple {15526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {15522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,301 INFO L273 TraceCheckUtils]: 48: Hoare triple {15530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {15526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:43,302 INFO L273 TraceCheckUtils]: 47: Hoare triple {15534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {15530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:22:43,303 INFO L273 TraceCheckUtils]: 46: Hoare triple {15538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {15534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,304 INFO L273 TraceCheckUtils]: 45: Hoare triple {15542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {15538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,306 INFO L273 TraceCheckUtils]: 44: Hoare triple {15546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {15542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:22:43,307 INFO L273 TraceCheckUtils]: 43: Hoare triple {15550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {15546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:22:43,308 INFO L273 TraceCheckUtils]: 42: Hoare triple {15554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {15550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,309 INFO L273 TraceCheckUtils]: 41: Hoare triple {15558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {15554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,310 INFO L273 TraceCheckUtils]: 40: Hoare triple {15562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {15558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:22:43,311 INFO L273 TraceCheckUtils]: 39: Hoare triple {15566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {15562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,313 INFO L273 TraceCheckUtils]: 38: Hoare triple {15570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {15566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:22:43,314 INFO L273 TraceCheckUtils]: 37: Hoare triple {15574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {15570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,315 INFO L273 TraceCheckUtils]: 36: Hoare triple {15578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {15574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:22:43,316 INFO L273 TraceCheckUtils]: 35: Hoare triple {15582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {15578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,317 INFO L273 TraceCheckUtils]: 34: Hoare triple {15586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {15582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:22:43,318 INFO L273 TraceCheckUtils]: 33: Hoare triple {15590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {15586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:22:43,320 INFO L273 TraceCheckUtils]: 32: Hoare triple {15594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {15590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:22:43,321 INFO L273 TraceCheckUtils]: 31: Hoare triple {15598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {15594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:22:43,322 INFO L273 TraceCheckUtils]: 30: Hoare triple {15602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {15598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:22:43,323 INFO L273 TraceCheckUtils]: 29: Hoare triple {15606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {15602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:22:43,324 INFO L273 TraceCheckUtils]: 28: Hoare triple {15610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {15606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,325 INFO L273 TraceCheckUtils]: 27: Hoare triple {15614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {15610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:22:43,327 INFO L273 TraceCheckUtils]: 26: Hoare triple {15618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {15614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,328 INFO L273 TraceCheckUtils]: 25: Hoare triple {15286#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; {15618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:22:43,328 INFO L273 TraceCheckUtils]: 24: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,328 INFO L273 TraceCheckUtils]: 23: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,328 INFO L273 TraceCheckUtils]: 22: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 21: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 20: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 19: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 18: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 17: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,329 INFO L273 TraceCheckUtils]: 16: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,330 INFO L273 TraceCheckUtils]: 15: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,330 INFO L273 TraceCheckUtils]: 14: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,330 INFO L273 TraceCheckUtils]: 13: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,330 INFO L273 TraceCheckUtils]: 12: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,330 INFO L273 TraceCheckUtils]: 11: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,331 INFO L273 TraceCheckUtils]: 10: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,331 INFO L273 TraceCheckUtils]: 9: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,331 INFO L273 TraceCheckUtils]: 8: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,331 INFO L273 TraceCheckUtils]: 7: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,331 INFO L273 TraceCheckUtils]: 6: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 5: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 4: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 3: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 2: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 1: Hoare triple {15286#true} 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; {15286#true} is VALID [2019-02-14 16:22:43,332 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#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; {15286#true} is VALID [2019-02-14 16:22:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-02-14 16:22:43,356 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:22:43,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 27, 27] total 102 [2019-02-14 16:22:43,356 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:22:43,357 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-02-14 16:22:43,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:22:43,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states. [2019-02-14 16:22:43,437 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:43,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2019-02-14 16:22:43,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2019-02-14 16:22:43,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1402, Invalid=8900, Unknown=0, NotChecked=0, Total=10302 [2019-02-14 16:22:43,438 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 77 states. [2019-02-14 16:22:57,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:57,303 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2019-02-14 16:22:57,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2019-02-14 16:22:57,303 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-02-14 16:22:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:22:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-02-14 16:22:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-02-14 16:22:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-02-14 16:22:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-02-14 16:22:57,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 80 states and 87 transitions. [2019-02-14 16:22:57,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:22:57,408 INFO L225 Difference]: With dead ends: 83 [2019-02-14 16:22:57,408 INFO L226 Difference]: Without dead ends: 55 [2019-02-14 16:22:57,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=2275, Invalid=14755, Unknown=0, NotChecked=0, Total=17030 [2019-02-14 16:22:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-02-14 16:22:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-02-14 16:22:58,770 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:22:58,770 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2019-02-14 16:22:58,770 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-02-14 16:22:58,770 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-02-14 16:22:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:58,772 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-02-14 16:22:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-02-14 16:22:58,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:58,772 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:58,772 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-02-14 16:22:58,772 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-02-14 16:22:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:22:58,774 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-02-14 16:22:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-02-14 16:22:58,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:22:58,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:22:58,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:22:58,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:22:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-02-14 16:22:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2019-02-14 16:22:58,776 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2019-02-14 16:22:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:22:58,776 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2019-02-14 16:22:58,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2019-02-14 16:22:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-02-14 16:22:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-02-14 16:22:58,777 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:22:58,777 INFO L402 BasicCegarLoop]: trace histogram [25, 25, 1, 1, 1, 1] [2019-02-14 16:22:58,777 INFO L423 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:22:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:22:58,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1904013259, now seen corresponding path program 37 times [2019-02-14 16:22:58,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:22:58,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:58,778 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:22:58,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:22:58,779 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:22:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:00,603 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#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; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,605 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,606 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,607 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:00,608 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,609 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:00,610 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,611 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:00,612 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,613 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,614 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,615 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:00,616 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,617 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,618 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,619 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:00,620 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:00,620 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,621 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,621 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,622 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,623 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:00,624 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:00,625 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:00,626 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {16161#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:23:00,627 INFO L273 TraceCheckUtils]: 25: Hoare triple {16161#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:00,628 INFO L273 TraceCheckUtils]: 26: Hoare triple {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 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; {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,629 INFO L273 TraceCheckUtils]: 27: Hoare triple {16163#(= (+ ULTIMATE.start_main_~j~6 25) 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; {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,633 INFO L273 TraceCheckUtils]: 28: Hoare triple {16164#(= (+ ULTIMATE.start_main_~j~6 24) 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; {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,634 INFO L273 TraceCheckUtils]: 29: Hoare triple {16165#(= (+ ULTIMATE.start_main_~j~6 23) 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; {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,634 INFO L273 TraceCheckUtils]: 30: Hoare triple {16166#(= (+ ULTIMATE.start_main_~j~6 22) 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; {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,635 INFO L273 TraceCheckUtils]: 31: Hoare triple {16167#(= (+ ULTIMATE.start_main_~j~6 21) 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; {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,636 INFO L273 TraceCheckUtils]: 32: Hoare triple {16168#(= (+ ULTIMATE.start_main_~j~6 20) 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; {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,637 INFO L273 TraceCheckUtils]: 33: Hoare triple {16169#(= (+ ULTIMATE.start_main_~j~6 19) 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; {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,638 INFO L273 TraceCheckUtils]: 34: Hoare triple {16170#(= (+ ULTIMATE.start_main_~j~6 18) 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; {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,639 INFO L273 TraceCheckUtils]: 35: Hoare triple {16171#(= (+ ULTIMATE.start_main_~j~6 17) 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; {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,640 INFO L273 TraceCheckUtils]: 36: Hoare triple {16172#(= (+ ULTIMATE.start_main_~j~6 16) 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; {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,641 INFO L273 TraceCheckUtils]: 37: Hoare triple {16173#(= (+ ULTIMATE.start_main_~j~6 15) 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; {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,642 INFO L273 TraceCheckUtils]: 38: Hoare triple {16174#(= (+ ULTIMATE.start_main_~j~6 14) 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; {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,643 INFO L273 TraceCheckUtils]: 39: Hoare triple {16175#(= (+ ULTIMATE.start_main_~j~6 13) 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; {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,644 INFO L273 TraceCheckUtils]: 40: Hoare triple {16176#(= (+ ULTIMATE.start_main_~j~6 12) 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; {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,661 INFO L273 TraceCheckUtils]: 41: Hoare triple {16177#(= (+ ULTIMATE.start_main_~j~6 11) 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; {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,664 INFO L273 TraceCheckUtils]: 42: Hoare triple {16178#(= (+ ULTIMATE.start_main_~j~6 10) 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; {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,664 INFO L273 TraceCheckUtils]: 43: Hoare triple {16179#(= (+ ULTIMATE.start_main_~j~6 9) 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; {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,665 INFO L273 TraceCheckUtils]: 44: Hoare triple {16180#(= (+ ULTIMATE.start_main_~j~6 8) 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; {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,666 INFO L273 TraceCheckUtils]: 45: Hoare triple {16181#(= (+ ULTIMATE.start_main_~j~6 7) 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; {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,666 INFO L273 TraceCheckUtils]: 46: Hoare triple {16182#(= (+ ULTIMATE.start_main_~j~6 6) 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; {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,667 INFO L273 TraceCheckUtils]: 47: Hoare triple {16183#(= (+ ULTIMATE.start_main_~j~6 5) 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; {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,668 INFO L273 TraceCheckUtils]: 48: Hoare triple {16184#(= (+ ULTIMATE.start_main_~j~6 4) 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; {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,669 INFO L273 TraceCheckUtils]: 49: Hoare triple {16185#(= (+ ULTIMATE.start_main_~j~6 3) 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; {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,670 INFO L273 TraceCheckUtils]: 50: Hoare triple {16186#(= (+ ULTIMATE.start_main_~j~6 2) 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; {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:00,671 INFO L273 TraceCheckUtils]: 51: Hoare triple {16187#(= (+ 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; {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:23:00,672 INFO L273 TraceCheckUtils]: 52: Hoare triple {16188#(= (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; {16136#false} is VALID [2019-02-14 16:23:00,672 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-02-14 16:23:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:00,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:00,678 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:23:00,678 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:23:00,678 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:23:00,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:00,679 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:23:00,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:23:00,687 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:23:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:00,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:23:02,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:23:02,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:02,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:02,645 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:23:02,647 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:23:02,647 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_475]. (and (<= ULTIMATE.start_main_~MAX~6 25) (= (store v_ULTIMATE.start_main_~str2~6_475 24 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 25 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:23:02,647 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0))) [2019-02-14 16:23:02,727 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#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; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,728 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,729 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,730 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:02,731 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,734 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:02,735 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,736 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:02,737 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,738 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,739 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,740 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:02,741 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,742 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,743 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,744 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:02,745 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:02,746 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,747 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,748 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,749 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,750 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,751 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:02,752 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:02,753 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:02,754 INFO L273 TraceCheckUtils]: 25: Hoare triple {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {16268#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,755 INFO L273 TraceCheckUtils]: 26: Hoare triple {16268#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 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; {16272#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 0) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,756 INFO L273 TraceCheckUtils]: 27: Hoare triple {16272#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 0) (<= 25 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; {16276#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 1) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,757 INFO L273 TraceCheckUtils]: 28: Hoare triple {16276#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 1) (<= 25 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; {16280#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:23:02,758 INFO L273 TraceCheckUtils]: 29: Hoare triple {16280#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {16284#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:23:02,759 INFO L273 TraceCheckUtils]: 30: Hoare triple {16284#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} 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; {16288#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 4) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,760 INFO L273 TraceCheckUtils]: 31: Hoare triple {16288#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 4) (<= 25 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; {16292#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,761 INFO L273 TraceCheckUtils]: 32: Hoare triple {16292#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16296#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:23:02,761 INFO L273 TraceCheckUtils]: 33: Hoare triple {16296#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {16300#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,762 INFO L273 TraceCheckUtils]: 34: Hoare triple {16300#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16304#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 8) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,763 INFO L273 TraceCheckUtils]: 35: Hoare triple {16304#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 8) (<= 25 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; {16308#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,764 INFO L273 TraceCheckUtils]: 36: Hoare triple {16308#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16312#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,765 INFO L273 TraceCheckUtils]: 37: Hoare triple {16312#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16316#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:23:02,766 INFO L273 TraceCheckUtils]: 38: Hoare triple {16316#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} 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; {16320#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,766 INFO L273 TraceCheckUtils]: 39: Hoare triple {16320#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16324#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 13) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,767 INFO L273 TraceCheckUtils]: 40: Hoare triple {16324#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 13) (<= 25 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; {16328#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 14) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,768 INFO L273 TraceCheckUtils]: 41: Hoare triple {16328#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 14) (<= 25 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; {16332#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:23:02,769 INFO L273 TraceCheckUtils]: 42: Hoare triple {16332#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} 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; {16336#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 16) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,770 INFO L273 TraceCheckUtils]: 43: Hoare triple {16336#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 16) (<= 25 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; {16340#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 17) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,771 INFO L273 TraceCheckUtils]: 44: Hoare triple {16340#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 17) (<= 25 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; {16344#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 18) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,772 INFO L273 TraceCheckUtils]: 45: Hoare triple {16344#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 18) (<= 25 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; {16348#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,772 INFO L273 TraceCheckUtils]: 46: Hoare triple {16348#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 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; {16352#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 20) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,773 INFO L273 TraceCheckUtils]: 47: Hoare triple {16352#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 20) (<= 25 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; {16356#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 21) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,774 INFO L273 TraceCheckUtils]: 48: Hoare triple {16356#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 21) (<= 25 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; {16360#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:23:02,775 INFO L273 TraceCheckUtils]: 49: Hoare triple {16360#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} 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; {16364#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} is VALID [2019-02-14 16:23:02,776 INFO L273 TraceCheckUtils]: 50: Hoare triple {16364#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} 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; {16368#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 24) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:02,777 INFO L273 TraceCheckUtils]: 51: Hoare triple {16368#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 24) (<= 25 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; {16372#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2019-02-14 16:23:02,778 INFO L273 TraceCheckUtils]: 52: Hoare triple {16372#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0)))} 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; {16136#false} is VALID [2019-02-14 16:23:02,778 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-02-14 16:23:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:02,784 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:23:02,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:23:02,830 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:02,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:02,839 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:23:02,840 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:23:02,841 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:23:02,841 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:23:03,782 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-02-14 16:23:03,783 INFO L273 TraceCheckUtils]: 52: Hoare triple {16188#(= (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; {16136#false} is VALID [2019-02-14 16:23:03,784 INFO L273 TraceCheckUtils]: 51: Hoare triple {16187#(= (+ 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; {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:23:03,785 INFO L273 TraceCheckUtils]: 50: Hoare triple {16186#(= (+ ULTIMATE.start_main_~j~6 2) 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; {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,786 INFO L273 TraceCheckUtils]: 49: Hoare triple {16185#(= (+ ULTIMATE.start_main_~j~6 3) 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; {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,787 INFO L273 TraceCheckUtils]: 48: Hoare triple {16184#(= (+ ULTIMATE.start_main_~j~6 4) 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; {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,788 INFO L273 TraceCheckUtils]: 47: Hoare triple {16183#(= (+ ULTIMATE.start_main_~j~6 5) 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; {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,789 INFO L273 TraceCheckUtils]: 46: Hoare triple {16182#(= (+ ULTIMATE.start_main_~j~6 6) 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; {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,790 INFO L273 TraceCheckUtils]: 45: Hoare triple {16181#(= (+ ULTIMATE.start_main_~j~6 7) 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; {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,791 INFO L273 TraceCheckUtils]: 44: Hoare triple {16180#(= (+ ULTIMATE.start_main_~j~6 8) 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; {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,792 INFO L273 TraceCheckUtils]: 43: Hoare triple {16179#(= (+ ULTIMATE.start_main_~j~6 9) 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; {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,793 INFO L273 TraceCheckUtils]: 42: Hoare triple {16178#(= (+ ULTIMATE.start_main_~j~6 10) 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; {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,794 INFO L273 TraceCheckUtils]: 41: Hoare triple {16177#(= (+ ULTIMATE.start_main_~j~6 11) 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; {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,795 INFO L273 TraceCheckUtils]: 40: Hoare triple {16176#(= (+ ULTIMATE.start_main_~j~6 12) 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; {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,796 INFO L273 TraceCheckUtils]: 39: Hoare triple {16175#(= (+ ULTIMATE.start_main_~j~6 13) 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; {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,816 INFO L273 TraceCheckUtils]: 38: Hoare triple {16174#(= (+ ULTIMATE.start_main_~j~6 14) 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; {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,819 INFO L273 TraceCheckUtils]: 37: Hoare triple {16173#(= (+ ULTIMATE.start_main_~j~6 15) 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; {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,820 INFO L273 TraceCheckUtils]: 36: Hoare triple {16172#(= (+ ULTIMATE.start_main_~j~6 16) 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; {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,821 INFO L273 TraceCheckUtils]: 35: Hoare triple {16171#(= (+ ULTIMATE.start_main_~j~6 17) 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; {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,821 INFO L273 TraceCheckUtils]: 34: Hoare triple {16170#(= (+ ULTIMATE.start_main_~j~6 18) 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; {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,822 INFO L273 TraceCheckUtils]: 33: Hoare triple {16169#(= (+ ULTIMATE.start_main_~j~6 19) 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; {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,823 INFO L273 TraceCheckUtils]: 32: Hoare triple {16168#(= (+ ULTIMATE.start_main_~j~6 20) 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; {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,824 INFO L273 TraceCheckUtils]: 31: Hoare triple {16167#(= (+ ULTIMATE.start_main_~j~6 21) 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; {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,825 INFO L273 TraceCheckUtils]: 30: Hoare triple {16166#(= (+ ULTIMATE.start_main_~j~6 22) 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; {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,826 INFO L273 TraceCheckUtils]: 29: Hoare triple {16165#(= (+ ULTIMATE.start_main_~j~6 23) 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; {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,827 INFO L273 TraceCheckUtils]: 28: Hoare triple {16164#(= (+ ULTIMATE.start_main_~j~6 24) 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; {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,828 INFO L273 TraceCheckUtils]: 27: Hoare triple {16163#(= (+ ULTIMATE.start_main_~j~6 25) 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; {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,829 INFO L273 TraceCheckUtils]: 26: Hoare triple {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 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; {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:03,848 INFO L273 TraceCheckUtils]: 25: Hoare triple {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:03,862 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,877 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:03,894 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:03,903 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,916 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,929 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,944 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,953 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:03,962 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:03,978 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:03,987 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,000 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,013 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,025 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:04,038 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,052 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,053 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,057 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:04,059 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,059 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:04,060 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,061 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:04,061 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,062 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,063 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#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; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:04,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:23:04,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 81 [2019-02-14 16:23:04,088 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:23:04,088 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-02-14 16:23:04,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:23:04,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 82 states. [2019-02-14 16:23:04,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:04,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 82 states [2019-02-14 16:23:04,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2019-02-14 16:23:04,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=6401, Unknown=0, NotChecked=0, Total=6642 [2019-02-14 16:23:04,169 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 82 states. [2019-02-14 16:23:16,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:16,246 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2019-02-14 16:23:16,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-02-14 16:23:16,246 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-02-14 16:23:16,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:23:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-02-14 16:23:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-02-14 16:23:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-02-14 16:23:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-02-14 16:23:16,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states and 62 transitions. [2019-02-14 16:23:16,313 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:16,314 INFO L225 Difference]: With dead ends: 84 [2019-02-14 16:23:16,314 INFO L226 Difference]: Without dead ends: 56 [2019-02-14 16:23:16,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 59 SyntacticMatches, 20 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=510, Invalid=11480, Unknown=0, NotChecked=0, Total=11990 [2019-02-14 16:23:16,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-02-14 16:23:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-02-14 16:23:17,464 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:23:17,464 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2019-02-14 16:23:17,464 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-02-14 16:23:17,464 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-02-14 16:23:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:17,465 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-02-14 16:23:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-02-14 16:23:17,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:17,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:17,466 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-02-14 16:23:17,466 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-02-14 16:23:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:17,467 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-02-14 16:23:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-02-14 16:23:17,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:17,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:17,468 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:23:17,468 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:23:17,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-02-14 16:23:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2019-02-14 16:23:17,469 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 54 [2019-02-14 16:23:17,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:23:17,469 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2019-02-14 16:23:17,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 82 states. [2019-02-14 16:23:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-02-14 16:23:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-02-14 16:23:17,470 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:23:17,470 INFO L402 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1, 1] [2019-02-14 16:23:17,470 INFO L423 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:23:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:23:17,470 INFO L82 PathProgramCache]: Analyzing trace with hash 488997932, now seen corresponding path program 38 times [2019-02-14 16:23:17,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:23:17,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:17,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:23:17,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:17,471 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:23:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:18,370 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,371 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,372 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,372 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,374 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,375 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,376 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,377 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,378 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,379 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,380 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,382 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,384 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,384 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,386 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,388 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,390 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,390 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,392 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,392 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,394 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,394 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,396 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,396 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,398 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,400 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,400 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:18,402 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,402 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,404 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,404 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,406 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,406 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,408 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,408 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,410 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,411 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,412 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,413 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,414 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,416 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,417 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,418 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,418 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,420 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,421 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,422 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,423 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,424 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,426 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,428 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,428 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,430 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,430 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} 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; {16981#false} is VALID [2019-02-14 16:23:18,430 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-02-14 16:23:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:18,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:18,433 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:23:18,433 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:23:18,433 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:23:18,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:18,433 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:23:18,445 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:23:18,445 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:23:18,569 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2019-02-14 16:23:18,569 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:23:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:18,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:23:18,891 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,892 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,893 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,894 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,895 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,896 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,896 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,897 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,898 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,899 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,900 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,901 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,902 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,903 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,904 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,905 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,906 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,907 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,908 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,909 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,909 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,910 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,911 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,912 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,913 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,914 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,915 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:18,916 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,917 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,918 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,919 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,920 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,921 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,922 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,923 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,923 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,924 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,925 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,926 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,927 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,928 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,929 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,930 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,931 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,932 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,933 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,934 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,934 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,935 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,936 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,937 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,938 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,939 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:18,940 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} 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; {16981#false} is VALID [2019-02-14 16:23:18,940 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-02-14 16:23:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:18,944 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:23:19,849 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-02-14 16:23:19,850 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} 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; {16981#false} is VALID [2019-02-14 16:23:19,850 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,851 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,851 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,852 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,853 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,854 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,855 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,856 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,863 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,864 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,864 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,865 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,865 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,866 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,867 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,868 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,869 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,870 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,871 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,872 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,873 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,874 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,875 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,876 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,876 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,877 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,878 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~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; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:19,879 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~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; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,880 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~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; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,881 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~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; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,882 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~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; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,883 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~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; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,884 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~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; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,885 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~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; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,886 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~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; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,887 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~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; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,888 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~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; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,889 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~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; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,889 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~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; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,890 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~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; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,891 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~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; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,892 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~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; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,893 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~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; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,894 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~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; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,895 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~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; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,896 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~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; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,897 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~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; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,898 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~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; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,899 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~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; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,900 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~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; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,901 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~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; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,901 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~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; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,902 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#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; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:23:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:19,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:23:19,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 28 [2019-02-14 16:23:19,926 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:23:19,927 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-02-14 16:23:19,927 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:23:19,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-02-14 16:23:19,992 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:19,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-02-14 16:23:19,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-02-14 16:23:19,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2019-02-14 16:23:19,993 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 29 states. [2019-02-14 16:23:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:21,956 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-02-14 16:23:21,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-02-14 16:23:21,956 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-02-14 16:23:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:23:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-02-14 16:23:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-02-14 16:23:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-02-14 16:23:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-02-14 16:23:21,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 60 transitions. [2019-02-14 16:23:22,008 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:22,009 INFO L225 Difference]: With dead ends: 59 [2019-02-14 16:23:22,009 INFO L226 Difference]: Without dead ends: 57 [2019-02-14 16:23:22,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 83 SyntacticMatches, 52 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1134, Invalid=1836, Unknown=0, NotChecked=0, Total=2970 [2019-02-14 16:23:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-02-14 16:23:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-02-14 16:23:23,174 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:23:23,174 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2019-02-14 16:23:23,174 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-02-14 16:23:23,174 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-02-14 16:23:23,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:23,175 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-02-14 16:23:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-02-14 16:23:23,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:23,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:23,176 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-02-14 16:23:23,176 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-02-14 16:23:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:23,177 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-02-14 16:23:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-02-14 16:23:23,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:23,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:23,177 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:23:23,178 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:23:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-02-14 16:23:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-02-14 16:23:23,178 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 55 [2019-02-14 16:23:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:23:23,178 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-02-14 16:23:23,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-02-14 16:23:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-02-14 16:23:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-02-14 16:23:23,179 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:23:23,179 INFO L402 BasicCegarLoop]: trace histogram [26, 26, 1, 1, 1, 1] [2019-02-14 16:23:23,179 INFO L423 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:23:23,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:23:23,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2020931478, now seen corresponding path program 39 times [2019-02-14 16:23:23,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:23:23,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:23,180 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:23:23,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:23,180 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:23:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:25,291 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#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; {17730#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,293 INFO L273 TraceCheckUtils]: 1: Hoare triple {17730#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {17731#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,294 INFO L273 TraceCheckUtils]: 2: Hoare triple {17731#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {17732#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,295 INFO L273 TraceCheckUtils]: 3: Hoare triple {17732#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {17733#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:25,296 INFO L273 TraceCheckUtils]: 4: Hoare triple {17733#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {17734#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,297 INFO L273 TraceCheckUtils]: 5: Hoare triple {17734#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {17735#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:25,298 INFO L273 TraceCheckUtils]: 6: Hoare triple {17735#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {17736#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,299 INFO L273 TraceCheckUtils]: 7: Hoare triple {17736#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {17737#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:25,300 INFO L273 TraceCheckUtils]: 8: Hoare triple {17737#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {17738#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,301 INFO L273 TraceCheckUtils]: 9: Hoare triple {17738#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {17739#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,302 INFO L273 TraceCheckUtils]: 10: Hoare triple {17739#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {17740#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,303 INFO L273 TraceCheckUtils]: 11: Hoare triple {17740#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {17741#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:25,304 INFO L273 TraceCheckUtils]: 12: Hoare triple {17741#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {17742#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,305 INFO L273 TraceCheckUtils]: 13: Hoare triple {17742#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {17743#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,306 INFO L273 TraceCheckUtils]: 14: Hoare triple {17743#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {17744#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,307 INFO L273 TraceCheckUtils]: 15: Hoare triple {17744#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {17745#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:25,308 INFO L273 TraceCheckUtils]: 16: Hoare triple {17745#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {17746#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:25,309 INFO L273 TraceCheckUtils]: 17: Hoare triple {17746#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {17747#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,310 INFO L273 TraceCheckUtils]: 18: Hoare triple {17747#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {17748#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,311 INFO L273 TraceCheckUtils]: 19: Hoare triple {17748#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {17749#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,312 INFO L273 TraceCheckUtils]: 20: Hoare triple {17749#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {17750#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,313 INFO L273 TraceCheckUtils]: 21: Hoare triple {17750#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {17751#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,314 INFO L273 TraceCheckUtils]: 22: Hoare triple {17751#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {17752#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:25,315 INFO L273 TraceCheckUtils]: 23: Hoare triple {17752#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {17753#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:25,316 INFO L273 TraceCheckUtils]: 24: Hoare triple {17753#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {17754#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:25,317 INFO L273 TraceCheckUtils]: 25: Hoare triple {17754#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {17755#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:23:25,318 INFO L273 TraceCheckUtils]: 26: Hoare triple {17755#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {17756#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 26 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:25,319 INFO L273 TraceCheckUtils]: 27: Hoare triple {17756#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 26 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; {17757#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,320 INFO L273 TraceCheckUtils]: 28: Hoare triple {17757#(= (+ ULTIMATE.start_main_~j~6 26) 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; {17758#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,321 INFO L273 TraceCheckUtils]: 29: Hoare triple {17758#(= (+ ULTIMATE.start_main_~j~6 25) 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; {17759#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,322 INFO L273 TraceCheckUtils]: 30: Hoare triple {17759#(= (+ ULTIMATE.start_main_~j~6 24) 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; {17760#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,323 INFO L273 TraceCheckUtils]: 31: Hoare triple {17760#(= (+ ULTIMATE.start_main_~j~6 23) 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; {17761#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,324 INFO L273 TraceCheckUtils]: 32: Hoare triple {17761#(= (+ ULTIMATE.start_main_~j~6 22) 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; {17762#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,325 INFO L273 TraceCheckUtils]: 33: Hoare triple {17762#(= (+ ULTIMATE.start_main_~j~6 21) 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; {17763#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,326 INFO L273 TraceCheckUtils]: 34: Hoare triple {17763#(= (+ ULTIMATE.start_main_~j~6 20) 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; {17764#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,327 INFO L273 TraceCheckUtils]: 35: Hoare triple {17764#(= (+ ULTIMATE.start_main_~j~6 19) 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; {17765#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,329 INFO L273 TraceCheckUtils]: 36: Hoare triple {17765#(= (+ ULTIMATE.start_main_~j~6 18) 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; {17766#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,330 INFO L273 TraceCheckUtils]: 37: Hoare triple {17766#(= (+ ULTIMATE.start_main_~j~6 17) 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; {17767#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,331 INFO L273 TraceCheckUtils]: 38: Hoare triple {17767#(= (+ ULTIMATE.start_main_~j~6 16) 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; {17768#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,332 INFO L273 TraceCheckUtils]: 39: Hoare triple {17768#(= (+ ULTIMATE.start_main_~j~6 15) 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; {17769#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,333 INFO L273 TraceCheckUtils]: 40: Hoare triple {17769#(= (+ ULTIMATE.start_main_~j~6 14) 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; {17770#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,334 INFO L273 TraceCheckUtils]: 41: Hoare triple {17770#(= (+ ULTIMATE.start_main_~j~6 13) 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; {17771#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,335 INFO L273 TraceCheckUtils]: 42: Hoare triple {17771#(= (+ ULTIMATE.start_main_~j~6 12) 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; {17772#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,336 INFO L273 TraceCheckUtils]: 43: Hoare triple {17772#(= (+ ULTIMATE.start_main_~j~6 11) 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; {17773#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,337 INFO L273 TraceCheckUtils]: 44: Hoare triple {17773#(= (+ ULTIMATE.start_main_~j~6 10) 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; {17774#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,338 INFO L273 TraceCheckUtils]: 45: Hoare triple {17774#(= (+ ULTIMATE.start_main_~j~6 9) 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; {17775#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,339 INFO L273 TraceCheckUtils]: 46: Hoare triple {17775#(= (+ ULTIMATE.start_main_~j~6 8) 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; {17776#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,340 INFO L273 TraceCheckUtils]: 47: Hoare triple {17776#(= (+ ULTIMATE.start_main_~j~6 7) 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; {17777#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,341 INFO L273 TraceCheckUtils]: 48: Hoare triple {17777#(= (+ ULTIMATE.start_main_~j~6 6) 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; {17778#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,342 INFO L273 TraceCheckUtils]: 49: Hoare triple {17778#(= (+ ULTIMATE.start_main_~j~6 5) 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; {17779#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,343 INFO L273 TraceCheckUtils]: 50: Hoare triple {17779#(= (+ ULTIMATE.start_main_~j~6 4) 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; {17780#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,344 INFO L273 TraceCheckUtils]: 51: Hoare triple {17780#(= (+ ULTIMATE.start_main_~j~6 3) 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; {17781#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,345 INFO L273 TraceCheckUtils]: 52: Hoare triple {17781#(= (+ ULTIMATE.start_main_~j~6 2) 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; {17782#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:25,346 INFO L273 TraceCheckUtils]: 53: Hoare triple {17782#(= (+ 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; {17783#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:23:25,347 INFO L273 TraceCheckUtils]: 54: Hoare triple {17783#(= (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; {17729#false} is VALID [2019-02-14 16:23:25,347 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-02-14 16:23:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:25,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:25,353 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:23:25,353 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:23:25,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:23:25,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:25,354 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:23:25,363 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:23:25,364 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:23:25,399 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:23:25,399 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:23:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:25,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:23:27,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:23:27,321 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:27,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:27,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:23:27,330 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:23:27,330 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_526]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_526 25 (select ULTIMATE.start_main_~str1~6 0))) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27))) [2019-02-14 16:23:27,330 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27))) [2019-02-14 16:23:27,419 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#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; {17728#true} is VALID [2019-02-14 16:23:27,419 INFO L273 TraceCheckUtils]: 1: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,419 INFO L273 TraceCheckUtils]: 2: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,419 INFO L273 TraceCheckUtils]: 3: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 4: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 5: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 6: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 7: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 8: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 9: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 10: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 11: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 12: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,420 INFO L273 TraceCheckUtils]: 13: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 14: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 15: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 16: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 17: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 18: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 19: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 20: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 21: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,421 INFO L273 TraceCheckUtils]: 22: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,422 INFO L273 TraceCheckUtils]: 23: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,422 INFO L273 TraceCheckUtils]: 24: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,422 INFO L273 TraceCheckUtils]: 25: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,422 INFO L273 TraceCheckUtils]: 26: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:27,422 INFO L273 TraceCheckUtils]: 27: Hoare triple {17728#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; {17868#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:27,423 INFO L273 TraceCheckUtils]: 28: Hoare triple {17868#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {17872#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:23:27,424 INFO L273 TraceCheckUtils]: 29: Hoare triple {17872#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {17876#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:23:27,424 INFO L273 TraceCheckUtils]: 30: Hoare triple {17876#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {17880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:23:27,425 INFO L273 TraceCheckUtils]: 31: Hoare triple {17880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {17884#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:23:27,426 INFO L273 TraceCheckUtils]: 32: Hoare triple {17884#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {17888#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:27,427 INFO L273 TraceCheckUtils]: 33: Hoare triple {17888#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {17892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:23:27,428 INFO L273 TraceCheckUtils]: 34: Hoare triple {17892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {17896#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:23:27,429 INFO L273 TraceCheckUtils]: 35: Hoare triple {17896#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {17900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:23:27,430 INFO L273 TraceCheckUtils]: 36: Hoare triple {17900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {17904#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:23:27,431 INFO L273 TraceCheckUtils]: 37: Hoare triple {17904#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {17908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:23:27,432 INFO L273 TraceCheckUtils]: 38: Hoare triple {17908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {17912#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:23:27,433 INFO L273 TraceCheckUtils]: 39: Hoare triple {17912#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {17916#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:23:27,434 INFO L273 TraceCheckUtils]: 40: Hoare triple {17916#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {17920#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:23:27,435 INFO L273 TraceCheckUtils]: 41: Hoare triple {17920#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {17924#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:23:27,436 INFO L273 TraceCheckUtils]: 42: Hoare triple {17924#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {17928#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:23:27,437 INFO L273 TraceCheckUtils]: 43: Hoare triple {17928#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {17932#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:23:27,438 INFO L273 TraceCheckUtils]: 44: Hoare triple {17932#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {17936#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:23:27,439 INFO L273 TraceCheckUtils]: 45: Hoare triple {17936#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {17940#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:23:27,440 INFO L273 TraceCheckUtils]: 46: Hoare triple {17940#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {17944#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:23:27,441 INFO L273 TraceCheckUtils]: 47: Hoare triple {17944#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {17948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:23:27,443 INFO L273 TraceCheckUtils]: 48: Hoare triple {17948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {17952#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:23:27,444 INFO L273 TraceCheckUtils]: 49: Hoare triple {17952#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {17956#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:23:27,445 INFO L273 TraceCheckUtils]: 50: Hoare triple {17956#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {17960#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:23:27,446 INFO L273 TraceCheckUtils]: 51: Hoare triple {17960#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {17964#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:23:27,447 INFO L273 TraceCheckUtils]: 52: Hoare triple {17964#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {17968#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:23:27,448 INFO L273 TraceCheckUtils]: 53: Hoare triple {17968#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {17972#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:23:27,449 INFO L273 TraceCheckUtils]: 54: Hoare triple {17972#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {17729#false} is VALID [2019-02-14 16:23:27,449 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-02-14 16:23:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-02-14 16:23:27,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:23:27,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:23:27,584 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:27,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:27,597 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:23:30,230 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-02-14 16:23:30,231 INFO L273 TraceCheckUtils]: 54: Hoare triple {17982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {17729#false} is VALID [2019-02-14 16:23:30,233 INFO L273 TraceCheckUtils]: 53: Hoare triple {17986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {17982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,234 INFO L273 TraceCheckUtils]: 52: Hoare triple {17990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {17986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:30,235 INFO L273 TraceCheckUtils]: 51: Hoare triple {17994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {17990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:23:30,236 INFO L273 TraceCheckUtils]: 50: Hoare triple {17998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {17994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,237 INFO L273 TraceCheckUtils]: 49: Hoare triple {18002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {17998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,238 INFO L273 TraceCheckUtils]: 48: Hoare triple {18006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {18002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:23:30,240 INFO L273 TraceCheckUtils]: 47: Hoare triple {18010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {18006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:30,241 INFO L273 TraceCheckUtils]: 46: Hoare triple {18014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {18010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,242 INFO L273 TraceCheckUtils]: 45: Hoare triple {18018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {18014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,243 INFO L273 TraceCheckUtils]: 44: Hoare triple {18022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {18018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:23:30,244 INFO L273 TraceCheckUtils]: 43: Hoare triple {18026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {18022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,245 INFO L273 TraceCheckUtils]: 42: Hoare triple {18030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {18026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:23:30,247 INFO L273 TraceCheckUtils]: 41: Hoare triple {18034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {18030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,248 INFO L273 TraceCheckUtils]: 40: Hoare triple {18038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {18034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:23:30,249 INFO L273 TraceCheckUtils]: 39: Hoare triple {18042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {18038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,250 INFO L273 TraceCheckUtils]: 38: Hoare triple {18046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {18042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:23:30,251 INFO L273 TraceCheckUtils]: 37: Hoare triple {18050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {18046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:23:30,252 INFO L273 TraceCheckUtils]: 36: Hoare triple {18054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {18050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:23:30,253 INFO L273 TraceCheckUtils]: 35: Hoare triple {18058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {18054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:23:30,255 INFO L273 TraceCheckUtils]: 34: Hoare triple {18062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {18058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:23:30,256 INFO L273 TraceCheckUtils]: 33: Hoare triple {18066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {18062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:23:30,257 INFO L273 TraceCheckUtils]: 32: Hoare triple {18070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {18066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,258 INFO L273 TraceCheckUtils]: 31: Hoare triple {18074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {18070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:23:30,259 INFO L273 TraceCheckUtils]: 30: Hoare triple {18078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {18074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,260 INFO L273 TraceCheckUtils]: 29: Hoare triple {18082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {18078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:30,261 INFO L273 TraceCheckUtils]: 28: Hoare triple {18086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {18082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 27: Hoare triple {17728#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; {18086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 26: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 25: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 24: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 23: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,263 INFO L273 TraceCheckUtils]: 22: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,264 INFO L273 TraceCheckUtils]: 21: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,264 INFO L273 TraceCheckUtils]: 20: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,264 INFO L273 TraceCheckUtils]: 19: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,264 INFO L273 TraceCheckUtils]: 18: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,264 INFO L273 TraceCheckUtils]: 17: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 16: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 15: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 14: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 13: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 12: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 11: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 10: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,265 INFO L273 TraceCheckUtils]: 9: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 8: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 7: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 6: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 5: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 4: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 3: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 2: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 1: Hoare triple {17728#true} 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; {17728#true} is VALID [2019-02-14 16:23:30,266 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#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; {17728#true} is VALID [2019-02-14 16:23:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-02-14 16:23:30,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:23:30,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 29, 29] total 110 [2019-02-14 16:23:30,290 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:23:30,290 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-02-14 16:23:30,290 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:23:30,291 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 83 states. [2019-02-14 16:23:30,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:30,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 83 states [2019-02-14 16:23:30,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2019-02-14 16:23:30,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=10368, Unknown=0, NotChecked=0, Total=11990 [2019-02-14 16:23:30,401 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 83 states. [2019-02-14 16:23:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:46,583 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2019-02-14 16:23:46,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2019-02-14 16:23:46,583 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-02-14 16:23:46,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:23:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-02-14 16:23:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-02-14 16:23:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-02-14 16:23:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-02-14 16:23:46,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 86 states and 93 transitions. [2019-02-14 16:23:46,694 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:46,696 INFO L225 Difference]: With dead ends: 89 [2019-02-14 16:23:46,696 INFO L226 Difference]: Without dead ends: 59 [2019-02-14 16:23:46,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=2617, Invalid=17123, Unknown=0, NotChecked=0, Total=19740 [2019-02-14 16:23:46,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-02-14 16:23:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-02-14 16:23:47,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:23:47,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2019-02-14 16:23:47,946 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-02-14 16:23:47,946 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-02-14 16:23:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:47,947 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-02-14 16:23:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-02-14 16:23:47,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:47,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:47,948 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-02-14 16:23:47,948 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-02-14 16:23:47,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:23:47,949 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-02-14 16:23:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-02-14 16:23:47,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:23:47,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:23:47,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:23:47,950 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:23:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-02-14 16:23:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-02-14 16:23:47,950 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2019-02-14 16:23:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:23:47,951 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-02-14 16:23:47,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2019-02-14 16:23:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-02-14 16:23:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-02-14 16:23:47,951 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:23:47,951 INFO L402 BasicCegarLoop]: trace histogram [27, 27, 1, 1, 1, 1] [2019-02-14 16:23:47,952 INFO L423 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:23:47,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:23:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash -190119787, now seen corresponding path program 40 times [2019-02-14 16:23:47,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:23:47,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:47,953 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:23:47,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:23:47,953 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:23:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:50,531 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#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; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,533 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,534 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,535 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:50,536 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,537 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:50,538 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,539 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:50,540 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,541 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,542 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,543 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:50,544 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,545 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,546 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,547 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:50,548 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:50,549 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,550 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,551 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,552 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,553 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,554 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:50,555 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:50,556 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,557 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:50,558 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {18669#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:23:50,559 INFO L273 TraceCheckUtils]: 27: Hoare triple {18669#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26)))} 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; {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:50,560 INFO L273 TraceCheckUtils]: 28: Hoare triple {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 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; {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,561 INFO L273 TraceCheckUtils]: 29: Hoare triple {18671#(= (+ ULTIMATE.start_main_~j~6 27) 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; {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,562 INFO L273 TraceCheckUtils]: 30: Hoare triple {18672#(= (+ ULTIMATE.start_main_~j~6 26) 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; {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,563 INFO L273 TraceCheckUtils]: 31: Hoare triple {18673#(= (+ ULTIMATE.start_main_~j~6 25) 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; {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,564 INFO L273 TraceCheckUtils]: 32: Hoare triple {18674#(= (+ ULTIMATE.start_main_~j~6 24) 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; {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,565 INFO L273 TraceCheckUtils]: 33: Hoare triple {18675#(= (+ ULTIMATE.start_main_~j~6 23) 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; {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,566 INFO L273 TraceCheckUtils]: 34: Hoare triple {18676#(= (+ ULTIMATE.start_main_~j~6 22) 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; {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,567 INFO L273 TraceCheckUtils]: 35: Hoare triple {18677#(= (+ ULTIMATE.start_main_~j~6 21) 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; {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,568 INFO L273 TraceCheckUtils]: 36: Hoare triple {18678#(= (+ ULTIMATE.start_main_~j~6 20) 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; {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,569 INFO L273 TraceCheckUtils]: 37: Hoare triple {18679#(= (+ ULTIMATE.start_main_~j~6 19) 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; {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,570 INFO L273 TraceCheckUtils]: 38: Hoare triple {18680#(= (+ ULTIMATE.start_main_~j~6 18) 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; {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,571 INFO L273 TraceCheckUtils]: 39: Hoare triple {18681#(= (+ ULTIMATE.start_main_~j~6 17) 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; {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,572 INFO L273 TraceCheckUtils]: 40: Hoare triple {18682#(= (+ ULTIMATE.start_main_~j~6 16) 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; {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,573 INFO L273 TraceCheckUtils]: 41: Hoare triple {18683#(= (+ ULTIMATE.start_main_~j~6 15) 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; {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,574 INFO L273 TraceCheckUtils]: 42: Hoare triple {18684#(= (+ ULTIMATE.start_main_~j~6 14) 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; {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,575 INFO L273 TraceCheckUtils]: 43: Hoare triple {18685#(= (+ ULTIMATE.start_main_~j~6 13) 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; {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,576 INFO L273 TraceCheckUtils]: 44: Hoare triple {18686#(= (+ ULTIMATE.start_main_~j~6 12) 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; {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,577 INFO L273 TraceCheckUtils]: 45: Hoare triple {18687#(= (+ ULTIMATE.start_main_~j~6 11) 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; {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,578 INFO L273 TraceCheckUtils]: 46: Hoare triple {18688#(= (+ ULTIMATE.start_main_~j~6 10) 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; {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,579 INFO L273 TraceCheckUtils]: 47: Hoare triple {18689#(= (+ ULTIMATE.start_main_~j~6 9) 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; {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,580 INFO L273 TraceCheckUtils]: 48: Hoare triple {18690#(= (+ ULTIMATE.start_main_~j~6 8) 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; {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,581 INFO L273 TraceCheckUtils]: 49: Hoare triple {18691#(= (+ ULTIMATE.start_main_~j~6 7) 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; {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,582 INFO L273 TraceCheckUtils]: 50: Hoare triple {18692#(= (+ ULTIMATE.start_main_~j~6 6) 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; {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,583 INFO L273 TraceCheckUtils]: 51: Hoare triple {18693#(= (+ ULTIMATE.start_main_~j~6 5) 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; {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,584 INFO L273 TraceCheckUtils]: 52: Hoare triple {18694#(= (+ ULTIMATE.start_main_~j~6 4) 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; {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,590 INFO L273 TraceCheckUtils]: 53: Hoare triple {18695#(= (+ ULTIMATE.start_main_~j~6 3) 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; {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,590 INFO L273 TraceCheckUtils]: 54: Hoare triple {18696#(= (+ ULTIMATE.start_main_~j~6 2) 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; {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:50,591 INFO L273 TraceCheckUtils]: 55: Hoare triple {18697#(= (+ 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; {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:23:50,592 INFO L273 TraceCheckUtils]: 56: Hoare triple {18698#(= (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; {18642#false} is VALID [2019-02-14 16:23:50,592 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-02-14 16:23:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:50,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:50,598 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:23:50,598 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:23:50,599 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:23:50,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:23:50,599 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:23:50,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:23:50,608 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:23:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:23:50,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:23:52,819 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:23:52,821 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:52,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:52,828 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:23:52,831 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:23:52,831 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_553]. (and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_553 26 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:23:52,831 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 27) (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= 27 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:23:52,909 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#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; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,910 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,911 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,912 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:52,913 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,914 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:52,915 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,916 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:52,917 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,918 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,919 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,920 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:52,921 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,922 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,923 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,924 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:52,925 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:52,926 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,927 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,928 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,929 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,930 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,931 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:52,932 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:52,933 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,934 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:52,935 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:23:52,936 INFO L273 TraceCheckUtils]: 27: Hoare triple {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {18784#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,937 INFO L273 TraceCheckUtils]: 28: Hoare triple {18784#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 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; {18788#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,938 INFO L273 TraceCheckUtils]: 29: Hoare triple {18788#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18792#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,939 INFO L273 TraceCheckUtils]: 30: Hoare triple {18792#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18796#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:23:52,940 INFO L273 TraceCheckUtils]: 31: Hoare triple {18796#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {18800#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:23:52,941 INFO L273 TraceCheckUtils]: 32: Hoare triple {18800#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} 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; {18804#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 4) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,942 INFO L273 TraceCheckUtils]: 33: Hoare triple {18804#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 4) (<= 27 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; {18808#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,943 INFO L273 TraceCheckUtils]: 34: Hoare triple {18808#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18812#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:23:52,943 INFO L273 TraceCheckUtils]: 35: Hoare triple {18812#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {18816#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,944 INFO L273 TraceCheckUtils]: 36: Hoare triple {18816#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18820#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,945 INFO L273 TraceCheckUtils]: 37: Hoare triple {18820#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18824#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,946 INFO L273 TraceCheckUtils]: 38: Hoare triple {18824#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18828#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,947 INFO L273 TraceCheckUtils]: 39: Hoare triple {18828#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18832#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:23:52,947 INFO L273 TraceCheckUtils]: 40: Hoare triple {18832#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} 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; {18836#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,948 INFO L273 TraceCheckUtils]: 41: Hoare triple {18836#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18840#(and (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,949 INFO L273 TraceCheckUtils]: 42: Hoare triple {18840#(and (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18844#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 14) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,950 INFO L273 TraceCheckUtils]: 43: Hoare triple {18844#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 14) (<= 27 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; {18848#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:23:52,951 INFO L273 TraceCheckUtils]: 44: Hoare triple {18848#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} 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; {18852#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 16) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,952 INFO L273 TraceCheckUtils]: 45: Hoare triple {18852#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 16) (<= 27 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; {18856#(and (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,953 INFO L273 TraceCheckUtils]: 46: Hoare triple {18856#(and (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18860#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,954 INFO L273 TraceCheckUtils]: 47: Hoare triple {18860#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18864#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,955 INFO L273 TraceCheckUtils]: 48: Hoare triple {18864#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18868#(and (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,955 INFO L273 TraceCheckUtils]: 49: Hoare triple {18868#(and (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18872#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,956 INFO L273 TraceCheckUtils]: 50: Hoare triple {18872#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18876#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:23:52,957 INFO L273 TraceCheckUtils]: 51: Hoare triple {18876#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} 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; {18880#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} is VALID [2019-02-14 16:23:52,958 INFO L273 TraceCheckUtils]: 52: Hoare triple {18880#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} 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; {18884#(and (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,959 INFO L273 TraceCheckUtils]: 53: Hoare triple {18884#(and (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18888#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,959 INFO L273 TraceCheckUtils]: 54: Hoare triple {18888#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18892#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,961 INFO L273 TraceCheckUtils]: 55: Hoare triple {18892#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 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; {18896#(and (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:52,962 INFO L273 TraceCheckUtils]: 56: Hoare triple {18896#(and (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} 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; {18642#false} is VALID [2019-02-14 16:23:52,962 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-02-14 16:23:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:52,968 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:23:52,997 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:23:52,999 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:23:53,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:23:53,001 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:23:53,003 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:23:53,003 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:23:53,004 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:23:53,880 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-02-14 16:23:53,882 INFO L273 TraceCheckUtils]: 56: Hoare triple {18698#(= (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; {18642#false} is VALID [2019-02-14 16:23:53,882 INFO L273 TraceCheckUtils]: 55: Hoare triple {18697#(= (+ 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; {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:23:53,883 INFO L273 TraceCheckUtils]: 54: Hoare triple {18696#(= (+ ULTIMATE.start_main_~j~6 2) 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; {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,884 INFO L273 TraceCheckUtils]: 53: Hoare triple {18695#(= (+ ULTIMATE.start_main_~j~6 3) 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; {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,885 INFO L273 TraceCheckUtils]: 52: Hoare triple {18694#(= (+ ULTIMATE.start_main_~j~6 4) 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; {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,886 INFO L273 TraceCheckUtils]: 51: Hoare triple {18693#(= (+ ULTIMATE.start_main_~j~6 5) 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; {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,887 INFO L273 TraceCheckUtils]: 50: Hoare triple {18692#(= (+ ULTIMATE.start_main_~j~6 6) 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; {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,888 INFO L273 TraceCheckUtils]: 49: Hoare triple {18691#(= (+ ULTIMATE.start_main_~j~6 7) 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; {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,889 INFO L273 TraceCheckUtils]: 48: Hoare triple {18690#(= (+ ULTIMATE.start_main_~j~6 8) 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; {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,890 INFO L273 TraceCheckUtils]: 47: Hoare triple {18689#(= (+ ULTIMATE.start_main_~j~6 9) 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; {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,891 INFO L273 TraceCheckUtils]: 46: Hoare triple {18688#(= (+ ULTIMATE.start_main_~j~6 10) 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; {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,892 INFO L273 TraceCheckUtils]: 45: Hoare triple {18687#(= (+ ULTIMATE.start_main_~j~6 11) 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; {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,893 INFO L273 TraceCheckUtils]: 44: Hoare triple {18686#(= (+ ULTIMATE.start_main_~j~6 12) 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; {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,894 INFO L273 TraceCheckUtils]: 43: Hoare triple {18685#(= (+ ULTIMATE.start_main_~j~6 13) 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; {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,895 INFO L273 TraceCheckUtils]: 42: Hoare triple {18684#(= (+ ULTIMATE.start_main_~j~6 14) 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; {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,896 INFO L273 TraceCheckUtils]: 41: Hoare triple {18683#(= (+ ULTIMATE.start_main_~j~6 15) 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; {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,897 INFO L273 TraceCheckUtils]: 40: Hoare triple {18682#(= (+ ULTIMATE.start_main_~j~6 16) 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; {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,898 INFO L273 TraceCheckUtils]: 39: Hoare triple {18681#(= (+ ULTIMATE.start_main_~j~6 17) 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; {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,899 INFO L273 TraceCheckUtils]: 38: Hoare triple {18680#(= (+ ULTIMATE.start_main_~j~6 18) 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; {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,900 INFO L273 TraceCheckUtils]: 37: Hoare triple {18679#(= (+ ULTIMATE.start_main_~j~6 19) 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; {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,901 INFO L273 TraceCheckUtils]: 36: Hoare triple {18678#(= (+ ULTIMATE.start_main_~j~6 20) 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; {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,902 INFO L273 TraceCheckUtils]: 35: Hoare triple {18677#(= (+ ULTIMATE.start_main_~j~6 21) 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; {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,903 INFO L273 TraceCheckUtils]: 34: Hoare triple {18676#(= (+ ULTIMATE.start_main_~j~6 22) 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; {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,904 INFO L273 TraceCheckUtils]: 33: Hoare triple {18675#(= (+ ULTIMATE.start_main_~j~6 23) 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; {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,905 INFO L273 TraceCheckUtils]: 32: Hoare triple {18674#(= (+ ULTIMATE.start_main_~j~6 24) 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; {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,906 INFO L273 TraceCheckUtils]: 31: Hoare triple {18673#(= (+ ULTIMATE.start_main_~j~6 25) 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; {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,907 INFO L273 TraceCheckUtils]: 30: Hoare triple {18672#(= (+ ULTIMATE.start_main_~j~6 26) 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; {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,908 INFO L273 TraceCheckUtils]: 29: Hoare triple {18671#(= (+ ULTIMATE.start_main_~j~6 27) 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; {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,909 INFO L273 TraceCheckUtils]: 28: Hoare triple {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 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; {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:23:53,910 INFO L273 TraceCheckUtils]: 27: Hoare triple {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:23:53,911 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:23:53,912 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,913 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,914 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:23:53,915 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:23:53,916 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,917 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,918 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,919 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,920 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,921 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:23:53,922 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:23:53,923 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,924 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,925 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,926 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:23:53,927 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,928 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,929 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,930 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:23:53,931 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,932 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:23:53,933 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,934 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:23:53,935 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,936 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,936 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#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; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:23:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:23:53,960 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:23:53,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 87 [2019-02-14 16:23:53,960 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:23:53,961 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-02-14 16:23:53,961 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:23:53,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states. [2019-02-14 16:23:54,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:23:54,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2019-02-14 16:23:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2019-02-14 16:23:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=7397, Unknown=0, NotChecked=0, Total=7656 [2019-02-14 16:23:54,088 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 88 states. [2019-02-14 16:24:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:08,892 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2019-02-14 16:24:08,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-02-14 16:24:08,892 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-02-14 16:24:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:24:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-02-14 16:24:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-02-14 16:24:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-02-14 16:24:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-02-14 16:24:08,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 61 states and 66 transitions. [2019-02-14 16:24:08,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:08,967 INFO L225 Difference]: With dead ends: 90 [2019-02-14 16:24:08,968 INFO L226 Difference]: Without dead ends: 60 [2019-02-14 16:24:08,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 63 SyntacticMatches, 22 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2281 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=548, Invalid=13258, Unknown=0, NotChecked=0, Total=13806 [2019-02-14 16:24:08,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-02-14 16:24:10,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-02-14 16:24:10,487 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:24:10,487 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2019-02-14 16:24:10,487 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-02-14 16:24:10,488 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-02-14 16:24:10,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:10,488 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-02-14 16:24:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-02-14 16:24:10,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:10,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:10,489 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-02-14 16:24:10,489 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-02-14 16:24:10,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:10,490 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-02-14 16:24:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-02-14 16:24:10,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:10,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:10,490 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:24:10,490 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:24:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-02-14 16:24:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-02-14 16:24:10,491 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 58 [2019-02-14 16:24:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:24:10,491 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-02-14 16:24:10,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 88 states. [2019-02-14 16:24:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-02-14 16:24:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-02-14 16:24:10,491 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:24:10,491 INFO L402 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1, 1] [2019-02-14 16:24:10,492 INFO L423 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:24:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:24:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash -998989556, now seen corresponding path program 41 times [2019-02-14 16:24:10,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:24:10,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:10,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:24:10,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:10,493 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:24:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:11,391 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,392 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,393 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,394 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,395 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,396 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,397 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,398 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,399 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,400 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,401 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,402 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,403 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,404 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,404 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,405 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,406 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,407 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,408 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,409 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,410 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,411 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,412 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,413 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,414 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,415 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,416 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,417 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,417 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:11,418 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,419 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,420 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,421 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,422 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,423 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,424 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,425 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,426 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,427 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,431 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,432 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,433 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,433 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,434 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,434 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,435 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,436 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,436 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,437 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,438 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,439 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,440 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,441 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,442 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,443 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,443 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,444 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,445 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} 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; {19549#false} is VALID [2019-02-14 16:24:11,445 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-02-14 16:24:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:11,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:11,449 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:24:11,449 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:24:11,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:24:11,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:11,449 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:24:11,458 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:24:11,458 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:24:11,595 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-02-14 16:24:11,595 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:24:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:11,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:24:11,909 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,910 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,911 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,912 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,913 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,914 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,915 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,916 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,916 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,917 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,918 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,919 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,920 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,921 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,922 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,923 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,924 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,925 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,926 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,927 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,928 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,929 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,929 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,930 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,931 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,932 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,933 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,934 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,935 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:11,936 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,937 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,938 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,939 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,940 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,941 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,942 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,942 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,943 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,944 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,945 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,946 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,947 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,948 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,949 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,950 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,951 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,952 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,953 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,954 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,955 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,956 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,956 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,957 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,958 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,959 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,960 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,961 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:11,962 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} 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; {19549#false} is VALID [2019-02-14 16:24:11,962 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-02-14 16:24:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:11,966 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:24:12,903 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-02-14 16:24:12,904 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} 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; {19549#false} is VALID [2019-02-14 16:24:12,904 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,905 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,905 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,906 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,907 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,908 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,909 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,910 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,911 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,912 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,913 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,914 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,915 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,915 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,916 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,917 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,918 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,919 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,920 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,921 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,922 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,923 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,924 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,925 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,926 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,926 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,927 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,928 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,929 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~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; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:12,930 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~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; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,931 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~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; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,932 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~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; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,933 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~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; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,934 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~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; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,935 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~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; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,936 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~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; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,937 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~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; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,938 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~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; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,939 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~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; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,940 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~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; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,940 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~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; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,941 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~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; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,942 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~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; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,943 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~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; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,944 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~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; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,945 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~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; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,946 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~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; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,947 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~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; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,948 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~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; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,949 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~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; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,950 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~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; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,951 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~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; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,951 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~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; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,952 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~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; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,953 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~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; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,954 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~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; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,955 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#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; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:24:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:12,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:24:12,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2019-02-14 16:24:12,984 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:24:12,984 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-02-14 16:24:12,985 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:24:12,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2019-02-14 16:24:13,054 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:13,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-02-14 16:24:13,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-02-14 16:24:13,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2019-02-14 16:24:13,055 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 31 states. [2019-02-14 16:24:15,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:15,547 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-02-14 16:24:15,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-02-14 16:24:15,547 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-02-14 16:24:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:24:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-02-14 16:24:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-02-14 16:24:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-02-14 16:24:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-02-14 16:24:15,550 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states and 64 transitions. [2019-02-14 16:24:15,608 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:15,609 INFO L225 Difference]: With dead ends: 63 [2019-02-14 16:24:15,610 INFO L226 Difference]: Without dead ends: 61 [2019-02-14 16:24:15,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 89 SyntacticMatches, 56 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1305, Invalid=2117, Unknown=0, NotChecked=0, Total=3422 [2019-02-14 16:24:15,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-02-14 16:24:16,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-02-14 16:24:16,917 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:24:16,918 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2019-02-14 16:24:16,918 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-02-14 16:24:16,918 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-02-14 16:24:16,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:16,919 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-02-14 16:24:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-02-14 16:24:16,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:16,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:16,920 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-02-14 16:24:16,920 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-02-14 16:24:16,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:16,921 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-02-14 16:24:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-02-14 16:24:16,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:16,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:16,922 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:24:16,922 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:24:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-02-14 16:24:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2019-02-14 16:24:16,923 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 59 [2019-02-14 16:24:16,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:24:16,923 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2019-02-14 16:24:16,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-02-14 16:24:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-02-14 16:24:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-02-14 16:24:16,924 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:24:16,924 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 1, 1, 1, 1] [2019-02-14 16:24:16,924 INFO L423 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:24:16,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:24:16,924 INFO L82 PathProgramCache]: Analyzing trace with hash -903903350, now seen corresponding path program 42 times [2019-02-14 16:24:16,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:24:16,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:16,925 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:24:16,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:16,925 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:24:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:19,435 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#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; {20352#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,436 INFO L273 TraceCheckUtils]: 1: Hoare triple {20352#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {20353#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,437 INFO L273 TraceCheckUtils]: 2: Hoare triple {20353#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {20354#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,438 INFO L273 TraceCheckUtils]: 3: Hoare triple {20354#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {20355#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:24:19,439 INFO L273 TraceCheckUtils]: 4: Hoare triple {20355#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {20356#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,440 INFO L273 TraceCheckUtils]: 5: Hoare triple {20356#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {20357#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:24:19,441 INFO L273 TraceCheckUtils]: 6: Hoare triple {20357#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {20358#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,442 INFO L273 TraceCheckUtils]: 7: Hoare triple {20358#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {20359#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:24:19,443 INFO L273 TraceCheckUtils]: 8: Hoare triple {20359#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {20360#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,444 INFO L273 TraceCheckUtils]: 9: Hoare triple {20360#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {20361#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,445 INFO L273 TraceCheckUtils]: 10: Hoare triple {20361#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {20362#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,446 INFO L273 TraceCheckUtils]: 11: Hoare triple {20362#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {20363#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:24:19,447 INFO L273 TraceCheckUtils]: 12: Hoare triple {20363#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {20364#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,448 INFO L273 TraceCheckUtils]: 13: Hoare triple {20364#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {20365#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,449 INFO L273 TraceCheckUtils]: 14: Hoare triple {20365#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {20366#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,450 INFO L273 TraceCheckUtils]: 15: Hoare triple {20366#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {20367#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:24:19,451 INFO L273 TraceCheckUtils]: 16: Hoare triple {20367#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {20368#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:24:19,452 INFO L273 TraceCheckUtils]: 17: Hoare triple {20368#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {20369#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,453 INFO L273 TraceCheckUtils]: 18: Hoare triple {20369#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {20370#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,454 INFO L273 TraceCheckUtils]: 19: Hoare triple {20370#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {20371#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,455 INFO L273 TraceCheckUtils]: 20: Hoare triple {20371#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {20372#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,456 INFO L273 TraceCheckUtils]: 21: Hoare triple {20372#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {20373#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,457 INFO L273 TraceCheckUtils]: 22: Hoare triple {20373#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {20374#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:24:19,458 INFO L273 TraceCheckUtils]: 23: Hoare triple {20374#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {20375#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:24:19,459 INFO L273 TraceCheckUtils]: 24: Hoare triple {20375#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {20376#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,460 INFO L273 TraceCheckUtils]: 25: Hoare triple {20376#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {20377#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:19,461 INFO L273 TraceCheckUtils]: 26: Hoare triple {20377#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {20378#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:24:19,462 INFO L273 TraceCheckUtils]: 27: Hoare triple {20378#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {20379#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:24:19,464 INFO L273 TraceCheckUtils]: 28: Hoare triple {20379#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {20380#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 28 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:19,465 INFO L273 TraceCheckUtils]: 29: Hoare triple {20380#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 28 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; {20381#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,466 INFO L273 TraceCheckUtils]: 30: Hoare triple {20381#(= (+ ULTIMATE.start_main_~j~6 28) 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; {20382#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,467 INFO L273 TraceCheckUtils]: 31: Hoare triple {20382#(= (+ ULTIMATE.start_main_~j~6 27) 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; {20383#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,468 INFO L273 TraceCheckUtils]: 32: Hoare triple {20383#(= (+ ULTIMATE.start_main_~j~6 26) 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; {20384#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,469 INFO L273 TraceCheckUtils]: 33: Hoare triple {20384#(= (+ ULTIMATE.start_main_~j~6 25) 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; {20385#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,470 INFO L273 TraceCheckUtils]: 34: Hoare triple {20385#(= (+ ULTIMATE.start_main_~j~6 24) 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; {20386#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,471 INFO L273 TraceCheckUtils]: 35: Hoare triple {20386#(= (+ ULTIMATE.start_main_~j~6 23) 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; {20387#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,472 INFO L273 TraceCheckUtils]: 36: Hoare triple {20387#(= (+ ULTIMATE.start_main_~j~6 22) 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; {20388#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,473 INFO L273 TraceCheckUtils]: 37: Hoare triple {20388#(= (+ ULTIMATE.start_main_~j~6 21) 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; {20389#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,474 INFO L273 TraceCheckUtils]: 38: Hoare triple {20389#(= (+ ULTIMATE.start_main_~j~6 20) 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; {20390#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,475 INFO L273 TraceCheckUtils]: 39: Hoare triple {20390#(= (+ ULTIMATE.start_main_~j~6 19) 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; {20391#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,476 INFO L273 TraceCheckUtils]: 40: Hoare triple {20391#(= (+ ULTIMATE.start_main_~j~6 18) 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; {20392#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,477 INFO L273 TraceCheckUtils]: 41: Hoare triple {20392#(= (+ ULTIMATE.start_main_~j~6 17) 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; {20393#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,478 INFO L273 TraceCheckUtils]: 42: Hoare triple {20393#(= (+ ULTIMATE.start_main_~j~6 16) 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; {20394#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,479 INFO L273 TraceCheckUtils]: 43: Hoare triple {20394#(= (+ ULTIMATE.start_main_~j~6 15) 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; {20395#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,480 INFO L273 TraceCheckUtils]: 44: Hoare triple {20395#(= (+ ULTIMATE.start_main_~j~6 14) 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; {20396#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,481 INFO L273 TraceCheckUtils]: 45: Hoare triple {20396#(= (+ ULTIMATE.start_main_~j~6 13) 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; {20397#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,482 INFO L273 TraceCheckUtils]: 46: Hoare triple {20397#(= (+ ULTIMATE.start_main_~j~6 12) 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; {20398#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,483 INFO L273 TraceCheckUtils]: 47: Hoare triple {20398#(= (+ ULTIMATE.start_main_~j~6 11) 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; {20399#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,484 INFO L273 TraceCheckUtils]: 48: Hoare triple {20399#(= (+ ULTIMATE.start_main_~j~6 10) 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; {20400#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,485 INFO L273 TraceCheckUtils]: 49: Hoare triple {20400#(= (+ ULTIMATE.start_main_~j~6 9) 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; {20401#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,486 INFO L273 TraceCheckUtils]: 50: Hoare triple {20401#(= (+ ULTIMATE.start_main_~j~6 8) 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; {20402#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,487 INFO L273 TraceCheckUtils]: 51: Hoare triple {20402#(= (+ ULTIMATE.start_main_~j~6 7) 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; {20403#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,488 INFO L273 TraceCheckUtils]: 52: Hoare triple {20403#(= (+ ULTIMATE.start_main_~j~6 6) 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; {20404#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,489 INFO L273 TraceCheckUtils]: 53: Hoare triple {20404#(= (+ ULTIMATE.start_main_~j~6 5) 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; {20405#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,490 INFO L273 TraceCheckUtils]: 54: Hoare triple {20405#(= (+ ULTIMATE.start_main_~j~6 4) 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; {20406#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,491 INFO L273 TraceCheckUtils]: 55: Hoare triple {20406#(= (+ ULTIMATE.start_main_~j~6 3) 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; {20407#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,492 INFO L273 TraceCheckUtils]: 56: Hoare triple {20407#(= (+ ULTIMATE.start_main_~j~6 2) 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; {20408#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:19,493 INFO L273 TraceCheckUtils]: 57: Hoare triple {20408#(= (+ 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; {20409#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:24:19,494 INFO L273 TraceCheckUtils]: 58: Hoare triple {20409#(= (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; {20351#false} is VALID [2019-02-14 16:24:19,494 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-02-14 16:24:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:19,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:19,500 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:24:19,500 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:24:19,500 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:24:19,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:19,500 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:24:19,509 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:24:19,509 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:24:19,544 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:24:19,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:24:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:19,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:24:21,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:24:21,974 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:24:21,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:24:21,982 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:24:21,985 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:24:21,985 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_608]. (and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (store v_ULTIMATE.start_main_~str2~6_608 27 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:24:21,985 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0))) [2019-02-14 16:24:22,086 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#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; {20350#true} is VALID [2019-02-14 16:24:22,086 INFO L273 TraceCheckUtils]: 1: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,086 INFO L273 TraceCheckUtils]: 2: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,087 INFO L273 TraceCheckUtils]: 3: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,087 INFO L273 TraceCheckUtils]: 4: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,087 INFO L273 TraceCheckUtils]: 5: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,087 INFO L273 TraceCheckUtils]: 6: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,087 INFO L273 TraceCheckUtils]: 7: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 8: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 9: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 10: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 11: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 12: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 13: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,088 INFO L273 TraceCheckUtils]: 14: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 15: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 16: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 17: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 18: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 19: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 20: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 21: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 22: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 23: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,089 INFO L273 TraceCheckUtils]: 24: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,090 INFO L273 TraceCheckUtils]: 25: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,090 INFO L273 TraceCheckUtils]: 26: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,090 INFO L273 TraceCheckUtils]: 27: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,090 INFO L273 TraceCheckUtils]: 28: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:22,090 INFO L273 TraceCheckUtils]: 29: Hoare triple {20350#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; {20500#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:22,091 INFO L273 TraceCheckUtils]: 30: Hoare triple {20500#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {20504#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:24:22,092 INFO L273 TraceCheckUtils]: 31: Hoare triple {20504#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {20508#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:24:22,092 INFO L273 TraceCheckUtils]: 32: Hoare triple {20508#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {20512#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:24:22,093 INFO L273 TraceCheckUtils]: 33: Hoare triple {20512#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {20516#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:24:22,094 INFO L273 TraceCheckUtils]: 34: Hoare triple {20516#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {20520#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:22,095 INFO L273 TraceCheckUtils]: 35: Hoare triple {20520#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {20524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:24:22,096 INFO L273 TraceCheckUtils]: 36: Hoare triple {20524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {20528#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:24:22,097 INFO L273 TraceCheckUtils]: 37: Hoare triple {20528#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {20532#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:24:22,098 INFO L273 TraceCheckUtils]: 38: Hoare triple {20532#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {20536#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:24:22,099 INFO L273 TraceCheckUtils]: 39: Hoare triple {20536#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {20540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:24:22,100 INFO L273 TraceCheckUtils]: 40: Hoare triple {20540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {20544#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:24:22,101 INFO L273 TraceCheckUtils]: 41: Hoare triple {20544#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {20548#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:24:22,102 INFO L273 TraceCheckUtils]: 42: Hoare triple {20548#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {20552#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:24:22,103 INFO L273 TraceCheckUtils]: 43: Hoare triple {20552#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {20556#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:24:22,104 INFO L273 TraceCheckUtils]: 44: Hoare triple {20556#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {20560#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:24:22,105 INFO L273 TraceCheckUtils]: 45: Hoare triple {20560#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {20564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:24:22,106 INFO L273 TraceCheckUtils]: 46: Hoare triple {20564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {20568#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:24:22,107 INFO L273 TraceCheckUtils]: 47: Hoare triple {20568#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {20572#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:24:22,109 INFO L273 TraceCheckUtils]: 48: Hoare triple {20572#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {20576#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:24:22,110 INFO L273 TraceCheckUtils]: 49: Hoare triple {20576#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {20580#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:24:22,111 INFO L273 TraceCheckUtils]: 50: Hoare triple {20580#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {20584#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:24:22,112 INFO L273 TraceCheckUtils]: 51: Hoare triple {20584#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {20588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:24:22,113 INFO L273 TraceCheckUtils]: 52: Hoare triple {20588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {20592#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:24:22,114 INFO L273 TraceCheckUtils]: 53: Hoare triple {20592#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {20596#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:24:22,115 INFO L273 TraceCheckUtils]: 54: Hoare triple {20596#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {20600#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:24:22,116 INFO L273 TraceCheckUtils]: 55: Hoare triple {20600#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {20604#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:24:22,117 INFO L273 TraceCheckUtils]: 56: Hoare triple {20604#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {20608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:24:22,118 INFO L273 TraceCheckUtils]: 57: Hoare triple {20608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {20612#(and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2019-02-14 16:24:22,119 INFO L273 TraceCheckUtils]: 58: Hoare triple {20612#(and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0)))} 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; {20351#false} is VALID [2019-02-14 16:24:22,120 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-02-14 16:24:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-02-14 16:24:22,125 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:24:22,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:24:22,259 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:24:22,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:24:22,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:24:22,275 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:24:22,275 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:24:22,275 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:24:25,155 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-02-14 16:24:25,156 INFO L273 TraceCheckUtils]: 58: Hoare triple {20622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {20351#false} is VALID [2019-02-14 16:24:25,158 INFO L273 TraceCheckUtils]: 57: Hoare triple {20626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {20622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,159 INFO L273 TraceCheckUtils]: 56: Hoare triple {20630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {20626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:25,160 INFO L273 TraceCheckUtils]: 55: Hoare triple {20634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {20630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:24:25,161 INFO L273 TraceCheckUtils]: 54: Hoare triple {20638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {20634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,162 INFO L273 TraceCheckUtils]: 53: Hoare triple {20642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {20638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,163 INFO L273 TraceCheckUtils]: 52: Hoare triple {20646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {20642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:24:25,165 INFO L273 TraceCheckUtils]: 51: Hoare triple {20650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {20646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:25,166 INFO L273 TraceCheckUtils]: 50: Hoare triple {20654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {20650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,167 INFO L273 TraceCheckUtils]: 49: Hoare triple {20658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {20654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,168 INFO L273 TraceCheckUtils]: 48: Hoare triple {20662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {20658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:24:25,169 INFO L273 TraceCheckUtils]: 47: Hoare triple {20666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {20662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,170 INFO L273 TraceCheckUtils]: 46: Hoare triple {20670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {20666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:24:25,171 INFO L273 TraceCheckUtils]: 45: Hoare triple {20674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {20670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,173 INFO L273 TraceCheckUtils]: 44: Hoare triple {20678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {20674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:24:25,174 INFO L273 TraceCheckUtils]: 43: Hoare triple {20682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {20678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,175 INFO L273 TraceCheckUtils]: 42: Hoare triple {20686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {20682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:24:25,176 INFO L273 TraceCheckUtils]: 41: Hoare triple {20690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {20686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:24:25,177 INFO L273 TraceCheckUtils]: 40: Hoare triple {20694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {20690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:24:25,178 INFO L273 TraceCheckUtils]: 39: Hoare triple {20698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {20694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:24:25,179 INFO L273 TraceCheckUtils]: 38: Hoare triple {20702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {20698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:24:25,181 INFO L273 TraceCheckUtils]: 37: Hoare triple {20706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {20702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:24:25,182 INFO L273 TraceCheckUtils]: 36: Hoare triple {20710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {20706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,183 INFO L273 TraceCheckUtils]: 35: Hoare triple {20714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {20710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:24:25,184 INFO L273 TraceCheckUtils]: 34: Hoare triple {20718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {20714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,185 INFO L273 TraceCheckUtils]: 33: Hoare triple {20722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {20718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:25,186 INFO L273 TraceCheckUtils]: 32: Hoare triple {20726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {20722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:24:25,187 INFO L273 TraceCheckUtils]: 31: Hoare triple {20730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {20726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:24:25,189 INFO L273 TraceCheckUtils]: 30: Hoare triple {20734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {20730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:24:25,190 INFO L273 TraceCheckUtils]: 29: Hoare triple {20350#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; {20734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:24:25,190 INFO L273 TraceCheckUtils]: 28: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,190 INFO L273 TraceCheckUtils]: 27: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,190 INFO L273 TraceCheckUtils]: 26: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,190 INFO L273 TraceCheckUtils]: 25: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,191 INFO L273 TraceCheckUtils]: 24: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,191 INFO L273 TraceCheckUtils]: 23: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,191 INFO L273 TraceCheckUtils]: 22: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,191 INFO L273 TraceCheckUtils]: 21: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,191 INFO L273 TraceCheckUtils]: 20: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 19: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 18: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 17: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 16: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 15: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 14: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 13: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,192 INFO L273 TraceCheckUtils]: 12: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 11: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 10: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 9: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 8: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 7: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 6: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 5: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 4: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 3: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,193 INFO L273 TraceCheckUtils]: 2: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,194 INFO L273 TraceCheckUtils]: 1: Hoare triple {20350#true} 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; {20350#true} is VALID [2019-02-14 16:24:25,194 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#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; {20350#true} is VALID [2019-02-14 16:24:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-02-14 16:24:25,216 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:24:25,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 31, 31] total 118 [2019-02-14 16:24:25,216 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:24:25,217 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-02-14 16:24:25,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:24:25,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 89 states. [2019-02-14 16:24:25,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:25,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 89 states [2019-02-14 16:24:25,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2019-02-14 16:24:25,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1858, Invalid=11948, Unknown=0, NotChecked=0, Total=13806 [2019-02-14 16:24:25,303 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 89 states. [2019-02-14 16:24:42,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:42,485 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2019-02-14 16:24:42,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2019-02-14 16:24:42,486 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-02-14 16:24:42,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:24:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-02-14 16:24:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-02-14 16:24:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-02-14 16:24:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-02-14 16:24:42,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 99 transitions. [2019-02-14 16:24:42,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:42,602 INFO L225 Difference]: With dead ends: 95 [2019-02-14 16:24:42,602 INFO L226 Difference]: Without dead ends: 63 [2019-02-14 16:24:42,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=2983, Invalid=19667, Unknown=0, NotChecked=0, Total=22650 [2019-02-14 16:24:42,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-02-14 16:24:44,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-02-14 16:24:44,049 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:24:44,049 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 63 states. [2019-02-14 16:24:44,050 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-02-14 16:24:44,050 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-02-14 16:24:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:44,051 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-02-14 16:24:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-02-14 16:24:44,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:44,052 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:44,052 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-02-14 16:24:44,052 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-02-14 16:24:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:24:44,053 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-02-14 16:24:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-02-14 16:24:44,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:24:44,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:24:44,053 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:24:44,053 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:24:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-02-14 16:24:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2019-02-14 16:24:44,054 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 60 [2019-02-14 16:24:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:24:44,055 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2019-02-14 16:24:44,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2019-02-14 16:24:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-02-14 16:24:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-02-14 16:24:44,055 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:24:44,055 INFO L402 BasicCegarLoop]: trace histogram [29, 29, 1, 1, 1, 1] [2019-02-14 16:24:44,055 INFO L423 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:24:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:24:44,056 INFO L82 PathProgramCache]: Analyzing trace with hash -228988683, now seen corresponding path program 43 times [2019-02-14 16:24:44,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:24:44,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:44,056 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:24:44,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:24:44,057 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:24:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:46,524 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#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; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,525 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,526 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,527 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:24:46,528 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,529 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:24:46,530 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,531 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:24:46,532 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,533 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,534 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,535 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:24:46,536 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,537 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,538 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,539 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:24:46,540 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:24:46,541 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,542 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,543 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,544 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,545 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,546 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:24:46,547 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:24:46,548 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,549 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,550 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:24:46,551 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:46,552 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {21357#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:24:46,553 INFO L273 TraceCheckUtils]: 29: Hoare triple {21357#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:46,554 INFO L273 TraceCheckUtils]: 30: Hoare triple {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,555 INFO L273 TraceCheckUtils]: 31: Hoare triple {21359#(= (+ ULTIMATE.start_main_~j~6 29) 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; {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,557 INFO L273 TraceCheckUtils]: 32: Hoare triple {21360#(= (+ ULTIMATE.start_main_~j~6 28) 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; {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,558 INFO L273 TraceCheckUtils]: 33: Hoare triple {21361#(= (+ ULTIMATE.start_main_~j~6 27) 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; {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,559 INFO L273 TraceCheckUtils]: 34: Hoare triple {21362#(= (+ ULTIMATE.start_main_~j~6 26) 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; {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,560 INFO L273 TraceCheckUtils]: 35: Hoare triple {21363#(= (+ ULTIMATE.start_main_~j~6 25) 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; {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,561 INFO L273 TraceCheckUtils]: 36: Hoare triple {21364#(= (+ ULTIMATE.start_main_~j~6 24) 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; {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,562 INFO L273 TraceCheckUtils]: 37: Hoare triple {21365#(= (+ ULTIMATE.start_main_~j~6 23) 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; {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,563 INFO L273 TraceCheckUtils]: 38: Hoare triple {21366#(= (+ ULTIMATE.start_main_~j~6 22) 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; {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,564 INFO L273 TraceCheckUtils]: 39: Hoare triple {21367#(= (+ ULTIMATE.start_main_~j~6 21) 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; {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,565 INFO L273 TraceCheckUtils]: 40: Hoare triple {21368#(= (+ ULTIMATE.start_main_~j~6 20) 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; {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,566 INFO L273 TraceCheckUtils]: 41: Hoare triple {21369#(= (+ ULTIMATE.start_main_~j~6 19) 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; {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,567 INFO L273 TraceCheckUtils]: 42: Hoare triple {21370#(= (+ ULTIMATE.start_main_~j~6 18) 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; {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,568 INFO L273 TraceCheckUtils]: 43: Hoare triple {21371#(= (+ ULTIMATE.start_main_~j~6 17) 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; {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,569 INFO L273 TraceCheckUtils]: 44: Hoare triple {21372#(= (+ ULTIMATE.start_main_~j~6 16) 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; {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,570 INFO L273 TraceCheckUtils]: 45: Hoare triple {21373#(= (+ ULTIMATE.start_main_~j~6 15) 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; {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,571 INFO L273 TraceCheckUtils]: 46: Hoare triple {21374#(= (+ ULTIMATE.start_main_~j~6 14) 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; {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,572 INFO L273 TraceCheckUtils]: 47: Hoare triple {21375#(= (+ ULTIMATE.start_main_~j~6 13) 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; {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,573 INFO L273 TraceCheckUtils]: 48: Hoare triple {21376#(= (+ ULTIMATE.start_main_~j~6 12) 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; {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,574 INFO L273 TraceCheckUtils]: 49: Hoare triple {21377#(= (+ ULTIMATE.start_main_~j~6 11) 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; {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,575 INFO L273 TraceCheckUtils]: 50: Hoare triple {21378#(= (+ ULTIMATE.start_main_~j~6 10) 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; {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,576 INFO L273 TraceCheckUtils]: 51: Hoare triple {21379#(= (+ ULTIMATE.start_main_~j~6 9) 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; {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,577 INFO L273 TraceCheckUtils]: 52: Hoare triple {21380#(= (+ ULTIMATE.start_main_~j~6 8) 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; {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,578 INFO L273 TraceCheckUtils]: 53: Hoare triple {21381#(= (+ ULTIMATE.start_main_~j~6 7) 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; {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,579 INFO L273 TraceCheckUtils]: 54: Hoare triple {21382#(= (+ ULTIMATE.start_main_~j~6 6) 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; {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,580 INFO L273 TraceCheckUtils]: 55: Hoare triple {21383#(= (+ ULTIMATE.start_main_~j~6 5) 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; {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,581 INFO L273 TraceCheckUtils]: 56: Hoare triple {21384#(= (+ ULTIMATE.start_main_~j~6 4) 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; {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,582 INFO L273 TraceCheckUtils]: 57: Hoare triple {21385#(= (+ ULTIMATE.start_main_~j~6 3) 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; {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,583 INFO L273 TraceCheckUtils]: 58: Hoare triple {21386#(= (+ ULTIMATE.start_main_~j~6 2) 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; {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:46,584 INFO L273 TraceCheckUtils]: 59: Hoare triple {21387#(= (+ 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; {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:24:46,585 INFO L273 TraceCheckUtils]: 60: Hoare triple {21388#(= (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; {21328#false} is VALID [2019-02-14 16:24:46,585 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-02-14 16:24:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:46,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:46,591 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:24:46,591 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:24:46,591 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:24:46,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:24:46,592 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:24:46,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:24:46,600 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:24:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:24:46,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:24:49,094 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:24:49,095 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:24:49,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:24:49,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:24:49,105 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:24:49,105 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_637]. (and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_637 28 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 29)) [2019-02-14 16:24:49,105 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29)) [2019-02-14 16:24:49,198 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#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; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,199 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,200 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,201 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:24:49,202 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,205 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:24:49,211 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,213 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:24:49,213 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,215 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,215 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,217 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:24:49,218 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,219 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,220 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,221 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:24:49,222 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:24:49,223 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,224 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,227 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,228 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,229 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,229 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:24:49,230 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:24:49,231 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,232 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,233 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:24:49,234 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,235 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:49,236 INFO L273 TraceCheckUtils]: 29: Hoare triple {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {21480#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:24:49,237 INFO L273 TraceCheckUtils]: 30: Hoare triple {21480#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {21484#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,238 INFO L273 TraceCheckUtils]: 31: Hoare triple {21484#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21488#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,239 INFO L273 TraceCheckUtils]: 32: Hoare triple {21488#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21492#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,240 INFO L273 TraceCheckUtils]: 33: Hoare triple {21492#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21496#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,241 INFO L273 TraceCheckUtils]: 34: Hoare triple {21496#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21500#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,242 INFO L273 TraceCheckUtils]: 35: Hoare triple {21500#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21504#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,242 INFO L273 TraceCheckUtils]: 36: Hoare triple {21504#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21508#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:24:49,243 INFO L273 TraceCheckUtils]: 37: Hoare triple {21508#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 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; {21512#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,244 INFO L273 TraceCheckUtils]: 38: Hoare triple {21512#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21516#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,245 INFO L273 TraceCheckUtils]: 39: Hoare triple {21516#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21520#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,246 INFO L273 TraceCheckUtils]: 40: Hoare triple {21520#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21524#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,247 INFO L273 TraceCheckUtils]: 41: Hoare triple {21524#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21528#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,248 INFO L273 TraceCheckUtils]: 42: Hoare triple {21528#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21532#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,248 INFO L273 TraceCheckUtils]: 43: Hoare triple {21532#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21536#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,249 INFO L273 TraceCheckUtils]: 44: Hoare triple {21536#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21540#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,250 INFO L273 TraceCheckUtils]: 45: Hoare triple {21540#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21544#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:24:49,251 INFO L273 TraceCheckUtils]: 46: Hoare triple {21544#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 15))} 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; {21548#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,252 INFO L273 TraceCheckUtils]: 47: Hoare triple {21548#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21552#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,253 INFO L273 TraceCheckUtils]: 48: Hoare triple {21552#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21556#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,254 INFO L273 TraceCheckUtils]: 49: Hoare triple {21556#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21560#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,254 INFO L273 TraceCheckUtils]: 50: Hoare triple {21560#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21564#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,255 INFO L273 TraceCheckUtils]: 51: Hoare triple {21564#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21568#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,256 INFO L273 TraceCheckUtils]: 52: Hoare triple {21568#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21572#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:24:49,257 INFO L273 TraceCheckUtils]: 53: Hoare triple {21572#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 22))} 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; {21576#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,258 INFO L273 TraceCheckUtils]: 54: Hoare triple {21576#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21580#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,259 INFO L273 TraceCheckUtils]: 55: Hoare triple {21580#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21584#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,259 INFO L273 TraceCheckUtils]: 56: Hoare triple {21584#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21588#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,260 INFO L273 TraceCheckUtils]: 57: Hoare triple {21588#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21592#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,261 INFO L273 TraceCheckUtils]: 58: Hoare triple {21592#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21596#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,262 INFO L273 TraceCheckUtils]: 59: Hoare triple {21596#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21600#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2019-02-14 16:24:49,263 INFO L273 TraceCheckUtils]: 60: Hoare triple {21600#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29))} 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; {21328#false} is VALID [2019-02-14 16:24:49,264 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-02-14 16:24:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:49,271 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:24:49,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:24:49,307 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:24:49,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:24:49,310 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:24:49,312 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:24:49,312 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:24:49,313 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:24:50,326 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-02-14 16:24:50,327 INFO L273 TraceCheckUtils]: 60: Hoare triple {21388#(= (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; {21328#false} is VALID [2019-02-14 16:24:50,329 INFO L273 TraceCheckUtils]: 59: Hoare triple {21387#(= (+ 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; {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:24:50,330 INFO L273 TraceCheckUtils]: 58: Hoare triple {21386#(= (+ ULTIMATE.start_main_~j~6 2) 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; {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,331 INFO L273 TraceCheckUtils]: 57: Hoare triple {21385#(= (+ ULTIMATE.start_main_~j~6 3) 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; {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,332 INFO L273 TraceCheckUtils]: 56: Hoare triple {21384#(= (+ ULTIMATE.start_main_~j~6 4) 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; {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,333 INFO L273 TraceCheckUtils]: 55: Hoare triple {21383#(= (+ ULTIMATE.start_main_~j~6 5) 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; {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,343 INFO L273 TraceCheckUtils]: 54: Hoare triple {21382#(= (+ ULTIMATE.start_main_~j~6 6) 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; {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,344 INFO L273 TraceCheckUtils]: 53: Hoare triple {21381#(= (+ ULTIMATE.start_main_~j~6 7) 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; {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,344 INFO L273 TraceCheckUtils]: 52: Hoare triple {21380#(= (+ ULTIMATE.start_main_~j~6 8) 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; {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,346 INFO L273 TraceCheckUtils]: 51: Hoare triple {21379#(= (+ ULTIMATE.start_main_~j~6 9) 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; {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,346 INFO L273 TraceCheckUtils]: 50: Hoare triple {21378#(= (+ ULTIMATE.start_main_~j~6 10) 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; {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,348 INFO L273 TraceCheckUtils]: 49: Hoare triple {21377#(= (+ ULTIMATE.start_main_~j~6 11) 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; {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,349 INFO L273 TraceCheckUtils]: 48: Hoare triple {21376#(= (+ ULTIMATE.start_main_~j~6 12) 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; {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,350 INFO L273 TraceCheckUtils]: 47: Hoare triple {21375#(= (+ ULTIMATE.start_main_~j~6 13) 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; {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,351 INFO L273 TraceCheckUtils]: 46: Hoare triple {21374#(= (+ ULTIMATE.start_main_~j~6 14) 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; {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,352 INFO L273 TraceCheckUtils]: 45: Hoare triple {21373#(= (+ ULTIMATE.start_main_~j~6 15) 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; {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,353 INFO L273 TraceCheckUtils]: 44: Hoare triple {21372#(= (+ ULTIMATE.start_main_~j~6 16) 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; {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,354 INFO L273 TraceCheckUtils]: 43: Hoare triple {21371#(= (+ ULTIMATE.start_main_~j~6 17) 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; {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,356 INFO L273 TraceCheckUtils]: 42: Hoare triple {21370#(= (+ ULTIMATE.start_main_~j~6 18) 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; {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,357 INFO L273 TraceCheckUtils]: 41: Hoare triple {21369#(= (+ ULTIMATE.start_main_~j~6 19) 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; {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,358 INFO L273 TraceCheckUtils]: 40: Hoare triple {21368#(= (+ ULTIMATE.start_main_~j~6 20) 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; {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,359 INFO L273 TraceCheckUtils]: 39: Hoare triple {21367#(= (+ ULTIMATE.start_main_~j~6 21) 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; {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,360 INFO L273 TraceCheckUtils]: 38: Hoare triple {21366#(= (+ ULTIMATE.start_main_~j~6 22) 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; {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,361 INFO L273 TraceCheckUtils]: 37: Hoare triple {21365#(= (+ ULTIMATE.start_main_~j~6 23) 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; {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,362 INFO L273 TraceCheckUtils]: 36: Hoare triple {21364#(= (+ ULTIMATE.start_main_~j~6 24) 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; {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,363 INFO L273 TraceCheckUtils]: 35: Hoare triple {21363#(= (+ ULTIMATE.start_main_~j~6 25) 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; {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,364 INFO L273 TraceCheckUtils]: 34: Hoare triple {21362#(= (+ ULTIMATE.start_main_~j~6 26) 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; {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,365 INFO L273 TraceCheckUtils]: 33: Hoare triple {21361#(= (+ ULTIMATE.start_main_~j~6 27) 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; {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,366 INFO L273 TraceCheckUtils]: 32: Hoare triple {21360#(= (+ ULTIMATE.start_main_~j~6 28) 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; {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,367 INFO L273 TraceCheckUtils]: 31: Hoare triple {21359#(= (+ ULTIMATE.start_main_~j~6 29) 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; {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,372 INFO L273 TraceCheckUtils]: 30: Hoare triple {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:24:50,373 INFO L273 TraceCheckUtils]: 29: Hoare triple {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:24:50,374 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,374 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,376 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:24:50,376 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,377 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,378 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:24:50,379 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:24:50,380 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,381 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,382 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,383 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,384 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,385 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:24:50,386 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:24:50,387 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,388 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,389 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,390 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:24:50,391 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,392 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,393 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,394 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:24:50,395 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,396 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:24:50,397 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,398 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:24:50,399 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,400 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,401 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#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; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:24:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:24:50,427 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:24:50,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 93 [2019-02-14 16:24:50,427 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:24:50,428 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-02-14 16:24:50,428 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:24:50,428 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states. [2019-02-14 16:24:50,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:24:50,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 94 states [2019-02-14 16:24:50,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2019-02-14 16:24:50,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=8465, Unknown=0, NotChecked=0, Total=8742 [2019-02-14 16:24:50,584 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 94 states. [2019-02-14 16:25:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:08,097 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2019-02-14 16:25:08,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-02-14 16:25:08,097 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-02-14 16:25:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:25:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-02-14 16:25:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-02-14 16:25:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-02-14 16:25:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-02-14 16:25:08,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states and 70 transitions. [2019-02-14 16:25:08,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:08,174 INFO L225 Difference]: With dead ends: 96 [2019-02-14 16:25:08,174 INFO L226 Difference]: Without dead ends: 64 [2019-02-14 16:25:08,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 67 SyntacticMatches, 24 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=586, Invalid=15164, Unknown=0, NotChecked=0, Total=15750 [2019-02-14 16:25:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-02-14 16:25:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-02-14 16:25:09,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:25:09,653 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2019-02-14 16:25:09,653 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-02-14 16:25:09,653 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-02-14 16:25:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:09,654 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-02-14 16:25:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-02-14 16:25:09,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:09,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:09,655 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-02-14 16:25:09,655 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-02-14 16:25:09,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:09,656 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-02-14 16:25:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-02-14 16:25:09,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:09,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:09,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:25:09,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:25:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-02-14 16:25:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2019-02-14 16:25:09,658 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 62 [2019-02-14 16:25:09,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:25:09,658 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2019-02-14 16:25:09,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 94 states. [2019-02-14 16:25:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-02-14 16:25:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-02-14 16:25:09,658 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:25:09,659 INFO L402 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1, 1] [2019-02-14 16:25:09,659 INFO L423 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:25:09,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:25:09,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001236, now seen corresponding path program 44 times [2019-02-14 16:25:09,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:25:09,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:09,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:25:09,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:09,660 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:25:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:10,533 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,535 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,536 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,536 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,537 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,538 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,539 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,540 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,541 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,542 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,543 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,544 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,545 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,546 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,547 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,548 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,548 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,549 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,550 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,551 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,552 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,553 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,554 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,555 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,556 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,557 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,558 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,559 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,559 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,560 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,561 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:10,562 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,563 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,564 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,565 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,566 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,567 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,574 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,575 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,576 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,576 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,577 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,577 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,578 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,579 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,580 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,580 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,581 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,582 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,583 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,584 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,585 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,586 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,587 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,588 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,589 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,590 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,590 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,591 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,592 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,593 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:10,594 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} 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; {22297#false} is VALID [2019-02-14 16:25:10,594 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-02-14 16:25:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:10,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:10,599 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:25:10,599 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:25:10,599 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:25:10,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:10,599 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:25:10,609 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:25:10,609 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:25:10,759 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2019-02-14 16:25:10,759 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:25:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:10,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:25:11,422 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,423 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,425 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,426 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,427 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,428 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,429 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,430 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,431 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,432 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,432 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,433 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,434 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,435 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,436 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,437 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,438 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,439 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,440 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,441 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,442 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,443 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,443 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,444 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,445 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,446 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,447 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,448 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,449 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,450 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:11,451 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,452 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,453 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,454 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,455 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,455 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,456 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,457 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,458 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,459 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,460 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,461 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,462 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,463 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,464 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,465 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,466 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,466 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,467 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,468 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,469 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,470 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,471 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,472 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,473 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,474 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,474 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,475 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,476 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,477 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:11,478 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} 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; {22297#false} is VALID [2019-02-14 16:25:11,478 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-02-14 16:25:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:11,483 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:25:12,521 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-02-14 16:25:12,522 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} 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; {22297#false} is VALID [2019-02-14 16:25:12,522 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,523 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,523 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,524 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,524 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,525 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,526 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,527 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,528 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,529 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,530 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,531 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,532 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,533 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,533 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,534 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,535 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,536 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,537 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,538 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,539 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,540 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,541 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,542 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,543 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,543 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,544 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,545 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,546 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,547 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,548 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~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; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:12,549 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~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; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,550 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~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; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,551 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~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; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,552 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~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; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,553 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~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; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,554 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~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; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,555 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~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; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,555 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~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; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,556 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~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; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,557 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~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; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,558 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~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; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,559 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~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; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,560 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~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; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,561 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~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; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,562 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~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; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,563 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~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; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,564 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~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; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,565 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~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; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,565 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~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; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,566 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~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; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,567 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~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; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,568 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~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; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,569 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~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; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,570 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~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; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,571 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~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; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,572 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~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; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,573 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~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; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,574 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~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; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,575 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~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; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,575 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#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; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:25:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:12,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:25:12,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 32 [2019-02-14 16:25:12,600 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:25:12,600 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-02-14 16:25:12,600 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:25:12,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2019-02-14 16:25:12,674 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:12,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-02-14 16:25:12,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-02-14 16:25:12,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2019-02-14 16:25:12,675 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 33 states. [2019-02-14 16:25:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:15,135 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-02-14 16:25:15,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-02-14 16:25:15,135 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-02-14 16:25:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:25:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-02-14 16:25:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-02-14 16:25:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-02-14 16:25:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-02-14 16:25:15,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 63 states and 68 transitions. [2019-02-14 16:25:15,197 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:15,198 INFO L225 Difference]: With dead ends: 67 [2019-02-14 16:25:15,198 INFO L226 Difference]: Without dead ends: 65 [2019-02-14 16:25:15,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 95 SyntacticMatches, 60 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2019-02-14 16:25:15,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-02-14 16:25:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-02-14 16:25:16,944 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:25:16,944 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2019-02-14 16:25:16,944 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-02-14 16:25:16,944 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-02-14 16:25:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:16,945 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-02-14 16:25:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-02-14 16:25:16,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:16,946 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:16,946 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-02-14 16:25:16,946 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-02-14 16:25:16,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:16,947 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-02-14 16:25:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-02-14 16:25:16,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:16,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:16,948 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:25:16,948 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:25:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-02-14 16:25:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2019-02-14 16:25:16,949 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 63 [2019-02-14 16:25:16,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:25:16,949 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2019-02-14 16:25:16,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-02-14 16:25:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-02-14 16:25:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-02-14 16:25:16,950 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:25:16,950 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1] [2019-02-14 16:25:16,950 INFO L423 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:25:16,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:25:16,950 INFO L82 PathProgramCache]: Analyzing trace with hash -785494358, now seen corresponding path program 45 times [2019-02-14 16:25:16,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:25:16,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:16,951 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:25:16,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:16,951 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:25:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:19,411 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#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; {23154#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,412 INFO L273 TraceCheckUtils]: 1: Hoare triple {23154#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {23155#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,414 INFO L273 TraceCheckUtils]: 2: Hoare triple {23155#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {23156#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,415 INFO L273 TraceCheckUtils]: 3: Hoare triple {23156#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {23157#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:25:19,416 INFO L273 TraceCheckUtils]: 4: Hoare triple {23157#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {23158#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,417 INFO L273 TraceCheckUtils]: 5: Hoare triple {23158#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {23159#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:25:19,418 INFO L273 TraceCheckUtils]: 6: Hoare triple {23159#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {23160#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,419 INFO L273 TraceCheckUtils]: 7: Hoare triple {23160#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {23161#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:25:19,420 INFO L273 TraceCheckUtils]: 8: Hoare triple {23161#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {23162#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,420 INFO L273 TraceCheckUtils]: 9: Hoare triple {23162#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {23163#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,421 INFO L273 TraceCheckUtils]: 10: Hoare triple {23163#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {23164#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,422 INFO L273 TraceCheckUtils]: 11: Hoare triple {23164#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {23165#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:25:19,423 INFO L273 TraceCheckUtils]: 12: Hoare triple {23165#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {23166#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,424 INFO L273 TraceCheckUtils]: 13: Hoare triple {23166#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {23167#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,425 INFO L273 TraceCheckUtils]: 14: Hoare triple {23167#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {23168#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,426 INFO L273 TraceCheckUtils]: 15: Hoare triple {23168#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {23169#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:25:19,427 INFO L273 TraceCheckUtils]: 16: Hoare triple {23169#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {23170#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:25:19,428 INFO L273 TraceCheckUtils]: 17: Hoare triple {23170#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {23171#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,429 INFO L273 TraceCheckUtils]: 18: Hoare triple {23171#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {23172#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,430 INFO L273 TraceCheckUtils]: 19: Hoare triple {23172#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {23173#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,431 INFO L273 TraceCheckUtils]: 20: Hoare triple {23173#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {23174#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,432 INFO L273 TraceCheckUtils]: 21: Hoare triple {23174#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {23175#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,433 INFO L273 TraceCheckUtils]: 22: Hoare triple {23175#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {23176#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:25:19,434 INFO L273 TraceCheckUtils]: 23: Hoare triple {23176#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {23177#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:25:19,435 INFO L273 TraceCheckUtils]: 24: Hoare triple {23177#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {23178#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,436 INFO L273 TraceCheckUtils]: 25: Hoare triple {23178#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {23179#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,437 INFO L273 TraceCheckUtils]: 26: Hoare triple {23179#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {23180#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:25:19,438 INFO L273 TraceCheckUtils]: 27: Hoare triple {23180#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {23181#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,439 INFO L273 TraceCheckUtils]: 28: Hoare triple {23181#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {23182#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:19,440 INFO L273 TraceCheckUtils]: 29: Hoare triple {23182#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {23183#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29)))} is VALID [2019-02-14 16:25:19,442 INFO L273 TraceCheckUtils]: 30: Hoare triple {23183#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29)))} 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; {23184#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 30 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:19,443 INFO L273 TraceCheckUtils]: 31: Hoare triple {23184#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 30 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; {23185#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,444 INFO L273 TraceCheckUtils]: 32: Hoare triple {23185#(= (+ ULTIMATE.start_main_~j~6 30) 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; {23186#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,445 INFO L273 TraceCheckUtils]: 33: Hoare triple {23186#(= (+ ULTIMATE.start_main_~j~6 29) 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; {23187#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,446 INFO L273 TraceCheckUtils]: 34: Hoare triple {23187#(= (+ ULTIMATE.start_main_~j~6 28) 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; {23188#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,450 INFO L273 TraceCheckUtils]: 35: Hoare triple {23188#(= (+ ULTIMATE.start_main_~j~6 27) 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; {23189#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,451 INFO L273 TraceCheckUtils]: 36: Hoare triple {23189#(= (+ ULTIMATE.start_main_~j~6 26) 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; {23190#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,451 INFO L273 TraceCheckUtils]: 37: Hoare triple {23190#(= (+ ULTIMATE.start_main_~j~6 25) 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; {23191#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,452 INFO L273 TraceCheckUtils]: 38: Hoare triple {23191#(= (+ ULTIMATE.start_main_~j~6 24) 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; {23192#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,452 INFO L273 TraceCheckUtils]: 39: Hoare triple {23192#(= (+ ULTIMATE.start_main_~j~6 23) 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; {23193#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,453 INFO L273 TraceCheckUtils]: 40: Hoare triple {23193#(= (+ ULTIMATE.start_main_~j~6 22) 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; {23194#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,454 INFO L273 TraceCheckUtils]: 41: Hoare triple {23194#(= (+ ULTIMATE.start_main_~j~6 21) 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; {23195#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,454 INFO L273 TraceCheckUtils]: 42: Hoare triple {23195#(= (+ ULTIMATE.start_main_~j~6 20) 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; {23196#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,455 INFO L273 TraceCheckUtils]: 43: Hoare triple {23196#(= (+ ULTIMATE.start_main_~j~6 19) 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; {23197#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,456 INFO L273 TraceCheckUtils]: 44: Hoare triple {23197#(= (+ ULTIMATE.start_main_~j~6 18) 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; {23198#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,457 INFO L273 TraceCheckUtils]: 45: Hoare triple {23198#(= (+ ULTIMATE.start_main_~j~6 17) 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; {23199#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,458 INFO L273 TraceCheckUtils]: 46: Hoare triple {23199#(= (+ ULTIMATE.start_main_~j~6 16) 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; {23200#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,459 INFO L273 TraceCheckUtils]: 47: Hoare triple {23200#(= (+ ULTIMATE.start_main_~j~6 15) 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; {23201#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,460 INFO L273 TraceCheckUtils]: 48: Hoare triple {23201#(= (+ ULTIMATE.start_main_~j~6 14) 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; {23202#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,461 INFO L273 TraceCheckUtils]: 49: Hoare triple {23202#(= (+ ULTIMATE.start_main_~j~6 13) 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; {23203#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,462 INFO L273 TraceCheckUtils]: 50: Hoare triple {23203#(= (+ ULTIMATE.start_main_~j~6 12) 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; {23204#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,463 INFO L273 TraceCheckUtils]: 51: Hoare triple {23204#(= (+ ULTIMATE.start_main_~j~6 11) 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; {23205#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,464 INFO L273 TraceCheckUtils]: 52: Hoare triple {23205#(= (+ ULTIMATE.start_main_~j~6 10) 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; {23206#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,465 INFO L273 TraceCheckUtils]: 53: Hoare triple {23206#(= (+ ULTIMATE.start_main_~j~6 9) 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; {23207#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,466 INFO L273 TraceCheckUtils]: 54: Hoare triple {23207#(= (+ ULTIMATE.start_main_~j~6 8) 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; {23208#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,467 INFO L273 TraceCheckUtils]: 55: Hoare triple {23208#(= (+ ULTIMATE.start_main_~j~6 7) 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; {23209#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,468 INFO L273 TraceCheckUtils]: 56: Hoare triple {23209#(= (+ ULTIMATE.start_main_~j~6 6) 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; {23210#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,469 INFO L273 TraceCheckUtils]: 57: Hoare triple {23210#(= (+ ULTIMATE.start_main_~j~6 5) 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; {23211#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,470 INFO L273 TraceCheckUtils]: 58: Hoare triple {23211#(= (+ ULTIMATE.start_main_~j~6 4) 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; {23212#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,471 INFO L273 TraceCheckUtils]: 59: Hoare triple {23212#(= (+ ULTIMATE.start_main_~j~6 3) 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; {23213#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,472 INFO L273 TraceCheckUtils]: 60: Hoare triple {23213#(= (+ ULTIMATE.start_main_~j~6 2) 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; {23214#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:19,474 INFO L273 TraceCheckUtils]: 61: Hoare triple {23214#(= (+ 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; {23215#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:25:19,475 INFO L273 TraceCheckUtils]: 62: Hoare triple {23215#(= (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; {23153#false} is VALID [2019-02-14 16:25:19,475 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-02-14 16:25:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:19,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:19,481 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:25:19,481 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:25:19,481 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:25:19,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:19,481 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:25:19,490 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:25:19,490 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:25:19,531 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:25:19,531 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:25:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:19,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:25:23,041 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:25:23,043 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:25:23,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:25:23,050 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:25:23,053 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:25:23,053 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_696]. (and (<= 30 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_696 29 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31))) [2019-02-14 16:25:23,054 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31))) [2019-02-14 16:25:23,152 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#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; {23152#true} is VALID [2019-02-14 16:25:23,153 INFO L273 TraceCheckUtils]: 1: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,153 INFO L273 TraceCheckUtils]: 2: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,153 INFO L273 TraceCheckUtils]: 3: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,153 INFO L273 TraceCheckUtils]: 4: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,153 INFO L273 TraceCheckUtils]: 5: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,154 INFO L273 TraceCheckUtils]: 6: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,154 INFO L273 TraceCheckUtils]: 7: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,154 INFO L273 TraceCheckUtils]: 8: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,154 INFO L273 TraceCheckUtils]: 9: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,154 INFO L273 TraceCheckUtils]: 10: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 11: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 12: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 13: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 14: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 15: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,155 INFO L273 TraceCheckUtils]: 16: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,156 INFO L273 TraceCheckUtils]: 17: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,156 INFO L273 TraceCheckUtils]: 18: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,156 INFO L273 TraceCheckUtils]: 19: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,156 INFO L273 TraceCheckUtils]: 20: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,156 INFO L273 TraceCheckUtils]: 21: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 22: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 23: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 24: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 25: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 26: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 27: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 28: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 29: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,157 INFO L273 TraceCheckUtils]: 30: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:23,158 INFO L273 TraceCheckUtils]: 31: Hoare triple {23152#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; {23312#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:23,159 INFO L273 TraceCheckUtils]: 32: Hoare triple {23312#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {23316#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:25:23,159 INFO L273 TraceCheckUtils]: 33: Hoare triple {23316#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {23320#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:25:23,160 INFO L273 TraceCheckUtils]: 34: Hoare triple {23320#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {23324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:25:23,160 INFO L273 TraceCheckUtils]: 35: Hoare triple {23324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {23328#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:25:23,161 INFO L273 TraceCheckUtils]: 36: Hoare triple {23328#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {23332#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:23,162 INFO L273 TraceCheckUtils]: 37: Hoare triple {23332#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {23336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:25:23,163 INFO L273 TraceCheckUtils]: 38: Hoare triple {23336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {23340#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:25:23,164 INFO L273 TraceCheckUtils]: 39: Hoare triple {23340#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {23344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:25:23,165 INFO L273 TraceCheckUtils]: 40: Hoare triple {23344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {23348#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:25:23,166 INFO L273 TraceCheckUtils]: 41: Hoare triple {23348#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {23352#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:25:23,167 INFO L273 TraceCheckUtils]: 42: Hoare triple {23352#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {23356#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:25:23,168 INFO L273 TraceCheckUtils]: 43: Hoare triple {23356#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {23360#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:25:23,169 INFO L273 TraceCheckUtils]: 44: Hoare triple {23360#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {23364#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:25:23,170 INFO L273 TraceCheckUtils]: 45: Hoare triple {23364#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {23368#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:25:23,171 INFO L273 TraceCheckUtils]: 46: Hoare triple {23368#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {23372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:25:23,172 INFO L273 TraceCheckUtils]: 47: Hoare triple {23372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {23376#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:25:23,173 INFO L273 TraceCheckUtils]: 48: Hoare triple {23376#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {23380#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:25:23,174 INFO L273 TraceCheckUtils]: 49: Hoare triple {23380#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {23384#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:25:23,176 INFO L273 TraceCheckUtils]: 50: Hoare triple {23384#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {23388#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:25:23,177 INFO L273 TraceCheckUtils]: 51: Hoare triple {23388#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {23392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:25:23,178 INFO L273 TraceCheckUtils]: 52: Hoare triple {23392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {23396#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:25:23,179 INFO L273 TraceCheckUtils]: 53: Hoare triple {23396#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {23400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:25:23,180 INFO L273 TraceCheckUtils]: 54: Hoare triple {23400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {23404#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:25:23,181 INFO L273 TraceCheckUtils]: 55: Hoare triple {23404#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {23408#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:25:23,182 INFO L273 TraceCheckUtils]: 56: Hoare triple {23408#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {23412#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:25:23,183 INFO L273 TraceCheckUtils]: 57: Hoare triple {23412#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {23416#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:25:23,184 INFO L273 TraceCheckUtils]: 58: Hoare triple {23416#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {23420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:25:23,185 INFO L273 TraceCheckUtils]: 59: Hoare triple {23420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {23424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:25:23,186 INFO L273 TraceCheckUtils]: 60: Hoare triple {23424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} 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; {23428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:25:23,187 INFO L273 TraceCheckUtils]: 61: Hoare triple {23428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} 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; {23432#(and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)))} is VALID [2019-02-14 16:25:23,189 INFO L273 TraceCheckUtils]: 62: Hoare triple {23432#(and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)))} 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; {23153#false} is VALID [2019-02-14 16:25:23,189 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-02-14 16:25:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-02-14 16:25:23,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:25:23,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:25:23,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:25:23,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:25:23,336 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:25:26,574 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-02-14 16:25:26,576 INFO L273 TraceCheckUtils]: 62: Hoare triple {23442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {23153#false} is VALID [2019-02-14 16:25:26,577 INFO L273 TraceCheckUtils]: 61: Hoare triple {23446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {23442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,578 INFO L273 TraceCheckUtils]: 60: Hoare triple {23450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {23446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:26,579 INFO L273 TraceCheckUtils]: 59: Hoare triple {23454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {23450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:25:26,581 INFO L273 TraceCheckUtils]: 58: Hoare triple {23458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {23454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,582 INFO L273 TraceCheckUtils]: 57: Hoare triple {23462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {23458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,583 INFO L273 TraceCheckUtils]: 56: Hoare triple {23466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {23462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:25:26,584 INFO L273 TraceCheckUtils]: 55: Hoare triple {23470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {23466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:26,589 INFO L273 TraceCheckUtils]: 54: Hoare triple {23474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {23470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,591 INFO L273 TraceCheckUtils]: 53: Hoare triple {23478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {23474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,591 INFO L273 TraceCheckUtils]: 52: Hoare triple {23482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {23478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:25:26,593 INFO L273 TraceCheckUtils]: 51: Hoare triple {23486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {23482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,594 INFO L273 TraceCheckUtils]: 50: Hoare triple {23490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {23486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:25:26,599 INFO L273 TraceCheckUtils]: 49: Hoare triple {23494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {23490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,603 INFO L273 TraceCheckUtils]: 48: Hoare triple {23498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {23494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:25:26,603 INFO L273 TraceCheckUtils]: 47: Hoare triple {23502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {23498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,605 INFO L273 TraceCheckUtils]: 46: Hoare triple {23506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {23502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:25:26,605 INFO L273 TraceCheckUtils]: 45: Hoare triple {23510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {23506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:25:26,606 INFO L273 TraceCheckUtils]: 44: Hoare triple {23514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {23510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:25:26,607 INFO L273 TraceCheckUtils]: 43: Hoare triple {23518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {23514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:25:26,607 INFO L273 TraceCheckUtils]: 42: Hoare triple {23522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {23518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:25:26,608 INFO L273 TraceCheckUtils]: 41: Hoare triple {23526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {23522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:25:26,609 INFO L273 TraceCheckUtils]: 40: Hoare triple {23530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {23526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,610 INFO L273 TraceCheckUtils]: 39: Hoare triple {23534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {23530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:25:26,611 INFO L273 TraceCheckUtils]: 38: Hoare triple {23538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {23534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,613 INFO L273 TraceCheckUtils]: 37: Hoare triple {23542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {23538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:26,614 INFO L273 TraceCheckUtils]: 36: Hoare triple {23546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {23542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:25:26,620 INFO L273 TraceCheckUtils]: 35: Hoare triple {23550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {23546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:25:26,621 INFO L273 TraceCheckUtils]: 34: Hoare triple {23554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {23550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:25:26,622 INFO L273 TraceCheckUtils]: 33: Hoare triple {23558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} 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; {23554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:25:26,622 INFO L273 TraceCheckUtils]: 32: Hoare triple {23562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} 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; {23558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 31: Hoare triple {23152#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; {23562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 30: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 29: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 28: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 27: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,623 INFO L273 TraceCheckUtils]: 26: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 25: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 24: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 23: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 22: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 21: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 20: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 19: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 18: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,624 INFO L273 TraceCheckUtils]: 17: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,625 INFO L273 TraceCheckUtils]: 16: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,625 INFO L273 TraceCheckUtils]: 15: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,625 INFO L273 TraceCheckUtils]: 14: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,625 INFO L273 TraceCheckUtils]: 13: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,625 INFO L273 TraceCheckUtils]: 12: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 11: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 10: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 9: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 8: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 7: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 6: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,626 INFO L273 TraceCheckUtils]: 5: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,627 INFO L273 TraceCheckUtils]: 4: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,627 INFO L273 TraceCheckUtils]: 3: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,627 INFO L273 TraceCheckUtils]: 2: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,627 INFO L273 TraceCheckUtils]: 1: Hoare triple {23152#true} 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; {23152#true} is VALID [2019-02-14 16:25:26,627 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#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; {23152#true} is VALID [2019-02-14 16:25:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-02-14 16:25:26,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:25:26,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 33, 33] total 126 [2019-02-14 16:25:26,651 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:25:26,651 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-02-14 16:25:26,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:25:26,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states. [2019-02-14 16:25:26,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:26,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2019-02-14 16:25:26,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2019-02-14 16:25:26,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2110, Invalid=13640, Unknown=0, NotChecked=0, Total=15750 [2019-02-14 16:25:26,764 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 95 states. [2019-02-14 16:25:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:46,946 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2019-02-14 16:25:46,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2019-02-14 16:25:46,947 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-02-14 16:25:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:25:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-02-14 16:25:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-02-14 16:25:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-02-14 16:25:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-02-14 16:25:46,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 105 transitions. [2019-02-14 16:25:47,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:47,083 INFO L225 Difference]: With dead ends: 101 [2019-02-14 16:25:47,084 INFO L226 Difference]: Without dead ends: 67 [2019-02-14 16:25:47,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2078 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=3373, Invalid=22387, Unknown=0, NotChecked=0, Total=25760 [2019-02-14 16:25:47,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-02-14 16:25:48,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-02-14 16:25:48,676 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:25:48,676 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2019-02-14 16:25:48,676 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-02-14 16:25:48,676 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-02-14 16:25:48,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:48,677 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-02-14 16:25:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-02-14 16:25:48,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:48,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:48,678 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-02-14 16:25:48,678 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-02-14 16:25:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:25:48,679 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-02-14 16:25:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-02-14 16:25:48,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:25:48,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:25:48,680 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:25:48,680 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:25:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-02-14 16:25:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2019-02-14 16:25:48,681 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2019-02-14 16:25:48,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:25:48,681 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2019-02-14 16:25:48,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2019-02-14 16:25:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-02-14 16:25:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-02-14 16:25:48,682 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:25:48,682 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 1, 1, 1, 1] [2019-02-14 16:25:48,682 INFO L423 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:25:48,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:25:48,682 INFO L82 PathProgramCache]: Analyzing trace with hash -429274795, now seen corresponding path program 46 times [2019-02-14 16:25:48,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:25:48,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:48,683 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:25:48,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:25:48,683 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:25:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:51,336 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#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; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,337 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,338 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,339 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:25:51,340 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,341 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:25:51,342 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,343 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:25:51,344 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,345 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,346 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,347 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:25:51,348 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,349 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,350 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,351 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:25:51,352 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:25:51,353 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,354 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,355 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,356 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,357 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,358 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:25:51,359 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:25:51,360 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,361 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,362 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:25:51,363 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,364 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:51,365 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:25:51,366 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {24225#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30)))} is VALID [2019-02-14 16:25:51,367 INFO L273 TraceCheckUtils]: 31: Hoare triple {24225#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30)))} 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; {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:51,368 INFO L273 TraceCheckUtils]: 32: Hoare triple {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,369 INFO L273 TraceCheckUtils]: 33: Hoare triple {24227#(= (+ ULTIMATE.start_main_~j~6 31) 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; {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,370 INFO L273 TraceCheckUtils]: 34: Hoare triple {24228#(= (+ ULTIMATE.start_main_~j~6 30) 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; {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,371 INFO L273 TraceCheckUtils]: 35: Hoare triple {24229#(= (+ ULTIMATE.start_main_~j~6 29) 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; {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,372 INFO L273 TraceCheckUtils]: 36: Hoare triple {24230#(= (+ ULTIMATE.start_main_~j~6 28) 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; {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,373 INFO L273 TraceCheckUtils]: 37: Hoare triple {24231#(= (+ ULTIMATE.start_main_~j~6 27) 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; {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,374 INFO L273 TraceCheckUtils]: 38: Hoare triple {24232#(= (+ ULTIMATE.start_main_~j~6 26) 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; {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,375 INFO L273 TraceCheckUtils]: 39: Hoare triple {24233#(= (+ ULTIMATE.start_main_~j~6 25) 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; {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,376 INFO L273 TraceCheckUtils]: 40: Hoare triple {24234#(= (+ ULTIMATE.start_main_~j~6 24) 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; {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,377 INFO L273 TraceCheckUtils]: 41: Hoare triple {24235#(= (+ ULTIMATE.start_main_~j~6 23) 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; {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,378 INFO L273 TraceCheckUtils]: 42: Hoare triple {24236#(= (+ ULTIMATE.start_main_~j~6 22) 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; {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,379 INFO L273 TraceCheckUtils]: 43: Hoare triple {24237#(= (+ ULTIMATE.start_main_~j~6 21) 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; {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,380 INFO L273 TraceCheckUtils]: 44: Hoare triple {24238#(= (+ ULTIMATE.start_main_~j~6 20) 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; {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,381 INFO L273 TraceCheckUtils]: 45: Hoare triple {24239#(= (+ ULTIMATE.start_main_~j~6 19) 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; {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,382 INFO L273 TraceCheckUtils]: 46: Hoare triple {24240#(= (+ ULTIMATE.start_main_~j~6 18) 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; {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,383 INFO L273 TraceCheckUtils]: 47: Hoare triple {24241#(= (+ ULTIMATE.start_main_~j~6 17) 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; {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,384 INFO L273 TraceCheckUtils]: 48: Hoare triple {24242#(= (+ ULTIMATE.start_main_~j~6 16) 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; {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,385 INFO L273 TraceCheckUtils]: 49: Hoare triple {24243#(= (+ ULTIMATE.start_main_~j~6 15) 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; {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,386 INFO L273 TraceCheckUtils]: 50: Hoare triple {24244#(= (+ ULTIMATE.start_main_~j~6 14) 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; {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,387 INFO L273 TraceCheckUtils]: 51: Hoare triple {24245#(= (+ ULTIMATE.start_main_~j~6 13) 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; {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,388 INFO L273 TraceCheckUtils]: 52: Hoare triple {24246#(= (+ ULTIMATE.start_main_~j~6 12) 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; {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,389 INFO L273 TraceCheckUtils]: 53: Hoare triple {24247#(= (+ ULTIMATE.start_main_~j~6 11) 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; {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,390 INFO L273 TraceCheckUtils]: 54: Hoare triple {24248#(= (+ ULTIMATE.start_main_~j~6 10) 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; {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,391 INFO L273 TraceCheckUtils]: 55: Hoare triple {24249#(= (+ ULTIMATE.start_main_~j~6 9) 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; {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,392 INFO L273 TraceCheckUtils]: 56: Hoare triple {24250#(= (+ ULTIMATE.start_main_~j~6 8) 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; {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,393 INFO L273 TraceCheckUtils]: 57: Hoare triple {24251#(= (+ ULTIMATE.start_main_~j~6 7) 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; {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,394 INFO L273 TraceCheckUtils]: 58: Hoare triple {24252#(= (+ ULTIMATE.start_main_~j~6 6) 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; {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,395 INFO L273 TraceCheckUtils]: 59: Hoare triple {24253#(= (+ ULTIMATE.start_main_~j~6 5) 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; {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,396 INFO L273 TraceCheckUtils]: 60: Hoare triple {24254#(= (+ ULTIMATE.start_main_~j~6 4) 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; {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,397 INFO L273 TraceCheckUtils]: 61: Hoare triple {24255#(= (+ ULTIMATE.start_main_~j~6 3) 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; {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,398 INFO L273 TraceCheckUtils]: 62: Hoare triple {24256#(= (+ ULTIMATE.start_main_~j~6 2) 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; {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:51,399 INFO L273 TraceCheckUtils]: 63: Hoare triple {24257#(= (+ 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; {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:25:51,400 INFO L273 TraceCheckUtils]: 64: Hoare triple {24258#(= (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; {24194#false} is VALID [2019-02-14 16:25:51,401 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-02-14 16:25:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:51,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:51,407 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:25:51,407 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:25:51,407 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:25:51,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:25:51,408 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:25:51,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:25:51,416 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:25:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:25:51,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:25:54,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:25:54,356 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:25:54,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:25:54,363 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:25:54,366 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:25:54,366 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_727]. (and (= (store v_ULTIMATE.start_main_~str2~6_727 30 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31)) [2019-02-14 16:25:54,366 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31)) [2019-02-14 16:25:54,460 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#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; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,461 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,462 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,463 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:25:54,464 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,465 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:25:54,466 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,467 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:25:54,468 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,469 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,470 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,471 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:25:54,472 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,473 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,474 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,475 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:25:54,476 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:25:54,477 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,478 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,479 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,480 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,481 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,482 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:25:54,483 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:25:54,484 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,485 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,486 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:25:54,487 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,488 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:54,489 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:25:54,490 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:25:54,491 INFO L273 TraceCheckUtils]: 31: Hoare triple {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {24356#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 31))} is VALID [2019-02-14 16:25:54,492 INFO L273 TraceCheckUtils]: 32: Hoare triple {24356#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 31))} 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; {24360#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,493 INFO L273 TraceCheckUtils]: 33: Hoare triple {24360#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24364#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,494 INFO L273 TraceCheckUtils]: 34: Hoare triple {24364#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24368#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:25:54,495 INFO L273 TraceCheckUtils]: 35: Hoare triple {24368#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 2))} 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; {24372#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,495 INFO L273 TraceCheckUtils]: 36: Hoare triple {24372#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24376#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,496 INFO L273 TraceCheckUtils]: 37: Hoare triple {24376#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24380#(and (= ULTIMATE.start_main_~j~6 5) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,497 INFO L273 TraceCheckUtils]: 38: Hoare triple {24380#(and (= ULTIMATE.start_main_~j~6 5) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24384#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:25:54,498 INFO L273 TraceCheckUtils]: 39: Hoare triple {24384#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 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; {24388#(and (= ULTIMATE.start_main_~j~6 7) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,499 INFO L273 TraceCheckUtils]: 40: Hoare triple {24388#(and (= ULTIMATE.start_main_~j~6 7) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24392#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,500 INFO L273 TraceCheckUtils]: 41: Hoare triple {24392#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24396#(and (= ULTIMATE.start_main_~j~6 9) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,501 INFO L273 TraceCheckUtils]: 42: Hoare triple {24396#(and (= ULTIMATE.start_main_~j~6 9) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24400#(and (= ULTIMATE.start_main_~j~6 10) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,501 INFO L273 TraceCheckUtils]: 43: Hoare triple {24400#(and (= ULTIMATE.start_main_~j~6 10) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24404#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,502 INFO L273 TraceCheckUtils]: 44: Hoare triple {24404#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24408#(and (= ULTIMATE.start_main_~j~6 12) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,503 INFO L273 TraceCheckUtils]: 45: Hoare triple {24408#(and (= ULTIMATE.start_main_~j~6 12) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24412#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,504 INFO L273 TraceCheckUtils]: 46: Hoare triple {24412#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24416#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,505 INFO L273 TraceCheckUtils]: 47: Hoare triple {24416#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24420#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:25:54,506 INFO L273 TraceCheckUtils]: 48: Hoare triple {24420#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 15))} 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; {24424#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,507 INFO L273 TraceCheckUtils]: 49: Hoare triple {24424#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24428#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,507 INFO L273 TraceCheckUtils]: 50: Hoare triple {24428#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24432#(and (= ULTIMATE.start_main_~j~6 18) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,508 INFO L273 TraceCheckUtils]: 51: Hoare triple {24432#(and (= ULTIMATE.start_main_~j~6 18) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24436#(and (= ULTIMATE.start_main_~j~6 19) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,509 INFO L273 TraceCheckUtils]: 52: Hoare triple {24436#(and (= ULTIMATE.start_main_~j~6 19) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24440#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,510 INFO L273 TraceCheckUtils]: 53: Hoare triple {24440#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24444#(and (= ULTIMATE.start_main_~j~6 21) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,511 INFO L273 TraceCheckUtils]: 54: Hoare triple {24444#(and (= ULTIMATE.start_main_~j~6 21) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24448#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:25:54,511 INFO L273 TraceCheckUtils]: 55: Hoare triple {24448#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 22))} 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; {24452#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,512 INFO L273 TraceCheckUtils]: 56: Hoare triple {24452#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24456#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,513 INFO L273 TraceCheckUtils]: 57: Hoare triple {24456#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24460#(and (= ULTIMATE.start_main_~j~6 25) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,514 INFO L273 TraceCheckUtils]: 58: Hoare triple {24460#(and (= ULTIMATE.start_main_~j~6 25) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24464#(and (= ULTIMATE.start_main_~j~6 26) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,515 INFO L273 TraceCheckUtils]: 59: Hoare triple {24464#(and (= ULTIMATE.start_main_~j~6 26) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24468#(and (= ULTIMATE.start_main_~j~6 27) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,516 INFO L273 TraceCheckUtils]: 60: Hoare triple {24468#(and (= ULTIMATE.start_main_~j~6 27) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24472#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,516 INFO L273 TraceCheckUtils]: 61: Hoare triple {24472#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24476#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:25:54,517 INFO L273 TraceCheckUtils]: 62: Hoare triple {24476#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 29))} 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; {24480#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 30) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,518 INFO L273 TraceCheckUtils]: 63: Hoare triple {24480#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 30) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24484#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2019-02-14 16:25:54,519 INFO L273 TraceCheckUtils]: 64: Hoare triple {24484#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31))} 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; {24194#false} is VALID [2019-02-14 16:25:54,520 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-02-14 16:25:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:54,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:25:54,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:25:54,560 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:25:54,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:25:54,569 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:25:54,571 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:25:54,571 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:25:54,572 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:25:55,743 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-02-14 16:25:55,744 INFO L273 TraceCheckUtils]: 64: Hoare triple {24258#(= (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; {24194#false} is VALID [2019-02-14 16:25:55,746 INFO L273 TraceCheckUtils]: 63: Hoare triple {24257#(= (+ 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; {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:25:55,747 INFO L273 TraceCheckUtils]: 62: Hoare triple {24256#(= (+ ULTIMATE.start_main_~j~6 2) 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; {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,748 INFO L273 TraceCheckUtils]: 61: Hoare triple {24255#(= (+ ULTIMATE.start_main_~j~6 3) 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; {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,749 INFO L273 TraceCheckUtils]: 60: Hoare triple {24254#(= (+ ULTIMATE.start_main_~j~6 4) 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; {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,750 INFO L273 TraceCheckUtils]: 59: Hoare triple {24253#(= (+ ULTIMATE.start_main_~j~6 5) 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; {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,751 INFO L273 TraceCheckUtils]: 58: Hoare triple {24252#(= (+ ULTIMATE.start_main_~j~6 6) 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; {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,752 INFO L273 TraceCheckUtils]: 57: Hoare triple {24251#(= (+ ULTIMATE.start_main_~j~6 7) 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; {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,753 INFO L273 TraceCheckUtils]: 56: Hoare triple {24250#(= (+ ULTIMATE.start_main_~j~6 8) 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; {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,754 INFO L273 TraceCheckUtils]: 55: Hoare triple {24249#(= (+ ULTIMATE.start_main_~j~6 9) 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; {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,755 INFO L273 TraceCheckUtils]: 54: Hoare triple {24248#(= (+ ULTIMATE.start_main_~j~6 10) 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; {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,756 INFO L273 TraceCheckUtils]: 53: Hoare triple {24247#(= (+ ULTIMATE.start_main_~j~6 11) 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; {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,757 INFO L273 TraceCheckUtils]: 52: Hoare triple {24246#(= (+ ULTIMATE.start_main_~j~6 12) 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; {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,758 INFO L273 TraceCheckUtils]: 51: Hoare triple {24245#(= (+ ULTIMATE.start_main_~j~6 13) 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; {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,759 INFO L273 TraceCheckUtils]: 50: Hoare triple {24244#(= (+ ULTIMATE.start_main_~j~6 14) 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; {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,760 INFO L273 TraceCheckUtils]: 49: Hoare triple {24243#(= (+ ULTIMATE.start_main_~j~6 15) 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; {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,761 INFO L273 TraceCheckUtils]: 48: Hoare triple {24242#(= (+ ULTIMATE.start_main_~j~6 16) 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; {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,762 INFO L273 TraceCheckUtils]: 47: Hoare triple {24241#(= (+ ULTIMATE.start_main_~j~6 17) 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; {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,763 INFO L273 TraceCheckUtils]: 46: Hoare triple {24240#(= (+ ULTIMATE.start_main_~j~6 18) 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; {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,764 INFO L273 TraceCheckUtils]: 45: Hoare triple {24239#(= (+ ULTIMATE.start_main_~j~6 19) 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; {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,765 INFO L273 TraceCheckUtils]: 44: Hoare triple {24238#(= (+ ULTIMATE.start_main_~j~6 20) 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; {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,766 INFO L273 TraceCheckUtils]: 43: Hoare triple {24237#(= (+ ULTIMATE.start_main_~j~6 21) 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; {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,767 INFO L273 TraceCheckUtils]: 42: Hoare triple {24236#(= (+ ULTIMATE.start_main_~j~6 22) 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; {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,768 INFO L273 TraceCheckUtils]: 41: Hoare triple {24235#(= (+ ULTIMATE.start_main_~j~6 23) 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; {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,769 INFO L273 TraceCheckUtils]: 40: Hoare triple {24234#(= (+ ULTIMATE.start_main_~j~6 24) 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; {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,770 INFO L273 TraceCheckUtils]: 39: Hoare triple {24233#(= (+ ULTIMATE.start_main_~j~6 25) 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; {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,771 INFO L273 TraceCheckUtils]: 38: Hoare triple {24232#(= (+ ULTIMATE.start_main_~j~6 26) 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; {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,772 INFO L273 TraceCheckUtils]: 37: Hoare triple {24231#(= (+ ULTIMATE.start_main_~j~6 27) 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; {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,773 INFO L273 TraceCheckUtils]: 36: Hoare triple {24230#(= (+ ULTIMATE.start_main_~j~6 28) 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; {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,774 INFO L273 TraceCheckUtils]: 35: Hoare triple {24229#(= (+ ULTIMATE.start_main_~j~6 29) 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; {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,775 INFO L273 TraceCheckUtils]: 34: Hoare triple {24228#(= (+ ULTIMATE.start_main_~j~6 30) 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; {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,776 INFO L273 TraceCheckUtils]: 33: Hoare triple {24227#(= (+ ULTIMATE.start_main_~j~6 31) 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; {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,777 INFO L273 TraceCheckUtils]: 32: Hoare triple {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:25:55,778 INFO L273 TraceCheckUtils]: 31: Hoare triple {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:25:55,779 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:25:55,780 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:25:55,781 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,782 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,783 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:25:55,784 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,785 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,786 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:25:55,787 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:25:55,788 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,789 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,790 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,791 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,792 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,793 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:25:55,794 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:25:55,795 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,796 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,797 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,798 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:25:55,799 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,800 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,801 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,802 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:25:55,803 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,804 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:25:55,805 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,806 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:25:55,807 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,808 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,809 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#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; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:25:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:25:55,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:25:55,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 99 [2019-02-14 16:25:55,834 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:25:55,834 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-02-14 16:25:55,834 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:25:55,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states. [2019-02-14 16:25:55,934 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:25:55,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 100 states [2019-02-14 16:25:55,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2019-02-14 16:25:55,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=9605, Unknown=0, NotChecked=0, Total=9900 [2019-02-14 16:25:55,935 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 100 states. [2019-02-14 16:26:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:17,870 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2019-02-14 16:26:17,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-02-14 16:26:17,870 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-02-14 16:26:17,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:26:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-02-14 16:26:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-02-14 16:26:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-02-14 16:26:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-02-14 16:26:17,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 69 states and 74 transitions. [2019-02-14 16:26:17,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:26:17,950 INFO L225 Difference]: With dead ends: 102 [2019-02-14 16:26:17,951 INFO L226 Difference]: Without dead ends: 68 [2019-02-14 16:26:17,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 72 SyntacticMatches, 25 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2958 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=624, Invalid=17198, Unknown=0, NotChecked=0, Total=17822 [2019-02-14 16:26:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-02-14 16:26:19,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-02-14 16:26:19,621 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:26:19,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2019-02-14 16:26:19,621 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-02-14 16:26:19,622 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-02-14 16:26:19,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:19,623 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-02-14 16:26:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-02-14 16:26:19,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:26:19,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:26:19,624 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-02-14 16:26:19,624 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-02-14 16:26:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:19,625 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-02-14 16:26:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-02-14 16:26:19,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:26:19,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:26:19,626 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:26:19,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:26:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-02-14 16:26:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2019-02-14 16:26:19,627 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 66 [2019-02-14 16:26:19,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:26:19,627 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2019-02-14 16:26:19,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 100 states. [2019-02-14 16:26:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-02-14 16:26:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-02-14 16:26:19,627 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:26:19,627 INFO L402 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1, 1] [2019-02-14 16:26:19,628 INFO L423 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:26:19,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:26:19,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1906113844, now seen corresponding path program 47 times [2019-02-14 16:26:19,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:26:19,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:26:19,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:26:19,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:26:19,629 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:26:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:26:20,407 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,408 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,409 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,410 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,411 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,412 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,413 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,414 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,415 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,416 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,417 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,418 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,419 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,420 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,421 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,422 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,422 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,423 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,424 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,425 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,426 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,427 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,428 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,429 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,430 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,431 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,432 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,433 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,434 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,434 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,435 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,436 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,437 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:20,438 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,439 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,440 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,441 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,442 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,443 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,444 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,445 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,446 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,447 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,447 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,448 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,449 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,450 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,451 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,452 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,453 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,454 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,455 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,456 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,457 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,458 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,459 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,459 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,460 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,461 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,462 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,463 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,464 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,466 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,467 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,468 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,468 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} 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; {25225#false} is VALID [2019-02-14 16:26:20,468 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-02-14 16:26:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:26:20,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:26:20,471 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:26:20,472 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:26:20,472 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:26:20,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:26:20,472 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:26:20,480 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:26:20,480 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:26:20,651 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2019-02-14 16:26:20,651 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:26:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:26:20,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:26:20,987 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,988 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,989 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,990 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,991 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,992 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,993 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,994 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,995 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,996 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,996 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,997 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,998 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:20,999 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,001 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,002 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,003 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,004 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,005 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,006 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,007 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,008 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,008 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,009 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,010 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,011 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,012 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,013 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,014 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,015 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,016 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,017 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,018 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:21,019 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,020 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,020 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,021 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,022 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,023 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,024 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,025 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,026 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,027 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,028 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,029 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,030 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,031 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,031 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,032 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,033 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,034 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,035 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,036 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,037 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,038 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,039 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,040 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,041 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,042 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,042 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,043 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,044 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,045 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,046 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,047 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:21,048 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} 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; {25225#false} is VALID [2019-02-14 16:26:21,048 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-02-14 16:26:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:26:21,053 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:26:22,424 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-02-14 16:26:22,424 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} 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; {25225#false} is VALID [2019-02-14 16:26:22,425 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,426 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,426 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,427 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,428 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,428 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,429 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,430 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,431 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,432 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,433 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,434 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,435 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,436 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,437 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,438 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,439 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,439 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,440 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,441 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,442 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,443 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,444 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,445 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,446 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,447 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,448 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,449 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,450 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,451 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,451 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,452 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,462 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~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; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:22,462 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~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; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,463 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~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; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,464 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~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; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,464 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~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; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,465 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~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; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,465 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~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; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,466 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~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; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,466 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~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; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,467 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~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; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,468 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~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; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,471 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~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; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,472 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~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; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,472 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~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; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,473 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~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; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,474 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~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; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,475 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~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; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,476 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~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; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,477 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~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; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,478 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~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; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,479 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~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; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,480 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~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; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,480 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~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; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,481 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~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; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,482 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~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; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,483 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~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; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,484 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~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; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,485 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~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; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,486 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~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; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,487 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~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; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,488 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~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; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,489 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~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; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,489 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#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; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:26:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:26:22,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:26:22,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 34 [2019-02-14 16:26:22,515 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:26:22,515 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-02-14 16:26:22,515 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:26:22,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-02-14 16:26:22,610 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:26:22,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-02-14 16:26:22,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-02-14 16:26:22,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2019-02-14 16:26:22,611 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 35 states. [2019-02-14 16:26:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:25,493 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-02-14 16:26:25,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-02-14 16:26:25,493 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-02-14 16:26:25,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:26:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-02-14 16:26:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-02-14 16:26:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-02-14 16:26:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-02-14 16:26:25,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 67 states and 72 transitions. [2019-02-14 16:26:25,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:26:25,563 INFO L225 Difference]: With dead ends: 71 [2019-02-14 16:26:25,563 INFO L226 Difference]: Without dead ends: 69 [2019-02-14 16:26:25,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 101 SyntacticMatches, 64 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1683, Invalid=2739, Unknown=0, NotChecked=0, Total=4422 [2019-02-14 16:26:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-02-14 16:26:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-02-14 16:26:27,226 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:26:27,226 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2019-02-14 16:26:27,226 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-02-14 16:26:27,227 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-02-14 16:26:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:27,228 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-02-14 16:26:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-02-14 16:26:27,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:26:27,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:26:27,228 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-02-14 16:26:27,229 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-02-14 16:26:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:26:27,229 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-02-14 16:26:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-02-14 16:26:27,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:26:27,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:26:27,230 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:26:27,230 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:26:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-02-14 16:26:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2019-02-14 16:26:27,231 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 67 [2019-02-14 16:26:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:26:27,231 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2019-02-14 16:26:27,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-02-14 16:26:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-02-14 16:26:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-02-14 16:26:27,232 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:26:27,232 INFO L402 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1] [2019-02-14 16:26:27,232 INFO L423 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:26:27,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:26:27,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1040014794, now seen corresponding path program 48 times [2019-02-14 16:26:27,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:26:27,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:26:27,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:26:27,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:26:27,234 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:26:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:26:30,312 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#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; {26136#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,313 INFO L273 TraceCheckUtils]: 1: Hoare triple {26136#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {26137#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,314 INFO L273 TraceCheckUtils]: 2: Hoare triple {26137#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {26138#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,315 INFO L273 TraceCheckUtils]: 3: Hoare triple {26138#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {26139#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:26:30,316 INFO L273 TraceCheckUtils]: 4: Hoare triple {26139#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {26140#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,317 INFO L273 TraceCheckUtils]: 5: Hoare triple {26140#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {26141#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:26:30,318 INFO L273 TraceCheckUtils]: 6: Hoare triple {26141#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {26142#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,319 INFO L273 TraceCheckUtils]: 7: Hoare triple {26142#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {26143#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:26:30,320 INFO L273 TraceCheckUtils]: 8: Hoare triple {26143#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {26144#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,321 INFO L273 TraceCheckUtils]: 9: Hoare triple {26144#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {26145#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,322 INFO L273 TraceCheckUtils]: 10: Hoare triple {26145#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {26146#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,323 INFO L273 TraceCheckUtils]: 11: Hoare triple {26146#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {26147#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:26:30,324 INFO L273 TraceCheckUtils]: 12: Hoare triple {26147#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {26148#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,325 INFO L273 TraceCheckUtils]: 13: Hoare triple {26148#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {26149#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,326 INFO L273 TraceCheckUtils]: 14: Hoare triple {26149#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {26150#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,327 INFO L273 TraceCheckUtils]: 15: Hoare triple {26150#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {26151#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:26:30,328 INFO L273 TraceCheckUtils]: 16: Hoare triple {26151#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {26152#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:26:30,329 INFO L273 TraceCheckUtils]: 17: Hoare triple {26152#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {26153#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,330 INFO L273 TraceCheckUtils]: 18: Hoare triple {26153#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {26154#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,331 INFO L273 TraceCheckUtils]: 19: Hoare triple {26154#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {26155#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,332 INFO L273 TraceCheckUtils]: 20: Hoare triple {26155#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {26156#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,333 INFO L273 TraceCheckUtils]: 21: Hoare triple {26156#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {26157#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,334 INFO L273 TraceCheckUtils]: 22: Hoare triple {26157#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {26158#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:26:30,335 INFO L273 TraceCheckUtils]: 23: Hoare triple {26158#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {26159#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:26:30,336 INFO L273 TraceCheckUtils]: 24: Hoare triple {26159#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {26160#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,337 INFO L273 TraceCheckUtils]: 25: Hoare triple {26160#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {26161#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,338 INFO L273 TraceCheckUtils]: 26: Hoare triple {26161#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {26162#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:26:30,339 INFO L273 TraceCheckUtils]: 27: Hoare triple {26162#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {26163#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,340 INFO L273 TraceCheckUtils]: 28: Hoare triple {26163#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {26164#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:30,341 INFO L273 TraceCheckUtils]: 29: Hoare triple {26164#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {26165#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:26:30,342 INFO L273 TraceCheckUtils]: 30: Hoare triple {26165#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {26166#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:26:30,343 INFO L273 TraceCheckUtils]: 31: Hoare triple {26166#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {26167#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:26:30,344 INFO L273 TraceCheckUtils]: 32: Hoare triple {26167#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {26168#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 32 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:26:30,346 INFO L273 TraceCheckUtils]: 33: Hoare triple {26168#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 32 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; {26169#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,347 INFO L273 TraceCheckUtils]: 34: Hoare triple {26169#(= (+ ULTIMATE.start_main_~j~6 32) 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; {26170#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,348 INFO L273 TraceCheckUtils]: 35: Hoare triple {26170#(= (+ ULTIMATE.start_main_~j~6 31) 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; {26171#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,349 INFO L273 TraceCheckUtils]: 36: Hoare triple {26171#(= (+ ULTIMATE.start_main_~j~6 30) 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; {26172#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,350 INFO L273 TraceCheckUtils]: 37: Hoare triple {26172#(= (+ ULTIMATE.start_main_~j~6 29) 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; {26173#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,351 INFO L273 TraceCheckUtils]: 38: Hoare triple {26173#(= (+ ULTIMATE.start_main_~j~6 28) 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; {26174#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,352 INFO L273 TraceCheckUtils]: 39: Hoare triple {26174#(= (+ ULTIMATE.start_main_~j~6 27) 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; {26175#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,353 INFO L273 TraceCheckUtils]: 40: Hoare triple {26175#(= (+ ULTIMATE.start_main_~j~6 26) 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; {26176#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,354 INFO L273 TraceCheckUtils]: 41: Hoare triple {26176#(= (+ ULTIMATE.start_main_~j~6 25) 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; {26177#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,355 INFO L273 TraceCheckUtils]: 42: Hoare triple {26177#(= (+ ULTIMATE.start_main_~j~6 24) 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; {26178#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,356 INFO L273 TraceCheckUtils]: 43: Hoare triple {26178#(= (+ ULTIMATE.start_main_~j~6 23) 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; {26179#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,357 INFO L273 TraceCheckUtils]: 44: Hoare triple {26179#(= (+ ULTIMATE.start_main_~j~6 22) 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; {26180#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,358 INFO L273 TraceCheckUtils]: 45: Hoare triple {26180#(= (+ ULTIMATE.start_main_~j~6 21) 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; {26181#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,359 INFO L273 TraceCheckUtils]: 46: Hoare triple {26181#(= (+ ULTIMATE.start_main_~j~6 20) 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; {26182#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,360 INFO L273 TraceCheckUtils]: 47: Hoare triple {26182#(= (+ ULTIMATE.start_main_~j~6 19) 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; {26183#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,361 INFO L273 TraceCheckUtils]: 48: Hoare triple {26183#(= (+ ULTIMATE.start_main_~j~6 18) 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; {26184#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,362 INFO L273 TraceCheckUtils]: 49: Hoare triple {26184#(= (+ ULTIMATE.start_main_~j~6 17) 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; {26185#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,363 INFO L273 TraceCheckUtils]: 50: Hoare triple {26185#(= (+ ULTIMATE.start_main_~j~6 16) 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; {26186#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,364 INFO L273 TraceCheckUtils]: 51: Hoare triple {26186#(= (+ ULTIMATE.start_main_~j~6 15) 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; {26187#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,365 INFO L273 TraceCheckUtils]: 52: Hoare triple {26187#(= (+ ULTIMATE.start_main_~j~6 14) 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; {26188#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,366 INFO L273 TraceCheckUtils]: 53: Hoare triple {26188#(= (+ ULTIMATE.start_main_~j~6 13) 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; {26189#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,367 INFO L273 TraceCheckUtils]: 54: Hoare triple {26189#(= (+ ULTIMATE.start_main_~j~6 12) 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; {26190#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,368 INFO L273 TraceCheckUtils]: 55: Hoare triple {26190#(= (+ ULTIMATE.start_main_~j~6 11) 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; {26191#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,369 INFO L273 TraceCheckUtils]: 56: Hoare triple {26191#(= (+ ULTIMATE.start_main_~j~6 10) 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; {26192#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,370 INFO L273 TraceCheckUtils]: 57: Hoare triple {26192#(= (+ ULTIMATE.start_main_~j~6 9) 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; {26193#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,371 INFO L273 TraceCheckUtils]: 58: Hoare triple {26193#(= (+ ULTIMATE.start_main_~j~6 8) 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; {26194#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,372 INFO L273 TraceCheckUtils]: 59: Hoare triple {26194#(= (+ ULTIMATE.start_main_~j~6 7) 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; {26195#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,373 INFO L273 TraceCheckUtils]: 60: Hoare triple {26195#(= (+ ULTIMATE.start_main_~j~6 6) 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; {26196#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,374 INFO L273 TraceCheckUtils]: 61: Hoare triple {26196#(= (+ ULTIMATE.start_main_~j~6 5) 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; {26197#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,375 INFO L273 TraceCheckUtils]: 62: Hoare triple {26197#(= (+ ULTIMATE.start_main_~j~6 4) 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; {26198#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,376 INFO L273 TraceCheckUtils]: 63: Hoare triple {26198#(= (+ ULTIMATE.start_main_~j~6 3) 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; {26199#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,377 INFO L273 TraceCheckUtils]: 64: Hoare triple {26199#(= (+ ULTIMATE.start_main_~j~6 2) 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; {26200#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:26:30,378 INFO L273 TraceCheckUtils]: 65: Hoare triple {26200#(= (+ 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; {26201#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:26:30,379 INFO L273 TraceCheckUtils]: 66: Hoare triple {26201#(= (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; {26135#false} is VALID [2019-02-14 16:26:30,379 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-02-14 16:26:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:26:30,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:26:30,388 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:26:30,388 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:26:30,388 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:26:30,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:26:30,388 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:26:30,398 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:26:30,398 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:26:30,442 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:26:30,442 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:26:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:26:30,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:26:33,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:26:33,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:26:33,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:26:33,457 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:26:33,460 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:26:33,460 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_790]. (and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (store v_ULTIMATE.start_main_~str2~6_790 31 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:26:33,460 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0))) [2019-02-14 16:26:33,567 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#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; {26134#true} is VALID [2019-02-14 16:26:33,567 INFO L273 TraceCheckUtils]: 1: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,568 INFO L273 TraceCheckUtils]: 2: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,568 INFO L273 TraceCheckUtils]: 3: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,568 INFO L273 TraceCheckUtils]: 4: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,568 INFO L273 TraceCheckUtils]: 5: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,568 INFO L273 TraceCheckUtils]: 6: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 7: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 8: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 9: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 10: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 11: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,569 INFO L273 TraceCheckUtils]: 12: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 13: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 14: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 15: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 16: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 17: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 18: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 19: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,570 INFO L273 TraceCheckUtils]: 20: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 21: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 22: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 23: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 24: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 25: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 26: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 27: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 28: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 29: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,571 INFO L273 TraceCheckUtils]: 30: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,572 INFO L273 TraceCheckUtils]: 31: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,572 INFO L273 TraceCheckUtils]: 32: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:33,572 INFO L273 TraceCheckUtils]: 33: Hoare triple {26134#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; {26304#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:26:33,573 INFO L273 TraceCheckUtils]: 34: Hoare triple {26304#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {26308#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:26:33,574 INFO L273 TraceCheckUtils]: 35: Hoare triple {26308#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {26312#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:26:33,574 INFO L273 TraceCheckUtils]: 36: Hoare triple {26312#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {26316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:26:33,575 INFO L273 TraceCheckUtils]: 37: Hoare triple {26316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {26320#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:26:33,576 INFO L273 TraceCheckUtils]: 38: Hoare triple {26320#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {26324#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:26:33,577 INFO L273 TraceCheckUtils]: 39: Hoare triple {26324#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {26328#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:26:33,578 INFO L273 TraceCheckUtils]: 40: Hoare triple {26328#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {26332#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:26:33,579 INFO L273 TraceCheckUtils]: 41: Hoare triple {26332#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {26336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:26:33,580 INFO L273 TraceCheckUtils]: 42: Hoare triple {26336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {26340#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:26:33,581 INFO L273 TraceCheckUtils]: 43: Hoare triple {26340#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {26344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:26:33,582 INFO L273 TraceCheckUtils]: 44: Hoare triple {26344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {26348#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:26:33,584 INFO L273 TraceCheckUtils]: 45: Hoare triple {26348#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {26352#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:26:33,585 INFO L273 TraceCheckUtils]: 46: Hoare triple {26352#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {26356#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:26:33,586 INFO L273 TraceCheckUtils]: 47: Hoare triple {26356#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {26360#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:26:33,587 INFO L273 TraceCheckUtils]: 48: Hoare triple {26360#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {26364#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:26:33,588 INFO L273 TraceCheckUtils]: 49: Hoare triple {26364#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {26368#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:26:33,589 INFO L273 TraceCheckUtils]: 50: Hoare triple {26368#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {26372#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:26:33,590 INFO L273 TraceCheckUtils]: 51: Hoare triple {26372#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {26376#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:26:33,591 INFO L273 TraceCheckUtils]: 52: Hoare triple {26376#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {26380#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:26:33,592 INFO L273 TraceCheckUtils]: 53: Hoare triple {26380#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {26384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:26:33,593 INFO L273 TraceCheckUtils]: 54: Hoare triple {26384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {26388#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:26:33,594 INFO L273 TraceCheckUtils]: 55: Hoare triple {26388#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {26392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:26:33,595 INFO L273 TraceCheckUtils]: 56: Hoare triple {26392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {26396#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:26:33,596 INFO L273 TraceCheckUtils]: 57: Hoare triple {26396#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {26400#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:26:33,597 INFO L273 TraceCheckUtils]: 58: Hoare triple {26400#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {26404#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:26:33,599 INFO L273 TraceCheckUtils]: 59: Hoare triple {26404#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {26408#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:26:33,600 INFO L273 TraceCheckUtils]: 60: Hoare triple {26408#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {26412#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:26:33,601 INFO L273 TraceCheckUtils]: 61: Hoare triple {26412#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {26416#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:26:33,602 INFO L273 TraceCheckUtils]: 62: Hoare triple {26416#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} 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; {26420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:26:33,603 INFO L273 TraceCheckUtils]: 63: Hoare triple {26420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} 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; {26424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2019-02-14 16:26:33,604 INFO L273 TraceCheckUtils]: 64: Hoare triple {26424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} 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; {26428#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2019-02-14 16:26:33,605 INFO L273 TraceCheckUtils]: 65: Hoare triple {26428#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} 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; {26432#(and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2019-02-14 16:26:33,606 INFO L273 TraceCheckUtils]: 66: Hoare triple {26432#(and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0)))} 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; {26135#false} is VALID [2019-02-14 16:26:33,607 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-02-14 16:26:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-02-14 16:26:33,624 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:26:33,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:26:33,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:26:33,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:26:33,788 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:26:33,792 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:26:33,792 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2019-02-14 16:26:33,793 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:26:37,126 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-02-14 16:26:37,128 INFO L273 TraceCheckUtils]: 66: Hoare triple {26442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {26135#false} is VALID [2019-02-14 16:26:37,129 INFO L273 TraceCheckUtils]: 65: Hoare triple {26446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {26442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,130 INFO L273 TraceCheckUtils]: 64: Hoare triple {26450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {26446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:26:37,131 INFO L273 TraceCheckUtils]: 63: Hoare triple {26454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {26450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:26:37,133 INFO L273 TraceCheckUtils]: 62: Hoare triple {26458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {26454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,134 INFO L273 TraceCheckUtils]: 61: Hoare triple {26462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {26458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,135 INFO L273 TraceCheckUtils]: 60: Hoare triple {26466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {26462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:26:37,136 INFO L273 TraceCheckUtils]: 59: Hoare triple {26470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {26466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:26:37,137 INFO L273 TraceCheckUtils]: 58: Hoare triple {26474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {26470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,139 INFO L273 TraceCheckUtils]: 57: Hoare triple {26478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {26474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,140 INFO L273 TraceCheckUtils]: 56: Hoare triple {26482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {26478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:26:37,141 INFO L273 TraceCheckUtils]: 55: Hoare triple {26486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {26482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,142 INFO L273 TraceCheckUtils]: 54: Hoare triple {26490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {26486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:26:37,143 INFO L273 TraceCheckUtils]: 53: Hoare triple {26494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {26490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,144 INFO L273 TraceCheckUtils]: 52: Hoare triple {26498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {26494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:26:37,146 INFO L273 TraceCheckUtils]: 51: Hoare triple {26502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {26498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,147 INFO L273 TraceCheckUtils]: 50: Hoare triple {26506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {26502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:26:37,148 INFO L273 TraceCheckUtils]: 49: Hoare triple {26510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {26506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:26:37,149 INFO L273 TraceCheckUtils]: 48: Hoare triple {26514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {26510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:26:37,150 INFO L273 TraceCheckUtils]: 47: Hoare triple {26518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {26514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:26:37,151 INFO L273 TraceCheckUtils]: 46: Hoare triple {26522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {26518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:26:37,152 INFO L273 TraceCheckUtils]: 45: Hoare triple {26526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {26522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:26:37,154 INFO L273 TraceCheckUtils]: 44: Hoare triple {26530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {26526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,155 INFO L273 TraceCheckUtils]: 43: Hoare triple {26534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {26530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:26:37,156 INFO L273 TraceCheckUtils]: 42: Hoare triple {26538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {26534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,157 INFO L273 TraceCheckUtils]: 41: Hoare triple {26542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {26538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,158 INFO L273 TraceCheckUtils]: 40: Hoare triple {26546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {26542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:26:37,159 INFO L273 TraceCheckUtils]: 39: Hoare triple {26550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {26546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:26:37,161 INFO L273 TraceCheckUtils]: 38: Hoare triple {26554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {26550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:26:37,162 INFO L273 TraceCheckUtils]: 37: Hoare triple {26558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} 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; {26554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:26:37,163 INFO L273 TraceCheckUtils]: 36: Hoare triple {26562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} 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; {26558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2019-02-14 16:26:37,164 INFO L273 TraceCheckUtils]: 35: Hoare triple {26566#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~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; {26562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:26:37,165 INFO L273 TraceCheckUtils]: 34: Hoare triple {26570#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} 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; {26566#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:26:37,166 INFO L273 TraceCheckUtils]: 33: Hoare triple {26134#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; {26570#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 32: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 31: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 30: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 29: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 28: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,167 INFO L273 TraceCheckUtils]: 27: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,168 INFO L273 TraceCheckUtils]: 26: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,168 INFO L273 TraceCheckUtils]: 25: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,168 INFO L273 TraceCheckUtils]: 24: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,168 INFO L273 TraceCheckUtils]: 23: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,168 INFO L273 TraceCheckUtils]: 22: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 21: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 20: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 19: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 18: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 17: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 16: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 15: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 14: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 13: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,169 INFO L273 TraceCheckUtils]: 12: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 11: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 10: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 9: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 8: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 7: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 6: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 5: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 4: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,170 INFO L273 TraceCheckUtils]: 3: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,171 INFO L273 TraceCheckUtils]: 2: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,171 INFO L273 TraceCheckUtils]: 1: Hoare triple {26134#true} 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; {26134#true} is VALID [2019-02-14 16:26:37,171 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#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; {26134#true} is VALID [2019-02-14 16:26:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-02-14 16:26:37,205 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:26:37,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 35, 35] total 134 [2019-02-14 16:26:37,206 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:26:37,206 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-02-14 16:26:37,206 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:26:37,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states. [2019-02-14 16:26:37,375 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:26:37,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 101 states [2019-02-14 16:26:37,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2019-02-14 16:26:37,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2378, Invalid=15444, Unknown=0, NotChecked=0, Total=17822 [2019-02-14 16:26:37,377 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 101 states. [2019-02-14 16:27:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:00,559 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2019-02-14 16:27:00,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-02-14 16:27:00,559 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-02-14 16:27:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:27:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-02-14 16:27:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-02-14 16:27:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-02-14 16:27:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-02-14 16:27:00,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 111 transitions. [2019-02-14 16:27:00,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:00,718 INFO L225 Difference]: With dead ends: 107 [2019-02-14 16:27:00,718 INFO L226 Difference]: Without dead ends: 71 [2019-02-14 16:27:00,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2344 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=3787, Invalid=25283, Unknown=0, NotChecked=0, Total=29070 [2019-02-14 16:27:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-02-14 16:27:02,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-02-14 16:27:02,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:27:02,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2019-02-14 16:27:02,489 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-02-14 16:27:02,489 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-02-14 16:27:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:02,490 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-02-14 16:27:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-02-14 16:27:02,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:02,491 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:02,491 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-02-14 16:27:02,491 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-02-14 16:27:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:02,492 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-02-14 16:27:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-02-14 16:27:02,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:02,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:02,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:27:02,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:27:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-02-14 16:27:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2019-02-14 16:27:02,494 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 68 [2019-02-14 16:27:02,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:27:02,494 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2019-02-14 16:27:02,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2019-02-14 16:27:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-02-14 16:27:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-02-14 16:27:02,495 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:27:02,495 INFO L402 BasicCegarLoop]: trace histogram [33, 33, 1, 1, 1, 1] [2019-02-14 16:27:02,495 INFO L423 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:27:02,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:27:02,495 INFO L82 PathProgramCache]: Analyzing trace with hash -986406475, now seen corresponding path program 49 times [2019-02-14 16:27:02,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:27:02,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:02,496 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:27:02,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:02,496 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:27:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:06,121 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#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; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,122 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,123 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,124 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:27:06,125 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,126 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:27:06,127 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,128 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:27:06,129 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,130 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,131 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,132 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:27:06,133 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,134 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,135 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,136 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:27:06,137 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:27:06,138 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,139 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,140 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,141 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,142 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,143 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:27:06,144 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:27:06,145 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,146 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,147 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:27:06,148 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,149 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,150 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:27:06,151 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:27:06,152 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:06,153 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {27273#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32)))} is VALID [2019-02-14 16:27:06,154 INFO L273 TraceCheckUtils]: 33: Hoare triple {27273#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32)))} 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; {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:06,155 INFO L273 TraceCheckUtils]: 34: Hoare triple {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 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; {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,156 INFO L273 TraceCheckUtils]: 35: Hoare triple {27275#(= (+ ULTIMATE.start_main_~j~6 33) 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; {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,157 INFO L273 TraceCheckUtils]: 36: Hoare triple {27276#(= (+ ULTIMATE.start_main_~j~6 32) 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; {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,158 INFO L273 TraceCheckUtils]: 37: Hoare triple {27277#(= (+ ULTIMATE.start_main_~j~6 31) 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; {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,159 INFO L273 TraceCheckUtils]: 38: Hoare triple {27278#(= (+ ULTIMATE.start_main_~j~6 30) 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; {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,173 INFO L273 TraceCheckUtils]: 39: Hoare triple {27279#(= (+ ULTIMATE.start_main_~j~6 29) 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; {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,174 INFO L273 TraceCheckUtils]: 40: Hoare triple {27280#(= (+ ULTIMATE.start_main_~j~6 28) 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; {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,175 INFO L273 TraceCheckUtils]: 41: Hoare triple {27281#(= (+ ULTIMATE.start_main_~j~6 27) 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; {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,175 INFO L273 TraceCheckUtils]: 42: Hoare triple {27282#(= (+ ULTIMATE.start_main_~j~6 26) 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; {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,176 INFO L273 TraceCheckUtils]: 43: Hoare triple {27283#(= (+ ULTIMATE.start_main_~j~6 25) 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; {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,177 INFO L273 TraceCheckUtils]: 44: Hoare triple {27284#(= (+ ULTIMATE.start_main_~j~6 24) 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; {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,178 INFO L273 TraceCheckUtils]: 45: Hoare triple {27285#(= (+ ULTIMATE.start_main_~j~6 23) 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; {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,179 INFO L273 TraceCheckUtils]: 46: Hoare triple {27286#(= (+ ULTIMATE.start_main_~j~6 22) 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; {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,180 INFO L273 TraceCheckUtils]: 47: Hoare triple {27287#(= (+ ULTIMATE.start_main_~j~6 21) 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; {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,182 INFO L273 TraceCheckUtils]: 48: Hoare triple {27288#(= (+ ULTIMATE.start_main_~j~6 20) 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; {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,183 INFO L273 TraceCheckUtils]: 49: Hoare triple {27289#(= (+ ULTIMATE.start_main_~j~6 19) 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; {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,184 INFO L273 TraceCheckUtils]: 50: Hoare triple {27290#(= (+ ULTIMATE.start_main_~j~6 18) 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; {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,185 INFO L273 TraceCheckUtils]: 51: Hoare triple {27291#(= (+ ULTIMATE.start_main_~j~6 17) 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; {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,186 INFO L273 TraceCheckUtils]: 52: Hoare triple {27292#(= (+ ULTIMATE.start_main_~j~6 16) 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; {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,187 INFO L273 TraceCheckUtils]: 53: Hoare triple {27293#(= (+ ULTIMATE.start_main_~j~6 15) 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; {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,188 INFO L273 TraceCheckUtils]: 54: Hoare triple {27294#(= (+ ULTIMATE.start_main_~j~6 14) 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; {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,189 INFO L273 TraceCheckUtils]: 55: Hoare triple {27295#(= (+ ULTIMATE.start_main_~j~6 13) 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; {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,190 INFO L273 TraceCheckUtils]: 56: Hoare triple {27296#(= (+ ULTIMATE.start_main_~j~6 12) 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; {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,191 INFO L273 TraceCheckUtils]: 57: Hoare triple {27297#(= (+ ULTIMATE.start_main_~j~6 11) 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; {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,192 INFO L273 TraceCheckUtils]: 58: Hoare triple {27298#(= (+ ULTIMATE.start_main_~j~6 10) 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; {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,193 INFO L273 TraceCheckUtils]: 59: Hoare triple {27299#(= (+ ULTIMATE.start_main_~j~6 9) 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; {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,194 INFO L273 TraceCheckUtils]: 60: Hoare triple {27300#(= (+ ULTIMATE.start_main_~j~6 8) 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; {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,195 INFO L273 TraceCheckUtils]: 61: Hoare triple {27301#(= (+ ULTIMATE.start_main_~j~6 7) 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; {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,196 INFO L273 TraceCheckUtils]: 62: Hoare triple {27302#(= (+ ULTIMATE.start_main_~j~6 6) 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; {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,197 INFO L273 TraceCheckUtils]: 63: Hoare triple {27303#(= (+ ULTIMATE.start_main_~j~6 5) 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; {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,198 INFO L273 TraceCheckUtils]: 64: Hoare triple {27304#(= (+ ULTIMATE.start_main_~j~6 4) 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; {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,199 INFO L273 TraceCheckUtils]: 65: Hoare triple {27305#(= (+ ULTIMATE.start_main_~j~6 3) 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; {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,200 INFO L273 TraceCheckUtils]: 66: Hoare triple {27306#(= (+ ULTIMATE.start_main_~j~6 2) 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; {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:06,201 INFO L273 TraceCheckUtils]: 67: Hoare triple {27307#(= (+ 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; {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:27:06,202 INFO L273 TraceCheckUtils]: 68: Hoare triple {27308#(= (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; {27240#false} is VALID [2019-02-14 16:27:06,202 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-02-14 16:27:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:06,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:06,209 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:27:06,209 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:27:06,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:27:06,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:06,209 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:27:06,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:27:06,218 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:27:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:06,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:27:09,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:27:09,544 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:27:09,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:27:09,550 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:27:09,552 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:27:09,553 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_823]. (and (= (store v_ULTIMATE.start_main_~str2~6_823 32 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33)) [2019-02-14 16:27:09,553 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33)) [2019-02-14 16:27:09,646 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#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; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,647 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,648 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,649 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:27:09,650 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,651 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:27:09,652 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,653 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:27:09,654 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,655 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,656 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,657 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:27:09,658 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,659 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,660 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,661 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:27:09,662 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:27:09,663 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,664 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,665 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,666 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,667 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,668 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:27:09,669 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:27:09,670 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,671 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,672 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:27:09,673 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,674 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,675 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:27:09,676 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:27:09,677 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:09,678 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:27:09,679 INFO L273 TraceCheckUtils]: 33: Hoare triple {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {27412#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:27:09,680 INFO L273 TraceCheckUtils]: 34: Hoare triple {27412#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {27416#(and (= ULTIMATE.start_main_~j~6 0) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,681 INFO L273 TraceCheckUtils]: 35: Hoare triple {27416#(and (= ULTIMATE.start_main_~j~6 0) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27420#(and (= ULTIMATE.start_main_~j~6 1) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,682 INFO L273 TraceCheckUtils]: 36: Hoare triple {27420#(and (= ULTIMATE.start_main_~j~6 1) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27424#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:27:09,683 INFO L273 TraceCheckUtils]: 37: Hoare triple {27424#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 2))} 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; {27428#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:27:09,684 INFO L273 TraceCheckUtils]: 38: Hoare triple {27428#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 3))} 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; {27432#(and (= ULTIMATE.start_main_~j~6 4) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,685 INFO L273 TraceCheckUtils]: 39: Hoare triple {27432#(and (= ULTIMATE.start_main_~j~6 4) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27436#(and (= ULTIMATE.start_main_~j~6 5) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,685 INFO L273 TraceCheckUtils]: 40: Hoare triple {27436#(and (= ULTIMATE.start_main_~j~6 5) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27440#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:27:09,686 INFO L273 TraceCheckUtils]: 41: Hoare triple {27440#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 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; {27444#(and (= ULTIMATE.start_main_~j~6 7) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,687 INFO L273 TraceCheckUtils]: 42: Hoare triple {27444#(and (= ULTIMATE.start_main_~j~6 7) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27448#(and (= ULTIMATE.start_main_~j~6 8) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,688 INFO L273 TraceCheckUtils]: 43: Hoare triple {27448#(and (= ULTIMATE.start_main_~j~6 8) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27452#(and (= ULTIMATE.start_main_~j~6 9) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,689 INFO L273 TraceCheckUtils]: 44: Hoare triple {27452#(and (= ULTIMATE.start_main_~j~6 9) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27456#(and (= ULTIMATE.start_main_~j~6 10) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,690 INFO L273 TraceCheckUtils]: 45: Hoare triple {27456#(and (= ULTIMATE.start_main_~j~6 10) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27460#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:27:09,691 INFO L273 TraceCheckUtils]: 46: Hoare triple {27460#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 11))} 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; {27464#(and (= ULTIMATE.start_main_~j~6 12) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,691 INFO L273 TraceCheckUtils]: 47: Hoare triple {27464#(and (= ULTIMATE.start_main_~j~6 12) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27468#(and (= ULTIMATE.start_main_~j~6 13) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,692 INFO L273 TraceCheckUtils]: 48: Hoare triple {27468#(and (= ULTIMATE.start_main_~j~6 13) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27472#(and (= ULTIMATE.start_main_~j~6 14) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,693 INFO L273 TraceCheckUtils]: 49: Hoare triple {27472#(and (= ULTIMATE.start_main_~j~6 14) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27476#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:27:09,694 INFO L273 TraceCheckUtils]: 50: Hoare triple {27476#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 15))} 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; {27480#(and (= ULTIMATE.start_main_~j~6 16) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,695 INFO L273 TraceCheckUtils]: 51: Hoare triple {27480#(and (= ULTIMATE.start_main_~j~6 16) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27484#(and (= ULTIMATE.start_main_~j~6 17) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,696 INFO L273 TraceCheckUtils]: 52: Hoare triple {27484#(and (= ULTIMATE.start_main_~j~6 17) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27488#(and (= ULTIMATE.start_main_~j~6 18) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,697 INFO L273 TraceCheckUtils]: 53: Hoare triple {27488#(and (= ULTIMATE.start_main_~j~6 18) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27492#(and (= ULTIMATE.start_main_~j~6 19) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,697 INFO L273 TraceCheckUtils]: 54: Hoare triple {27492#(and (= ULTIMATE.start_main_~j~6 19) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27496#(and (= ULTIMATE.start_main_~j~6 20) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,698 INFO L273 TraceCheckUtils]: 55: Hoare triple {27496#(and (= ULTIMATE.start_main_~j~6 20) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27500#(and (= ULTIMATE.start_main_~j~6 21) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,699 INFO L273 TraceCheckUtils]: 56: Hoare triple {27500#(and (= ULTIMATE.start_main_~j~6 21) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27504#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:27:09,700 INFO L273 TraceCheckUtils]: 57: Hoare triple {27504#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 22))} 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; {27508#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 23))} is VALID [2019-02-14 16:27:09,701 INFO L273 TraceCheckUtils]: 58: Hoare triple {27508#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 23))} 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; {27512#(and (= ULTIMATE.start_main_~j~6 24) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,702 INFO L273 TraceCheckUtils]: 59: Hoare triple {27512#(and (= ULTIMATE.start_main_~j~6 24) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27516#(and (= ULTIMATE.start_main_~j~6 25) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,702 INFO L273 TraceCheckUtils]: 60: Hoare triple {27516#(and (= ULTIMATE.start_main_~j~6 25) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27520#(and (= ULTIMATE.start_main_~j~6 26) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,703 INFO L273 TraceCheckUtils]: 61: Hoare triple {27520#(and (= ULTIMATE.start_main_~j~6 26) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27524#(and (= ULTIMATE.start_main_~j~6 27) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,704 INFO L273 TraceCheckUtils]: 62: Hoare triple {27524#(and (= ULTIMATE.start_main_~j~6 27) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27528#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:27:09,705 INFO L273 TraceCheckUtils]: 63: Hoare triple {27528#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 28))} 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; {27532#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:27:09,706 INFO L273 TraceCheckUtils]: 64: Hoare triple {27532#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 29))} 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; {27536#(and (= ULTIMATE.start_main_~j~6 30) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,707 INFO L273 TraceCheckUtils]: 65: Hoare triple {27536#(and (= ULTIMATE.start_main_~j~6 30) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27540#(and (= ULTIMATE.start_main_~j~6 31) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,708 INFO L273 TraceCheckUtils]: 66: Hoare triple {27540#(and (= ULTIMATE.start_main_~j~6 31) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27544#(and (= ULTIMATE.start_main_~j~6 32) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,709 INFO L273 TraceCheckUtils]: 67: Hoare triple {27544#(and (= ULTIMATE.start_main_~j~6 32) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27548#(and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2019-02-14 16:27:09,710 INFO L273 TraceCheckUtils]: 68: Hoare triple {27548#(and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} 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; {27240#false} is VALID [2019-02-14 16:27:09,710 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-02-14 16:27:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:09,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:27:09,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:27:09,751 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:27:09,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:27:09,755 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:27:09,757 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:27:09,758 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:27:09,758 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:27:11,038 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-02-14 16:27:11,040 INFO L273 TraceCheckUtils]: 68: Hoare triple {27308#(= (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; {27240#false} is VALID [2019-02-14 16:27:11,041 INFO L273 TraceCheckUtils]: 67: Hoare triple {27307#(= (+ 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; {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:27:11,042 INFO L273 TraceCheckUtils]: 66: Hoare triple {27306#(= (+ ULTIMATE.start_main_~j~6 2) 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; {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,043 INFO L273 TraceCheckUtils]: 65: Hoare triple {27305#(= (+ ULTIMATE.start_main_~j~6 3) 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; {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,044 INFO L273 TraceCheckUtils]: 64: Hoare triple {27304#(= (+ ULTIMATE.start_main_~j~6 4) 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; {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,045 INFO L273 TraceCheckUtils]: 63: Hoare triple {27303#(= (+ ULTIMATE.start_main_~j~6 5) 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; {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,046 INFO L273 TraceCheckUtils]: 62: Hoare triple {27302#(= (+ ULTIMATE.start_main_~j~6 6) 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; {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,047 INFO L273 TraceCheckUtils]: 61: Hoare triple {27301#(= (+ ULTIMATE.start_main_~j~6 7) 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; {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,048 INFO L273 TraceCheckUtils]: 60: Hoare triple {27300#(= (+ ULTIMATE.start_main_~j~6 8) 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; {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,049 INFO L273 TraceCheckUtils]: 59: Hoare triple {27299#(= (+ ULTIMATE.start_main_~j~6 9) 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; {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,050 INFO L273 TraceCheckUtils]: 58: Hoare triple {27298#(= (+ ULTIMATE.start_main_~j~6 10) 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; {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,051 INFO L273 TraceCheckUtils]: 57: Hoare triple {27297#(= (+ ULTIMATE.start_main_~j~6 11) 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; {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,052 INFO L273 TraceCheckUtils]: 56: Hoare triple {27296#(= (+ ULTIMATE.start_main_~j~6 12) 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; {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,053 INFO L273 TraceCheckUtils]: 55: Hoare triple {27295#(= (+ ULTIMATE.start_main_~j~6 13) 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; {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,054 INFO L273 TraceCheckUtils]: 54: Hoare triple {27294#(= (+ ULTIMATE.start_main_~j~6 14) 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; {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,055 INFO L273 TraceCheckUtils]: 53: Hoare triple {27293#(= (+ ULTIMATE.start_main_~j~6 15) 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; {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,056 INFO L273 TraceCheckUtils]: 52: Hoare triple {27292#(= (+ ULTIMATE.start_main_~j~6 16) 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; {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,057 INFO L273 TraceCheckUtils]: 51: Hoare triple {27291#(= (+ ULTIMATE.start_main_~j~6 17) 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; {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,058 INFO L273 TraceCheckUtils]: 50: Hoare triple {27290#(= (+ ULTIMATE.start_main_~j~6 18) 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; {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,059 INFO L273 TraceCheckUtils]: 49: Hoare triple {27289#(= (+ ULTIMATE.start_main_~j~6 19) 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; {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,060 INFO L273 TraceCheckUtils]: 48: Hoare triple {27288#(= (+ ULTIMATE.start_main_~j~6 20) 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; {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,061 INFO L273 TraceCheckUtils]: 47: Hoare triple {27287#(= (+ ULTIMATE.start_main_~j~6 21) 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; {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,062 INFO L273 TraceCheckUtils]: 46: Hoare triple {27286#(= (+ ULTIMATE.start_main_~j~6 22) 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; {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,063 INFO L273 TraceCheckUtils]: 45: Hoare triple {27285#(= (+ ULTIMATE.start_main_~j~6 23) 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; {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,064 INFO L273 TraceCheckUtils]: 44: Hoare triple {27284#(= (+ ULTIMATE.start_main_~j~6 24) 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; {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,080 INFO L273 TraceCheckUtils]: 43: Hoare triple {27283#(= (+ ULTIMATE.start_main_~j~6 25) 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; {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,081 INFO L273 TraceCheckUtils]: 42: Hoare triple {27282#(= (+ ULTIMATE.start_main_~j~6 26) 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; {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,082 INFO L273 TraceCheckUtils]: 41: Hoare triple {27281#(= (+ ULTIMATE.start_main_~j~6 27) 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; {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,082 INFO L273 TraceCheckUtils]: 40: Hoare triple {27280#(= (+ ULTIMATE.start_main_~j~6 28) 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; {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,083 INFO L273 TraceCheckUtils]: 39: Hoare triple {27279#(= (+ ULTIMATE.start_main_~j~6 29) 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; {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,084 INFO L273 TraceCheckUtils]: 38: Hoare triple {27278#(= (+ ULTIMATE.start_main_~j~6 30) 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; {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,085 INFO L273 TraceCheckUtils]: 37: Hoare triple {27277#(= (+ ULTIMATE.start_main_~j~6 31) 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; {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,086 INFO L273 TraceCheckUtils]: 36: Hoare triple {27276#(= (+ ULTIMATE.start_main_~j~6 32) 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; {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,087 INFO L273 TraceCheckUtils]: 35: Hoare triple {27275#(= (+ ULTIMATE.start_main_~j~6 33) 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; {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,088 INFO L273 TraceCheckUtils]: 34: Hoare triple {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 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; {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:11,089 INFO L273 TraceCheckUtils]: 33: Hoare triple {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:11,090 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:27:11,091 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,092 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:27:11,093 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:27:11,094 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,095 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,096 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:27:11,097 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,098 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,099 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:27:11,100 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:27:11,101 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,102 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,103 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,104 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,105 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,106 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:27:11,107 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:27:11,108 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,109 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,110 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,111 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:27:11,112 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,113 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,114 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,115 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:27:11,116 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,117 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:27:11,118 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,119 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:27:11,120 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,121 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,122 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#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; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:11,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:27:11,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 105 [2019-02-14 16:27:11,151 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:27:11,151 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-02-14 16:27:11,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:27:11,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states. [2019-02-14 16:27:11,256 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:11,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 106 states [2019-02-14 16:27:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2019-02-14 16:27:11,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=10817, Unknown=0, NotChecked=0, Total=11130 [2019-02-14 16:27:11,258 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 106 states. [2019-02-14 16:27:35,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:35,454 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2019-02-14 16:27:35,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-02-14 16:27:35,455 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-02-14 16:27:35,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:27:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-02-14 16:27:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-02-14 16:27:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-02-14 16:27:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-02-14 16:27:35,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2019-02-14 16:27:35,542 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:35,544 INFO L225 Difference]: With dead ends: 108 [2019-02-14 16:27:35,544 INFO L226 Difference]: Without dead ends: 72 [2019-02-14 16:27:35,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 78 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3274 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=662, Invalid=19360, Unknown=0, NotChecked=0, Total=20022 [2019-02-14 16:27:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-02-14 16:27:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-02-14 16:27:37,361 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:27:37,361 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2019-02-14 16:27:37,362 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-02-14 16:27:37,362 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-02-14 16:27:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:37,363 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-02-14 16:27:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-02-14 16:27:37,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:37,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:37,364 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-02-14 16:27:37,364 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-02-14 16:27:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:37,365 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-02-14 16:27:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-02-14 16:27:37,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:37,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:37,366 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:27:37,366 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:27:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-02-14 16:27:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2019-02-14 16:27:37,367 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 70 [2019-02-14 16:27:37,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:27:37,367 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2019-02-14 16:27:37,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 106 states. [2019-02-14 16:27:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-02-14 16:27:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-02-14 16:27:37,368 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:27:37,368 INFO L402 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1, 1] [2019-02-14 16:27:37,368 INFO L423 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:27:37,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:27:37,368 INFO L82 PathProgramCache]: Analyzing trace with hash -227129428, now seen corresponding path program 50 times [2019-02-14 16:27:37,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:27:37,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:37,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:27:37,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:37,369 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:27:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:39,378 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,378 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,380 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,380 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,382 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,383 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,384 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,385 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,386 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,387 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,388 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,389 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,390 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,391 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,392 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,394 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,395 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,396 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,396 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,398 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,399 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,400 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,401 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,402 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,403 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,404 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,405 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,406 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,407 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,408 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,409 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,410 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,411 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,412 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,413 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:39,414 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,415 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,416 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,418 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,419 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,420 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,421 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,422 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,423 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,424 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,425 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,426 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,427 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,428 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,429 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,430 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,431 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,432 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,433 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,434 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,435 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,436 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,437 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,438 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,439 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,440 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,441 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,442 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,443 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,444 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,445 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,446 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,447 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,448 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:39,448 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} 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; {28333#false} is VALID [2019-02-14 16:27:39,449 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-02-14 16:27:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:39,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:39,454 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:27:39,454 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:27:39,454 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:27:39,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:39,454 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:27:39,465 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:27:39,465 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:27:39,657 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2019-02-14 16:27:39,657 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:27:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:39,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:27:40,030 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,031 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,032 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,033 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,033 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,034 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,035 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,036 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,037 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,038 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,039 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,040 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,041 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,042 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,061 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,070 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,083 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,092 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,093 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,093 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,094 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,094 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,095 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,095 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,096 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,096 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,097 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,098 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,099 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,100 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,101 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,102 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,103 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,103 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,104 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:40,105 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,106 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,107 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,108 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,109 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,110 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,111 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,112 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,113 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,114 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,114 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,115 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,116 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,117 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,118 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,119 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,120 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,121 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,122 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,123 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,124 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,124 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,125 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,126 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,127 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,128 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,129 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,130 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,131 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,132 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,133 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,133 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,134 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,135 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:40,136 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} 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; {28333#false} is VALID [2019-02-14 16:27:40,136 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-02-14 16:27:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:40,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:27:41,405 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-02-14 16:27:41,405 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} 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; {28333#false} is VALID [2019-02-14 16:27:41,406 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,407 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,408 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,409 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,410 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,411 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,412 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,413 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,414 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,415 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,416 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,417 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,417 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,418 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,419 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,420 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,421 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,422 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,423 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,424 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,425 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,426 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,427 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,427 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,428 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,429 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,430 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,431 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,432 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,433 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,434 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,435 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,436 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,437 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,437 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~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; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:41,438 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~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; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,439 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~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; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,440 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~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; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,441 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~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; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,442 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~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; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,443 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~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; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,444 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~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; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,445 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~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; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,446 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~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; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,447 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~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; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,448 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~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; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,448 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~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; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,449 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~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; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,450 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~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; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,451 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~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; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,452 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~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; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,453 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~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; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,454 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~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; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,455 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~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; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,456 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~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; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,457 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~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; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,458 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~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; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,459 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~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; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,459 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~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; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,460 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~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; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,461 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~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; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,462 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~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; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,463 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~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; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,464 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~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; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,465 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~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; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,466 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~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; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,467 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~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; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,468 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~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; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,468 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#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; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:27:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:41,493 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:27:41,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 36 [2019-02-14 16:27:41,493 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:27:41,494 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-02-14 16:27:41,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:27:41,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states. [2019-02-14 16:27:41,578 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:41,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-02-14 16:27:41,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-02-14 16:27:41,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2019-02-14 16:27:41,579 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 37 states. [2019-02-14 16:27:44,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:44,737 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-02-14 16:27:44,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-02-14 16:27:44,738 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-02-14 16:27:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:27:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-02-14 16:27:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-02-14 16:27:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-02-14 16:27:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-02-14 16:27:44,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 76 transitions. [2019-02-14 16:27:44,808 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:44,810 INFO L225 Difference]: With dead ends: 75 [2019-02-14 16:27:44,810 INFO L226 Difference]: Without dead ends: 73 [2019-02-14 16:27:44,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 107 SyntacticMatches, 68 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1890, Invalid=3080, Unknown=0, NotChecked=0, Total=4970 [2019-02-14 16:27:44,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-02-14 16:27:46,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-02-14 16:27:46,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:27:46,742 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2019-02-14 16:27:46,742 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-02-14 16:27:46,743 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-02-14 16:27:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:46,744 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-02-14 16:27:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-02-14 16:27:46,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:46,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:46,745 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-02-14 16:27:46,745 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-02-14 16:27:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:27:46,746 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-02-14 16:27:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-02-14 16:27:46,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:27:46,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:27:46,746 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:27:46,746 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:27:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-02-14 16:27:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2019-02-14 16:27:46,747 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 71 [2019-02-14 16:27:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:27:46,747 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2019-02-14 16:27:46,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-02-14 16:27:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-02-14 16:27:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-02-14 16:27:46,748 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:27:46,748 INFO L402 BasicCegarLoop]: trace histogram [34, 34, 1, 1, 1, 1] [2019-02-14 16:27:46,748 INFO L423 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:27:46,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:27:46,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1548924138, now seen corresponding path program 51 times [2019-02-14 16:27:46,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:27:46,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:46,749 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:27:46,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:27:46,749 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:27:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:49,953 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#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; {29298#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,954 INFO L273 TraceCheckUtils]: 1: Hoare triple {29298#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {29299#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,955 INFO L273 TraceCheckUtils]: 2: Hoare triple {29299#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {29300#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,956 INFO L273 TraceCheckUtils]: 3: Hoare triple {29300#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {29301#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:27:49,957 INFO L273 TraceCheckUtils]: 4: Hoare triple {29301#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {29302#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,958 INFO L273 TraceCheckUtils]: 5: Hoare triple {29302#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {29303#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:27:49,959 INFO L273 TraceCheckUtils]: 6: Hoare triple {29303#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {29304#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,960 INFO L273 TraceCheckUtils]: 7: Hoare triple {29304#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {29305#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:27:49,961 INFO L273 TraceCheckUtils]: 8: Hoare triple {29305#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {29306#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,962 INFO L273 TraceCheckUtils]: 9: Hoare triple {29306#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {29307#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,963 INFO L273 TraceCheckUtils]: 10: Hoare triple {29307#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {29308#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,964 INFO L273 TraceCheckUtils]: 11: Hoare triple {29308#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {29309#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:27:49,965 INFO L273 TraceCheckUtils]: 12: Hoare triple {29309#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {29310#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,966 INFO L273 TraceCheckUtils]: 13: Hoare triple {29310#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {29311#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,967 INFO L273 TraceCheckUtils]: 14: Hoare triple {29311#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {29312#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,968 INFO L273 TraceCheckUtils]: 15: Hoare triple {29312#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {29313#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:27:49,969 INFO L273 TraceCheckUtils]: 16: Hoare triple {29313#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {29314#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:27:49,970 INFO L273 TraceCheckUtils]: 17: Hoare triple {29314#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {29315#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,971 INFO L273 TraceCheckUtils]: 18: Hoare triple {29315#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {29316#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,972 INFO L273 TraceCheckUtils]: 19: Hoare triple {29316#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {29317#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,973 INFO L273 TraceCheckUtils]: 20: Hoare triple {29317#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {29318#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,974 INFO L273 TraceCheckUtils]: 21: Hoare triple {29318#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {29319#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,975 INFO L273 TraceCheckUtils]: 22: Hoare triple {29319#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {29320#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:27:49,976 INFO L273 TraceCheckUtils]: 23: Hoare triple {29320#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {29321#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:27:49,977 INFO L273 TraceCheckUtils]: 24: Hoare triple {29321#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {29322#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,978 INFO L273 TraceCheckUtils]: 25: Hoare triple {29322#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {29323#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,979 INFO L273 TraceCheckUtils]: 26: Hoare triple {29323#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {29324#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:27:49,980 INFO L273 TraceCheckUtils]: 27: Hoare triple {29324#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {29325#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,981 INFO L273 TraceCheckUtils]: 28: Hoare triple {29325#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {29326#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,982 INFO L273 TraceCheckUtils]: 29: Hoare triple {29326#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {29327#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:27:49,983 INFO L273 TraceCheckUtils]: 30: Hoare triple {29327#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {29328#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:27:49,984 INFO L273 TraceCheckUtils]: 31: Hoare triple {29328#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {29329#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:49,985 INFO L273 TraceCheckUtils]: 32: Hoare triple {29329#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {29330#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:27:49,986 INFO L273 TraceCheckUtils]: 33: Hoare triple {29330#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {29331#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33)))} is VALID [2019-02-14 16:27:49,987 INFO L273 TraceCheckUtils]: 34: Hoare triple {29331#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33)))} 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; {29332#(or (= 34 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:49,988 INFO L273 TraceCheckUtils]: 35: Hoare triple {29332#(or (= 34 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {29333#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,989 INFO L273 TraceCheckUtils]: 36: Hoare triple {29333#(= (+ ULTIMATE.start_main_~j~6 34) 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; {29334#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,990 INFO L273 TraceCheckUtils]: 37: Hoare triple {29334#(= (+ ULTIMATE.start_main_~j~6 33) 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; {29335#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,991 INFO L273 TraceCheckUtils]: 38: Hoare triple {29335#(= (+ ULTIMATE.start_main_~j~6 32) 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; {29336#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,992 INFO L273 TraceCheckUtils]: 39: Hoare triple {29336#(= (+ ULTIMATE.start_main_~j~6 31) 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; {29337#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,993 INFO L273 TraceCheckUtils]: 40: Hoare triple {29337#(= (+ ULTIMATE.start_main_~j~6 30) 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; {29338#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,994 INFO L273 TraceCheckUtils]: 41: Hoare triple {29338#(= (+ ULTIMATE.start_main_~j~6 29) 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; {29339#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,995 INFO L273 TraceCheckUtils]: 42: Hoare triple {29339#(= (+ ULTIMATE.start_main_~j~6 28) 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; {29340#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,996 INFO L273 TraceCheckUtils]: 43: Hoare triple {29340#(= (+ ULTIMATE.start_main_~j~6 27) 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; {29341#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,997 INFO L273 TraceCheckUtils]: 44: Hoare triple {29341#(= (+ ULTIMATE.start_main_~j~6 26) 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; {29342#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,998 INFO L273 TraceCheckUtils]: 45: Hoare triple {29342#(= (+ ULTIMATE.start_main_~j~6 25) 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; {29343#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:49,999 INFO L273 TraceCheckUtils]: 46: Hoare triple {29343#(= (+ ULTIMATE.start_main_~j~6 24) 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; {29344#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,000 INFO L273 TraceCheckUtils]: 47: Hoare triple {29344#(= (+ ULTIMATE.start_main_~j~6 23) 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; {29345#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,001 INFO L273 TraceCheckUtils]: 48: Hoare triple {29345#(= (+ ULTIMATE.start_main_~j~6 22) 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; {29346#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,002 INFO L273 TraceCheckUtils]: 49: Hoare triple {29346#(= (+ ULTIMATE.start_main_~j~6 21) 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; {29347#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,003 INFO L273 TraceCheckUtils]: 50: Hoare triple {29347#(= (+ ULTIMATE.start_main_~j~6 20) 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; {29348#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,004 INFO L273 TraceCheckUtils]: 51: Hoare triple {29348#(= (+ ULTIMATE.start_main_~j~6 19) 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; {29349#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,005 INFO L273 TraceCheckUtils]: 52: Hoare triple {29349#(= (+ ULTIMATE.start_main_~j~6 18) 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; {29350#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,006 INFO L273 TraceCheckUtils]: 53: Hoare triple {29350#(= (+ ULTIMATE.start_main_~j~6 17) 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; {29351#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,007 INFO L273 TraceCheckUtils]: 54: Hoare triple {29351#(= (+ ULTIMATE.start_main_~j~6 16) 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; {29352#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,008 INFO L273 TraceCheckUtils]: 55: Hoare triple {29352#(= (+ ULTIMATE.start_main_~j~6 15) 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; {29353#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,009 INFO L273 TraceCheckUtils]: 56: Hoare triple {29353#(= (+ ULTIMATE.start_main_~j~6 14) 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; {29354#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,010 INFO L273 TraceCheckUtils]: 57: Hoare triple {29354#(= (+ ULTIMATE.start_main_~j~6 13) 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; {29355#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,011 INFO L273 TraceCheckUtils]: 58: Hoare triple {29355#(= (+ ULTIMATE.start_main_~j~6 12) 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; {29356#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,012 INFO L273 TraceCheckUtils]: 59: Hoare triple {29356#(= (+ ULTIMATE.start_main_~j~6 11) 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; {29357#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,013 INFO L273 TraceCheckUtils]: 60: Hoare triple {29357#(= (+ ULTIMATE.start_main_~j~6 10) 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; {29358#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,014 INFO L273 TraceCheckUtils]: 61: Hoare triple {29358#(= (+ ULTIMATE.start_main_~j~6 9) 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; {29359#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,015 INFO L273 TraceCheckUtils]: 62: Hoare triple {29359#(= (+ ULTIMATE.start_main_~j~6 8) 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; {29360#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,016 INFO L273 TraceCheckUtils]: 63: Hoare triple {29360#(= (+ ULTIMATE.start_main_~j~6 7) 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; {29361#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,017 INFO L273 TraceCheckUtils]: 64: Hoare triple {29361#(= (+ ULTIMATE.start_main_~j~6 6) 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; {29362#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,018 INFO L273 TraceCheckUtils]: 65: Hoare triple {29362#(= (+ ULTIMATE.start_main_~j~6 5) 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; {29363#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,019 INFO L273 TraceCheckUtils]: 66: Hoare triple {29363#(= (+ ULTIMATE.start_main_~j~6 4) 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; {29364#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,020 INFO L273 TraceCheckUtils]: 67: Hoare triple {29364#(= (+ ULTIMATE.start_main_~j~6 3) 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; {29365#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,021 INFO L273 TraceCheckUtils]: 68: Hoare triple {29365#(= (+ ULTIMATE.start_main_~j~6 2) 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; {29366#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:27:50,022 INFO L273 TraceCheckUtils]: 69: Hoare triple {29366#(= (+ 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; {29367#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:27:50,023 INFO L273 TraceCheckUtils]: 70: Hoare triple {29367#(= (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; {29297#false} is VALID [2019-02-14 16:27:50,023 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-02-14 16:27:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:27:50,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:50,032 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:27:50,032 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:27:50,033 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:27:50,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:27:50,033 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:27:50,057 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:27:50,057 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:27:50,115 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:27:50,115 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:27:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:27:50,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:27:53,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:27:53,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:27:53,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:27:53,323 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:27:53,326 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:27:53,326 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_890]. (and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (store v_ULTIMATE.start_main_~str2~6_890 33 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:27:53,326 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33))) [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 1: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 2: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 3: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 4: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 5: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 6: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,435 INFO L273 TraceCheckUtils]: 7: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 8: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 9: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 10: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 11: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 12: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 13: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 14: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 15: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,436 INFO L273 TraceCheckUtils]: 16: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 17: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 18: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 19: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 20: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 21: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 22: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 23: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 24: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 25: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,437 INFO L273 TraceCheckUtils]: 26: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 27: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 28: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 29: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 30: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 31: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 32: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 33: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,438 INFO L273 TraceCheckUtils]: 34: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:53,439 INFO L273 TraceCheckUtils]: 35: Hoare triple {29296#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; {29476#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:53,439 INFO L273 TraceCheckUtils]: 36: Hoare triple {29476#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {29480#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:27:53,440 INFO L273 TraceCheckUtils]: 37: Hoare triple {29480#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {29484#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:27:53,441 INFO L273 TraceCheckUtils]: 38: Hoare triple {29484#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {29488#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:27:53,441 INFO L273 TraceCheckUtils]: 39: Hoare triple {29488#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {29492#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:27:53,442 INFO L273 TraceCheckUtils]: 40: Hoare triple {29492#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {29496#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:53,442 INFO L273 TraceCheckUtils]: 41: Hoare triple {29496#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {29500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:27:53,443 INFO L273 TraceCheckUtils]: 42: Hoare triple {29500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {29504#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:27:53,444 INFO L273 TraceCheckUtils]: 43: Hoare triple {29504#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {29508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:27:53,445 INFO L273 TraceCheckUtils]: 44: Hoare triple {29508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {29512#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:27:53,446 INFO L273 TraceCheckUtils]: 45: Hoare triple {29512#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {29516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:27:53,447 INFO L273 TraceCheckUtils]: 46: Hoare triple {29516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {29520#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:27:53,448 INFO L273 TraceCheckUtils]: 47: Hoare triple {29520#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {29524#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:27:53,449 INFO L273 TraceCheckUtils]: 48: Hoare triple {29524#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {29528#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:27:53,450 INFO L273 TraceCheckUtils]: 49: Hoare triple {29528#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {29532#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:27:53,451 INFO L273 TraceCheckUtils]: 50: Hoare triple {29532#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {29536#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:27:53,452 INFO L273 TraceCheckUtils]: 51: Hoare triple {29536#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {29540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:27:53,454 INFO L273 TraceCheckUtils]: 52: Hoare triple {29540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {29544#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:27:53,455 INFO L273 TraceCheckUtils]: 53: Hoare triple {29544#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {29548#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:27:53,456 INFO L273 TraceCheckUtils]: 54: Hoare triple {29548#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {29552#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:27:53,457 INFO L273 TraceCheckUtils]: 55: Hoare triple {29552#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {29556#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:27:53,458 INFO L273 TraceCheckUtils]: 56: Hoare triple {29556#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {29560#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:27:53,459 INFO L273 TraceCheckUtils]: 57: Hoare triple {29560#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {29564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:27:53,460 INFO L273 TraceCheckUtils]: 58: Hoare triple {29564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {29568#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:27:53,461 INFO L273 TraceCheckUtils]: 59: Hoare triple {29568#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {29572#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:27:53,462 INFO L273 TraceCheckUtils]: 60: Hoare triple {29572#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {29576#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:27:53,463 INFO L273 TraceCheckUtils]: 61: Hoare triple {29576#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {29580#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:27:53,464 INFO L273 TraceCheckUtils]: 62: Hoare triple {29580#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {29584#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:27:53,465 INFO L273 TraceCheckUtils]: 63: Hoare triple {29584#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {29588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:27:53,466 INFO L273 TraceCheckUtils]: 64: Hoare triple {29588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} 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; {29592#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:27:53,467 INFO L273 TraceCheckUtils]: 65: Hoare triple {29592#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} 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; {29596#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2019-02-14 16:27:53,468 INFO L273 TraceCheckUtils]: 66: Hoare triple {29596#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} 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; {29600#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2019-02-14 16:27:53,469 INFO L273 TraceCheckUtils]: 67: Hoare triple {29600#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} 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; {29604#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2019-02-14 16:27:53,470 INFO L273 TraceCheckUtils]: 68: Hoare triple {29604#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} 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; {29608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2019-02-14 16:27:53,471 INFO L273 TraceCheckUtils]: 69: Hoare triple {29608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} 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; {29612#(and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33)))} is VALID [2019-02-14 16:27:53,472 INFO L273 TraceCheckUtils]: 70: Hoare triple {29612#(and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33)))} 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; {29297#false} is VALID [2019-02-14 16:27:53,473 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-02-14 16:27:53,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-02-14 16:27:53,480 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:27:53,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:27:53,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:27:53,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:27:53,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:27:57,547 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-02-14 16:27:57,549 INFO L273 TraceCheckUtils]: 70: Hoare triple {29622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {29297#false} is VALID [2019-02-14 16:27:57,550 INFO L273 TraceCheckUtils]: 69: Hoare triple {29626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {29622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,551 INFO L273 TraceCheckUtils]: 68: Hoare triple {29630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {29626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:57,552 INFO L273 TraceCheckUtils]: 67: Hoare triple {29634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {29630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:27:57,553 INFO L273 TraceCheckUtils]: 66: Hoare triple {29638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {29634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,554 INFO L273 TraceCheckUtils]: 65: Hoare triple {29642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {29638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,556 INFO L273 TraceCheckUtils]: 64: Hoare triple {29646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {29642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:27:57,557 INFO L273 TraceCheckUtils]: 63: Hoare triple {29650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {29646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:27:57,558 INFO L273 TraceCheckUtils]: 62: Hoare triple {29654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {29650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,559 INFO L273 TraceCheckUtils]: 61: Hoare triple {29658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {29654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,560 INFO L273 TraceCheckUtils]: 60: Hoare triple {29662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {29658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:27:57,561 INFO L273 TraceCheckUtils]: 59: Hoare triple {29666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {29662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,562 INFO L273 TraceCheckUtils]: 58: Hoare triple {29670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {29666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:27:57,564 INFO L273 TraceCheckUtils]: 57: Hoare triple {29674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {29670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,565 INFO L273 TraceCheckUtils]: 56: Hoare triple {29678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {29674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:27:57,566 INFO L273 TraceCheckUtils]: 55: Hoare triple {29682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {29678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,567 INFO L273 TraceCheckUtils]: 54: Hoare triple {29686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {29682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:27:57,568 INFO L273 TraceCheckUtils]: 53: Hoare triple {29690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {29686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:27:57,569 INFO L273 TraceCheckUtils]: 52: Hoare triple {29694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {29690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:27:57,570 INFO L273 TraceCheckUtils]: 51: Hoare triple {29698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {29694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:27:57,572 INFO L273 TraceCheckUtils]: 50: Hoare triple {29702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {29698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:27:57,573 INFO L273 TraceCheckUtils]: 49: Hoare triple {29706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {29702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:27:57,574 INFO L273 TraceCheckUtils]: 48: Hoare triple {29710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {29706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,575 INFO L273 TraceCheckUtils]: 47: Hoare triple {29714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {29710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:27:57,576 INFO L273 TraceCheckUtils]: 46: Hoare triple {29718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {29714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,577 INFO L273 TraceCheckUtils]: 45: Hoare triple {29722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {29718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,578 INFO L273 TraceCheckUtils]: 44: Hoare triple {29726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {29722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:27:57,579 INFO L273 TraceCheckUtils]: 43: Hoare triple {29730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {29726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:27:57,581 INFO L273 TraceCheckUtils]: 42: Hoare triple {29734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {29730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:27:57,582 INFO L273 TraceCheckUtils]: 41: Hoare triple {29738#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} 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; {29734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:27:57,583 INFO L273 TraceCheckUtils]: 40: Hoare triple {29742#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} 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; {29738#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2019-02-14 16:27:57,584 INFO L273 TraceCheckUtils]: 39: Hoare triple {29746#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~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; {29742#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:27:57,585 INFO L273 TraceCheckUtils]: 38: Hoare triple {29750#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} 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; {29746#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,586 INFO L273 TraceCheckUtils]: 37: Hoare triple {29754#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~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; {29750#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2019-02-14 16:27:57,587 INFO L273 TraceCheckUtils]: 36: Hoare triple {29758#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} 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; {29754#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 35: Hoare triple {29296#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; {29758#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 34: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 33: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 32: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 31: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,589 INFO L273 TraceCheckUtils]: 30: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,590 INFO L273 TraceCheckUtils]: 29: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,590 INFO L273 TraceCheckUtils]: 28: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,590 INFO L273 TraceCheckUtils]: 27: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,590 INFO L273 TraceCheckUtils]: 26: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,590 INFO L273 TraceCheckUtils]: 25: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 24: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 23: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 22: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 21: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 20: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 19: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 18: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 17: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,591 INFO L273 TraceCheckUtils]: 16: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 15: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 14: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 13: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 12: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 11: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 10: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 9: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 8: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 7: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,592 INFO L273 TraceCheckUtils]: 6: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 5: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 4: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 3: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 2: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 1: Hoare triple {29296#true} 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; {29296#true} is VALID [2019-02-14 16:27:57,593 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#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; {29296#true} is VALID [2019-02-14 16:27:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-02-14 16:27:57,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:27:57,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 37, 37] total 142 [2019-02-14 16:27:57,620 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:27:57,620 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-02-14 16:27:57,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:27:57,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states. [2019-02-14 16:27:57,727 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:27:57,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 107 states [2019-02-14 16:27:57,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2019-02-14 16:27:57,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2662, Invalid=17360, Unknown=0, NotChecked=0, Total=20022 [2019-02-14 16:27:57,729 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 107 states. [2019-02-14 16:28:24,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:28:24,587 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2019-02-14 16:28:24,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2019-02-14 16:28:24,587 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-02-14 16:28:24,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:28:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-02-14 16:28:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-02-14 16:28:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-02-14 16:28:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-02-14 16:28:24,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 117 transitions. [2019-02-14 16:28:24,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:28:24,725 INFO L225 Difference]: With dead ends: 113 [2019-02-14 16:28:24,725 INFO L226 Difference]: Without dead ends: 75 [2019-02-14 16:28:24,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2626 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=4225, Invalid=28355, Unknown=0, NotChecked=0, Total=32580 [2019-02-14 16:28:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-02-14 16:28:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-02-14 16:28:26,992 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:28:26,992 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2019-02-14 16:28:26,992 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-02-14 16:28:26,992 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-02-14 16:28:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:28:26,994 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-02-14 16:28:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-02-14 16:28:26,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:28:26,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:28:26,994 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-02-14 16:28:26,995 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-02-14 16:28:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:28:26,996 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-02-14 16:28:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-02-14 16:28:26,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:28:26,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:28:26,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:28:26,997 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:28:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-02-14 16:28:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2019-02-14 16:28:26,997 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2019-02-14 16:28:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:28:26,998 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2019-02-14 16:28:26,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2019-02-14 16:28:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-02-14 16:28:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-02-14 16:28:26,998 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:28:26,998 INFO L402 BasicCegarLoop]: trace histogram [35, 35, 1, 1, 1, 1] [2019-02-14 16:28:26,998 INFO L423 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:28:26,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:28:26,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1198231019, now seen corresponding path program 52 times [2019-02-14 16:28:26,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:28:26,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:28:26,999 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:28:26,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:28:26,999 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:28:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:28:30,329 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#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; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,330 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,331 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,332 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:28:30,333 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,334 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:28:30,335 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,336 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:28:30,337 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,338 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,339 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,340 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:28:30,341 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,342 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,343 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,344 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:28:30,345 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:28:30,346 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,347 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,348 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,349 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,350 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,351 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:28:30,352 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:28:30,353 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,354 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,355 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:28:30,356 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,357 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,358 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:28:30,359 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:28:30,360 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:30,361 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:28:30,362 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:28:30,363 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {30501#(or (and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2019-02-14 16:28:30,364 INFO L273 TraceCheckUtils]: 35: Hoare triple {30501#(or (and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} 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; {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:28:30,365 INFO L273 TraceCheckUtils]: 36: Hoare triple {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 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; {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,366 INFO L273 TraceCheckUtils]: 37: Hoare triple {30503#(= (+ ULTIMATE.start_main_~j~6 35) 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; {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,367 INFO L273 TraceCheckUtils]: 38: Hoare triple {30504#(= (+ ULTIMATE.start_main_~j~6 34) 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; {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,368 INFO L273 TraceCheckUtils]: 39: Hoare triple {30505#(= (+ ULTIMATE.start_main_~j~6 33) 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; {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,369 INFO L273 TraceCheckUtils]: 40: Hoare triple {30506#(= (+ ULTIMATE.start_main_~j~6 32) 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; {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,370 INFO L273 TraceCheckUtils]: 41: Hoare triple {30507#(= (+ ULTIMATE.start_main_~j~6 31) 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; {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,371 INFO L273 TraceCheckUtils]: 42: Hoare triple {30508#(= (+ ULTIMATE.start_main_~j~6 30) 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; {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,372 INFO L273 TraceCheckUtils]: 43: Hoare triple {30509#(= (+ ULTIMATE.start_main_~j~6 29) 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; {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,373 INFO L273 TraceCheckUtils]: 44: Hoare triple {30510#(= (+ ULTIMATE.start_main_~j~6 28) 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; {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,374 INFO L273 TraceCheckUtils]: 45: Hoare triple {30511#(= (+ ULTIMATE.start_main_~j~6 27) 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; {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,375 INFO L273 TraceCheckUtils]: 46: Hoare triple {30512#(= (+ ULTIMATE.start_main_~j~6 26) 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; {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,376 INFO L273 TraceCheckUtils]: 47: Hoare triple {30513#(= (+ ULTIMATE.start_main_~j~6 25) 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; {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,377 INFO L273 TraceCheckUtils]: 48: Hoare triple {30514#(= (+ ULTIMATE.start_main_~j~6 24) 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; {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,378 INFO L273 TraceCheckUtils]: 49: Hoare triple {30515#(= (+ ULTIMATE.start_main_~j~6 23) 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; {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,379 INFO L273 TraceCheckUtils]: 50: Hoare triple {30516#(= (+ ULTIMATE.start_main_~j~6 22) 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; {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,380 INFO L273 TraceCheckUtils]: 51: Hoare triple {30517#(= (+ ULTIMATE.start_main_~j~6 21) 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; {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,381 INFO L273 TraceCheckUtils]: 52: Hoare triple {30518#(= (+ ULTIMATE.start_main_~j~6 20) 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; {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,382 INFO L273 TraceCheckUtils]: 53: Hoare triple {30519#(= (+ ULTIMATE.start_main_~j~6 19) 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; {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,383 INFO L273 TraceCheckUtils]: 54: Hoare triple {30520#(= (+ ULTIMATE.start_main_~j~6 18) 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; {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,384 INFO L273 TraceCheckUtils]: 55: Hoare triple {30521#(= (+ ULTIMATE.start_main_~j~6 17) 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; {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,385 INFO L273 TraceCheckUtils]: 56: Hoare triple {30522#(= (+ ULTIMATE.start_main_~j~6 16) 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; {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,386 INFO L273 TraceCheckUtils]: 57: Hoare triple {30523#(= (+ ULTIMATE.start_main_~j~6 15) 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; {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,387 INFO L273 TraceCheckUtils]: 58: Hoare triple {30524#(= (+ ULTIMATE.start_main_~j~6 14) 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; {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,388 INFO L273 TraceCheckUtils]: 59: Hoare triple {30525#(= (+ ULTIMATE.start_main_~j~6 13) 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; {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,389 INFO L273 TraceCheckUtils]: 60: Hoare triple {30526#(= (+ ULTIMATE.start_main_~j~6 12) 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; {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,390 INFO L273 TraceCheckUtils]: 61: Hoare triple {30527#(= (+ ULTIMATE.start_main_~j~6 11) 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; {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,391 INFO L273 TraceCheckUtils]: 62: Hoare triple {30528#(= (+ ULTIMATE.start_main_~j~6 10) 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; {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,392 INFO L273 TraceCheckUtils]: 63: Hoare triple {30529#(= (+ ULTIMATE.start_main_~j~6 9) 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; {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,393 INFO L273 TraceCheckUtils]: 64: Hoare triple {30530#(= (+ ULTIMATE.start_main_~j~6 8) 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; {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,394 INFO L273 TraceCheckUtils]: 65: Hoare triple {30531#(= (+ ULTIMATE.start_main_~j~6 7) 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; {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,395 INFO L273 TraceCheckUtils]: 66: Hoare triple {30532#(= (+ ULTIMATE.start_main_~j~6 6) 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; {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,396 INFO L273 TraceCheckUtils]: 67: Hoare triple {30533#(= (+ ULTIMATE.start_main_~j~6 5) 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; {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,397 INFO L273 TraceCheckUtils]: 68: Hoare triple {30534#(= (+ ULTIMATE.start_main_~j~6 4) 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; {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,398 INFO L273 TraceCheckUtils]: 69: Hoare triple {30535#(= (+ ULTIMATE.start_main_~j~6 3) 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; {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,399 INFO L273 TraceCheckUtils]: 70: Hoare triple {30536#(= (+ ULTIMATE.start_main_~j~6 2) 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; {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:30,400 INFO L273 TraceCheckUtils]: 71: Hoare triple {30537#(= (+ 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; {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:28:30,402 INFO L273 TraceCheckUtils]: 72: Hoare triple {30538#(= (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; {30466#false} is VALID [2019-02-14 16:28:30,402 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-02-14 16:28:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:28:30,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:28:30,411 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:28:30,411 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:28:30,411 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:28:30,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:28:30,411 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:28:30,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:28:30,421 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:28:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:28:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:28:30,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:28:34,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:28:34,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:28:34,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:28:34,084 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:28:34,087 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:28:34,087 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_925]. (and (= (store v_ULTIMATE.start_main_~str2~6_925 34 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35)) [2019-02-14 16:28:34,087 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35)) [2019-02-14 16:28:34,187 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#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; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,188 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,189 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,190 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:28:34,191 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,192 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:28:34,193 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,194 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:28:34,195 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,196 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,197 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,198 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:28:34,199 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,200 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,201 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,202 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:28:34,203 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:28:34,204 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,205 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,206 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,207 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,208 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,209 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:28:34,210 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:28:34,211 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,212 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,213 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:28:34,214 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,215 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,216 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:28:34,217 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:28:34,218 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,219 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:28:34,220 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:28:34,223 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:34,223 INFO L273 TraceCheckUtils]: 35: Hoare triple {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {30648#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:28:34,224 INFO L273 TraceCheckUtils]: 36: Hoare triple {30648#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 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; {30652#(and (= ULTIMATE.start_main_~j~6 0) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,224 INFO L273 TraceCheckUtils]: 37: Hoare triple {30652#(and (= ULTIMATE.start_main_~j~6 0) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30656#(and (= ULTIMATE.start_main_~j~6 1) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,225 INFO L273 TraceCheckUtils]: 38: Hoare triple {30656#(and (= ULTIMATE.start_main_~j~6 1) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30660#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,225 INFO L273 TraceCheckUtils]: 39: Hoare triple {30660#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30664#(and (= ULTIMATE.start_main_~j~6 3) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,226 INFO L273 TraceCheckUtils]: 40: Hoare triple {30664#(and (= ULTIMATE.start_main_~j~6 3) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30668#(and (= ULTIMATE.start_main_~j~6 4) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,227 INFO L273 TraceCheckUtils]: 41: Hoare triple {30668#(and (= ULTIMATE.start_main_~j~6 4) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30672#(and (= ULTIMATE.start_main_~j~6 5) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,227 INFO L273 TraceCheckUtils]: 42: Hoare triple {30672#(and (= ULTIMATE.start_main_~j~6 5) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30676#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,228 INFO L273 TraceCheckUtils]: 43: Hoare triple {30676#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30680#(and (= ULTIMATE.start_main_~j~6 7) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,229 INFO L273 TraceCheckUtils]: 44: Hoare triple {30680#(and (= ULTIMATE.start_main_~j~6 7) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30684#(and (= ULTIMATE.start_main_~j~6 8) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,230 INFO L273 TraceCheckUtils]: 45: Hoare triple {30684#(and (= ULTIMATE.start_main_~j~6 8) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30688#(and (= ULTIMATE.start_main_~j~6 9) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,231 INFO L273 TraceCheckUtils]: 46: Hoare triple {30688#(and (= ULTIMATE.start_main_~j~6 9) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30692#(and (= ULTIMATE.start_main_~j~6 10) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,232 INFO L273 TraceCheckUtils]: 47: Hoare triple {30692#(and (= ULTIMATE.start_main_~j~6 10) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30696#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,233 INFO L273 TraceCheckUtils]: 48: Hoare triple {30696#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30700#(and (= ULTIMATE.start_main_~j~6 12) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,233 INFO L273 TraceCheckUtils]: 49: Hoare triple {30700#(and (= ULTIMATE.start_main_~j~6 12) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30704#(and (= ULTIMATE.start_main_~j~6 13) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,234 INFO L273 TraceCheckUtils]: 50: Hoare triple {30704#(and (= ULTIMATE.start_main_~j~6 13) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30708#(and (= ULTIMATE.start_main_~j~6 14) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,235 INFO L273 TraceCheckUtils]: 51: Hoare triple {30708#(and (= ULTIMATE.start_main_~j~6 14) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30712#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:28:34,236 INFO L273 TraceCheckUtils]: 52: Hoare triple {30712#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 15))} 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; {30716#(and (= ULTIMATE.start_main_~j~6 16) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,237 INFO L273 TraceCheckUtils]: 53: Hoare triple {30716#(and (= ULTIMATE.start_main_~j~6 16) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30720#(and (= ULTIMATE.start_main_~j~6 17) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,238 INFO L273 TraceCheckUtils]: 54: Hoare triple {30720#(and (= ULTIMATE.start_main_~j~6 17) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30724#(and (= ULTIMATE.start_main_~j~6 18) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,238 INFO L273 TraceCheckUtils]: 55: Hoare triple {30724#(and (= ULTIMATE.start_main_~j~6 18) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30728#(and (= ULTIMATE.start_main_~j~6 19) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,239 INFO L273 TraceCheckUtils]: 56: Hoare triple {30728#(and (= ULTIMATE.start_main_~j~6 19) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30732#(and (= ULTIMATE.start_main_~j~6 20) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,240 INFO L273 TraceCheckUtils]: 57: Hoare triple {30732#(and (= ULTIMATE.start_main_~j~6 20) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30736#(and (= ULTIMATE.start_main_~j~6 21) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,241 INFO L273 TraceCheckUtils]: 58: Hoare triple {30736#(and (= ULTIMATE.start_main_~j~6 21) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30740#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:28:34,242 INFO L273 TraceCheckUtils]: 59: Hoare triple {30740#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 22))} 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; {30744#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,243 INFO L273 TraceCheckUtils]: 60: Hoare triple {30744#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30748#(and (= ULTIMATE.start_main_~j~6 24) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,243 INFO L273 TraceCheckUtils]: 61: Hoare triple {30748#(and (= ULTIMATE.start_main_~j~6 24) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30752#(and (= ULTIMATE.start_main_~j~6 25) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,244 INFO L273 TraceCheckUtils]: 62: Hoare triple {30752#(and (= ULTIMATE.start_main_~j~6 25) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30756#(and (= ULTIMATE.start_main_~j~6 26) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,245 INFO L273 TraceCheckUtils]: 63: Hoare triple {30756#(and (= ULTIMATE.start_main_~j~6 26) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30760#(and (= ULTIMATE.start_main_~j~6 27) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,246 INFO L273 TraceCheckUtils]: 64: Hoare triple {30760#(and (= ULTIMATE.start_main_~j~6 27) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30764#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,247 INFO L273 TraceCheckUtils]: 65: Hoare triple {30764#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30768#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:28:34,248 INFO L273 TraceCheckUtils]: 66: Hoare triple {30768#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 29))} 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; {30772#(and (= ULTIMATE.start_main_~j~6 30) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,249 INFO L273 TraceCheckUtils]: 67: Hoare triple {30772#(and (= ULTIMATE.start_main_~j~6 30) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30776#(and (= ULTIMATE.start_main_~j~6 31) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,249 INFO L273 TraceCheckUtils]: 68: Hoare triple {30776#(and (= ULTIMATE.start_main_~j~6 31) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30780#(and (= ULTIMATE.start_main_~j~6 32) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,251 INFO L273 TraceCheckUtils]: 69: Hoare triple {30780#(and (= ULTIMATE.start_main_~j~6 32) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30784#(and (= ULTIMATE.start_main_~j~6 33) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,252 INFO L273 TraceCheckUtils]: 70: Hoare triple {30784#(and (= ULTIMATE.start_main_~j~6 33) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30788#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 34) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,253 INFO L273 TraceCheckUtils]: 71: Hoare triple {30788#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 34) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30792#(and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2019-02-14 16:28:34,254 INFO L273 TraceCheckUtils]: 72: Hoare triple {30792#(and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} 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; {30466#false} is VALID [2019-02-14 16:28:34,254 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-02-14 16:28:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:28:34,264 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:28:34,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:28:34,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:28:34,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:28:34,300 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:28:34,302 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:28:34,303 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:28:34,303 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:28:35,703 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-02-14 16:28:35,704 INFO L273 TraceCheckUtils]: 72: Hoare triple {30538#(= (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; {30466#false} is VALID [2019-02-14 16:28:35,705 INFO L273 TraceCheckUtils]: 71: Hoare triple {30537#(= (+ 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; {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:28:35,705 INFO L273 TraceCheckUtils]: 70: Hoare triple {30536#(= (+ ULTIMATE.start_main_~j~6 2) 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; {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,707 INFO L273 TraceCheckUtils]: 69: Hoare triple {30535#(= (+ ULTIMATE.start_main_~j~6 3) 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; {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,707 INFO L273 TraceCheckUtils]: 68: Hoare triple {30534#(= (+ ULTIMATE.start_main_~j~6 4) 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; {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,709 INFO L273 TraceCheckUtils]: 67: Hoare triple {30533#(= (+ ULTIMATE.start_main_~j~6 5) 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; {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,710 INFO L273 TraceCheckUtils]: 66: Hoare triple {30532#(= (+ ULTIMATE.start_main_~j~6 6) 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; {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,711 INFO L273 TraceCheckUtils]: 65: Hoare triple {30531#(= (+ ULTIMATE.start_main_~j~6 7) 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; {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,713 INFO L273 TraceCheckUtils]: 64: Hoare triple {30530#(= (+ ULTIMATE.start_main_~j~6 8) 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; {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,714 INFO L273 TraceCheckUtils]: 63: Hoare triple {30529#(= (+ ULTIMATE.start_main_~j~6 9) 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; {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,715 INFO L273 TraceCheckUtils]: 62: Hoare triple {30528#(= (+ ULTIMATE.start_main_~j~6 10) 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; {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,715 INFO L273 TraceCheckUtils]: 61: Hoare triple {30527#(= (+ ULTIMATE.start_main_~j~6 11) 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; {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,717 INFO L273 TraceCheckUtils]: 60: Hoare triple {30526#(= (+ ULTIMATE.start_main_~j~6 12) 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; {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,719 INFO L273 TraceCheckUtils]: 59: Hoare triple {30525#(= (+ ULTIMATE.start_main_~j~6 13) 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; {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,720 INFO L273 TraceCheckUtils]: 58: Hoare triple {30524#(= (+ ULTIMATE.start_main_~j~6 14) 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; {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,721 INFO L273 TraceCheckUtils]: 57: Hoare triple {30523#(= (+ ULTIMATE.start_main_~j~6 15) 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; {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,721 INFO L273 TraceCheckUtils]: 56: Hoare triple {30522#(= (+ ULTIMATE.start_main_~j~6 16) 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; {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,723 INFO L273 TraceCheckUtils]: 55: Hoare triple {30521#(= (+ ULTIMATE.start_main_~j~6 17) 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; {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,726 INFO L273 TraceCheckUtils]: 54: Hoare triple {30520#(= (+ ULTIMATE.start_main_~j~6 18) 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; {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,728 INFO L273 TraceCheckUtils]: 53: Hoare triple {30519#(= (+ ULTIMATE.start_main_~j~6 19) 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; {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,728 INFO L273 TraceCheckUtils]: 52: Hoare triple {30518#(= (+ ULTIMATE.start_main_~j~6 20) 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; {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,730 INFO L273 TraceCheckUtils]: 51: Hoare triple {30517#(= (+ ULTIMATE.start_main_~j~6 21) 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; {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,730 INFO L273 TraceCheckUtils]: 50: Hoare triple {30516#(= (+ ULTIMATE.start_main_~j~6 22) 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; {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,732 INFO L273 TraceCheckUtils]: 49: Hoare triple {30515#(= (+ ULTIMATE.start_main_~j~6 23) 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; {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,733 INFO L273 TraceCheckUtils]: 48: Hoare triple {30514#(= (+ ULTIMATE.start_main_~j~6 24) 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; {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,734 INFO L273 TraceCheckUtils]: 47: Hoare triple {30513#(= (+ ULTIMATE.start_main_~j~6 25) 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; {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,735 INFO L273 TraceCheckUtils]: 46: Hoare triple {30512#(= (+ ULTIMATE.start_main_~j~6 26) 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; {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,736 INFO L273 TraceCheckUtils]: 45: Hoare triple {30511#(= (+ ULTIMATE.start_main_~j~6 27) 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; {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,737 INFO L273 TraceCheckUtils]: 44: Hoare triple {30510#(= (+ ULTIMATE.start_main_~j~6 28) 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; {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,738 INFO L273 TraceCheckUtils]: 43: Hoare triple {30509#(= (+ ULTIMATE.start_main_~j~6 29) 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; {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,739 INFO L273 TraceCheckUtils]: 42: Hoare triple {30508#(= (+ ULTIMATE.start_main_~j~6 30) 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; {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,740 INFO L273 TraceCheckUtils]: 41: Hoare triple {30507#(= (+ ULTIMATE.start_main_~j~6 31) 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; {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,741 INFO L273 TraceCheckUtils]: 40: Hoare triple {30506#(= (+ ULTIMATE.start_main_~j~6 32) 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; {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,742 INFO L273 TraceCheckUtils]: 39: Hoare triple {30505#(= (+ ULTIMATE.start_main_~j~6 33) 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; {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,743 INFO L273 TraceCheckUtils]: 38: Hoare triple {30504#(= (+ ULTIMATE.start_main_~j~6 34) 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; {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,744 INFO L273 TraceCheckUtils]: 37: Hoare triple {30503#(= (+ ULTIMATE.start_main_~j~6 35) 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; {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,745 INFO L273 TraceCheckUtils]: 36: Hoare triple {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 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; {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:28:35,746 INFO L273 TraceCheckUtils]: 35: Hoare triple {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:28:35,747 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,748 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:28:35,749 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:28:35,750 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,751 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:28:35,752 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:28:35,753 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,754 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,755 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:28:35,757 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,758 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,759 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:28:35,761 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:28:35,764 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,764 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,766 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,766 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,768 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,769 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:28:35,770 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:28:35,771 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,772 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,773 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,774 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:28:35,775 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,776 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,777 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,778 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:28:35,779 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,780 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:28:35,781 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,782 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:28:35,783 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,784 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,785 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#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; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:28:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:28:35,811 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:28:35,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 73] total 111 [2019-02-14 16:28:35,811 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:28:35,811 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-02-14 16:28:35,812 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:28:35,812 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 112 states. [2019-02-14 16:28:36,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:28:36,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 112 states [2019-02-14 16:28:36,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2019-02-14 16:28:36,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=12101, Unknown=0, NotChecked=0, Total=12432 [2019-02-14 16:28:36,024 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 112 states. [2019-02-14 16:28:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:28:59,116 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2019-02-14 16:28:59,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-02-14 16:28:59,116 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-02-14 16:28:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:28:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-02-14 16:28:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-02-14 16:28:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-02-14 16:28:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-02-14 16:28:59,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 82 transitions. [2019-02-14 16:28:59,210 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:28:59,212 INFO L225 Difference]: With dead ends: 114 [2019-02-14 16:28:59,212 INFO L226 Difference]: Without dead ends: 76 [2019-02-14 16:28:59,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 83 SyntacticMatches, 26 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3645 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=700, Invalid=21650, Unknown=0, NotChecked=0, Total=22350 [2019-02-14 16:28:59,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-02-14 16:29:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-02-14 16:29:01,385 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:29:01,385 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 76 states. [2019-02-14 16:29:01,385 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-02-14 16:29:01,386 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-02-14 16:29:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:01,387 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-02-14 16:29:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-02-14 16:29:01,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:01,387 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:01,387 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-02-14 16:29:01,387 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-02-14 16:29:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:01,388 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-02-14 16:29:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-02-14 16:29:01,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:01,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:01,388 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:29:01,389 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:29:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-02-14 16:29:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2019-02-14 16:29:01,389 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 74 [2019-02-14 16:29:01,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:29:01,389 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2019-02-14 16:29:01,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 112 states. [2019-02-14 16:29:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-02-14 16:29:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-02-14 16:29:01,390 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:29:01,390 INFO L402 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1, 1] [2019-02-14 16:29:01,390 INFO L423 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:29:01,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:29:01,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2146155380, now seen corresponding path program 53 times [2019-02-14 16:29:01,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:29:01,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:01,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:29:01,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:01,392 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:29:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:29:03,040 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,041 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,042 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,043 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,044 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,045 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,046 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,047 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,048 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,049 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,050 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,051 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,052 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,052 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,053 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,054 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,055 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,056 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,057 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,058 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,059 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,060 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,061 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,062 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,062 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,063 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,064 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,065 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,066 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,067 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,068 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,069 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,070 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,071 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,072 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,072 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,073 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:03,074 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,075 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,076 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,077 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,078 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,079 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,080 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,081 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,082 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,083 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,083 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,084 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,085 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,086 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,087 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,088 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,089 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,090 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,091 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,092 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,093 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,093 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,094 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,095 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,096 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,097 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,098 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,099 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,100 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,101 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,102 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,102 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,103 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,104 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,105 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,106 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,107 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} 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; {31621#false} is VALID [2019-02-14 16:29:03,107 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-02-14 16:29:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:29:03,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:29:03,112 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:29:03,112 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:29:03,112 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:29:03,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:29:03,112 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:29:03,121 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:29:03,121 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:29:03,336 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2019-02-14 16:29:03,336 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:29:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:29:03,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:29:03,704 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,705 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,706 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,707 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,707 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,708 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,709 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,710 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,711 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,712 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,713 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,714 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,715 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,716 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,717 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,718 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,718 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,719 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,720 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,721 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,722 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,723 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,724 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,725 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,726 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,727 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,728 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,729 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,729 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,730 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,731 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,732 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,733 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,734 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,735 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,736 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,737 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:03,738 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,739 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,740 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,740 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,741 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,742 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,743 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,744 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,745 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,747 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,748 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,749 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,750 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,750 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,751 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,752 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,753 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,754 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,755 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,756 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,757 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,758 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,759 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,760 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,760 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,761 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,762 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,763 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,764 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,765 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,766 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,767 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,768 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,769 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,770 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,770 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:03,771 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} 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; {31621#false} is VALID [2019-02-14 16:29:03,771 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-02-14 16:29:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:29:03,776 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:29:05,146 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-02-14 16:29:05,147 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} 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; {31621#false} is VALID [2019-02-14 16:29:05,148 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,148 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,149 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,150 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,151 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,152 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,153 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,154 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,155 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,156 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,157 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,158 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,159 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,159 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,160 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,161 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,162 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,163 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,164 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,165 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,166 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,167 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,168 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,168 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,169 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,170 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,171 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,172 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,173 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,174 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,175 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,176 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,177 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,178 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,178 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,179 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,180 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~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; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:05,181 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~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; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,182 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~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; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,183 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~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; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,184 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~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; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,185 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~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; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,186 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~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; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,187 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~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; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,188 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~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; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,189 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~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; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,189 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~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; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,190 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~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; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,191 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~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; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,192 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~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; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,193 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~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; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,194 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~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; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,195 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~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; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,196 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~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; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,197 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~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; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,198 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~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; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,199 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~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; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,199 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~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; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,200 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~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; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,201 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~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; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,202 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~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; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,203 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~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; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,204 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~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; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,205 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~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; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,206 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~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; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,207 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~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; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,208 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~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; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,209 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~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; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,209 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~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; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,210 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~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; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,211 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~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; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,212 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~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; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,213 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#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; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:29:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:29:05,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:29:05,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 38 [2019-02-14 16:29:05,238 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:29:05,238 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-02-14 16:29:05,238 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:29:05,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2019-02-14 16:29:05,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:29:05,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-02-14 16:29:05,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-02-14 16:29:05,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2019-02-14 16:29:05,329 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 39 states. [2019-02-14 16:29:08,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:08,747 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-02-14 16:29:08,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2019-02-14 16:29:08,747 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-02-14 16:29:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:29:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-02-14 16:29:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-02-14 16:29:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-02-14 16:29:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-02-14 16:29:08,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2019-02-14 16:29:08,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:29:08,824 INFO L225 Difference]: With dead ends: 79 [2019-02-14 16:29:08,824 INFO L226 Difference]: Without dead ends: 77 [2019-02-14 16:29:08,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 113 SyntacticMatches, 72 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2520 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2109, Invalid=3441, Unknown=0, NotChecked=0, Total=5550 [2019-02-14 16:29:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-02-14 16:29:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-02-14 16:29:11,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:29:11,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2019-02-14 16:29:11,699 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-02-14 16:29:11,699 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-02-14 16:29:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:11,699 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-02-14 16:29:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-02-14 16:29:11,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:11,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:11,700 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-02-14 16:29:11,700 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-02-14 16:29:11,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:11,701 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-02-14 16:29:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-02-14 16:29:11,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:11,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:11,701 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:29:11,701 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:29:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-02-14 16:29:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2019-02-14 16:29:11,702 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 75 [2019-02-14 16:29:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:29:11,702 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2019-02-14 16:29:11,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-02-14 16:29:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-02-14 16:29:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-02-14 16:29:11,703 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:29:11,703 INFO L402 BasicCegarLoop]: trace histogram [36, 36, 1, 1, 1, 1] [2019-02-14 16:29:11,703 INFO L423 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:29:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:29:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2106305526, now seen corresponding path program 54 times [2019-02-14 16:29:11,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:29:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:11,704 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:29:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:11,704 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:29:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:29:14,958 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#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; {32640#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,960 INFO L273 TraceCheckUtils]: 1: Hoare triple {32640#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {32641#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,961 INFO L273 TraceCheckUtils]: 2: Hoare triple {32641#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {32642#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,962 INFO L273 TraceCheckUtils]: 3: Hoare triple {32642#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {32643#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:29:14,963 INFO L273 TraceCheckUtils]: 4: Hoare triple {32643#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {32644#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,964 INFO L273 TraceCheckUtils]: 5: Hoare triple {32644#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {32645#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:29:14,965 INFO L273 TraceCheckUtils]: 6: Hoare triple {32645#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {32646#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,966 INFO L273 TraceCheckUtils]: 7: Hoare triple {32646#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {32647#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:29:14,967 INFO L273 TraceCheckUtils]: 8: Hoare triple {32647#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {32648#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,968 INFO L273 TraceCheckUtils]: 9: Hoare triple {32648#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {32649#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,969 INFO L273 TraceCheckUtils]: 10: Hoare triple {32649#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {32650#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,970 INFO L273 TraceCheckUtils]: 11: Hoare triple {32650#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {32651#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:29:14,971 INFO L273 TraceCheckUtils]: 12: Hoare triple {32651#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {32652#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,972 INFO L273 TraceCheckUtils]: 13: Hoare triple {32652#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {32653#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,973 INFO L273 TraceCheckUtils]: 14: Hoare triple {32653#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {32654#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,974 INFO L273 TraceCheckUtils]: 15: Hoare triple {32654#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {32655#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:29:14,975 INFO L273 TraceCheckUtils]: 16: Hoare triple {32655#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {32656#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:29:14,976 INFO L273 TraceCheckUtils]: 17: Hoare triple {32656#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {32657#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,977 INFO L273 TraceCheckUtils]: 18: Hoare triple {32657#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {32658#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,978 INFO L273 TraceCheckUtils]: 19: Hoare triple {32658#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {32659#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,979 INFO L273 TraceCheckUtils]: 20: Hoare triple {32659#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {32660#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,980 INFO L273 TraceCheckUtils]: 21: Hoare triple {32660#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {32661#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,981 INFO L273 TraceCheckUtils]: 22: Hoare triple {32661#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {32662#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:29:14,982 INFO L273 TraceCheckUtils]: 23: Hoare triple {32662#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {32663#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:29:14,983 INFO L273 TraceCheckUtils]: 24: Hoare triple {32663#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {32664#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,984 INFO L273 TraceCheckUtils]: 25: Hoare triple {32664#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {32665#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,985 INFO L273 TraceCheckUtils]: 26: Hoare triple {32665#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {32666#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:29:14,986 INFO L273 TraceCheckUtils]: 27: Hoare triple {32666#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {32667#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,987 INFO L273 TraceCheckUtils]: 28: Hoare triple {32667#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {32668#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,988 INFO L273 TraceCheckUtils]: 29: Hoare triple {32668#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {32669#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:29:14,989 INFO L273 TraceCheckUtils]: 30: Hoare triple {32669#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {32670#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:29:14,989 INFO L273 TraceCheckUtils]: 31: Hoare triple {32670#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {32671#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,990 INFO L273 TraceCheckUtils]: 32: Hoare triple {32671#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {32672#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:29:14,991 INFO L273 TraceCheckUtils]: 33: Hoare triple {32672#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {32673#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:29:14,992 INFO L273 TraceCheckUtils]: 34: Hoare triple {32673#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {32674#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:14,994 INFO L273 TraceCheckUtils]: 35: Hoare triple {32674#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {32675#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:29:14,995 INFO L273 TraceCheckUtils]: 36: Hoare triple {32675#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {32676#(or (= 36 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:29:14,996 INFO L273 TraceCheckUtils]: 37: Hoare triple {32676#(or (= 36 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {32677#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:14,997 INFO L273 TraceCheckUtils]: 38: Hoare triple {32677#(= (+ ULTIMATE.start_main_~j~6 36) 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; {32678#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:14,998 INFO L273 TraceCheckUtils]: 39: Hoare triple {32678#(= (+ ULTIMATE.start_main_~j~6 35) 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; {32679#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:14,999 INFO L273 TraceCheckUtils]: 40: Hoare triple {32679#(= (+ ULTIMATE.start_main_~j~6 34) 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; {32680#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,000 INFO L273 TraceCheckUtils]: 41: Hoare triple {32680#(= (+ ULTIMATE.start_main_~j~6 33) 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; {32681#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,001 INFO L273 TraceCheckUtils]: 42: Hoare triple {32681#(= (+ ULTIMATE.start_main_~j~6 32) 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; {32682#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,002 INFO L273 TraceCheckUtils]: 43: Hoare triple {32682#(= (+ ULTIMATE.start_main_~j~6 31) 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; {32683#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,003 INFO L273 TraceCheckUtils]: 44: Hoare triple {32683#(= (+ ULTIMATE.start_main_~j~6 30) 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; {32684#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,004 INFO L273 TraceCheckUtils]: 45: Hoare triple {32684#(= (+ ULTIMATE.start_main_~j~6 29) 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; {32685#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,005 INFO L273 TraceCheckUtils]: 46: Hoare triple {32685#(= (+ ULTIMATE.start_main_~j~6 28) 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; {32686#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,006 INFO L273 TraceCheckUtils]: 47: Hoare triple {32686#(= (+ ULTIMATE.start_main_~j~6 27) 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; {32687#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,007 INFO L273 TraceCheckUtils]: 48: Hoare triple {32687#(= (+ ULTIMATE.start_main_~j~6 26) 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; {32688#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,008 INFO L273 TraceCheckUtils]: 49: Hoare triple {32688#(= (+ ULTIMATE.start_main_~j~6 25) 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; {32689#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,009 INFO L273 TraceCheckUtils]: 50: Hoare triple {32689#(= (+ ULTIMATE.start_main_~j~6 24) 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; {32690#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,010 INFO L273 TraceCheckUtils]: 51: Hoare triple {32690#(= (+ ULTIMATE.start_main_~j~6 23) 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; {32691#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,011 INFO L273 TraceCheckUtils]: 52: Hoare triple {32691#(= (+ ULTIMATE.start_main_~j~6 22) 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; {32692#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,012 INFO L273 TraceCheckUtils]: 53: Hoare triple {32692#(= (+ ULTIMATE.start_main_~j~6 21) 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; {32693#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,013 INFO L273 TraceCheckUtils]: 54: Hoare triple {32693#(= (+ ULTIMATE.start_main_~j~6 20) 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; {32694#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,014 INFO L273 TraceCheckUtils]: 55: Hoare triple {32694#(= (+ ULTIMATE.start_main_~j~6 19) 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; {32695#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,015 INFO L273 TraceCheckUtils]: 56: Hoare triple {32695#(= (+ ULTIMATE.start_main_~j~6 18) 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; {32696#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,016 INFO L273 TraceCheckUtils]: 57: Hoare triple {32696#(= (+ ULTIMATE.start_main_~j~6 17) 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; {32697#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,017 INFO L273 TraceCheckUtils]: 58: Hoare triple {32697#(= (+ ULTIMATE.start_main_~j~6 16) 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; {32698#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,018 INFO L273 TraceCheckUtils]: 59: Hoare triple {32698#(= (+ ULTIMATE.start_main_~j~6 15) 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; {32699#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,019 INFO L273 TraceCheckUtils]: 60: Hoare triple {32699#(= (+ ULTIMATE.start_main_~j~6 14) 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; {32700#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,020 INFO L273 TraceCheckUtils]: 61: Hoare triple {32700#(= (+ ULTIMATE.start_main_~j~6 13) 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; {32701#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,021 INFO L273 TraceCheckUtils]: 62: Hoare triple {32701#(= (+ ULTIMATE.start_main_~j~6 12) 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; {32702#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,022 INFO L273 TraceCheckUtils]: 63: Hoare triple {32702#(= (+ ULTIMATE.start_main_~j~6 11) 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; {32703#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,023 INFO L273 TraceCheckUtils]: 64: Hoare triple {32703#(= (+ ULTIMATE.start_main_~j~6 10) 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; {32704#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,024 INFO L273 TraceCheckUtils]: 65: Hoare triple {32704#(= (+ ULTIMATE.start_main_~j~6 9) 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; {32705#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,025 INFO L273 TraceCheckUtils]: 66: Hoare triple {32705#(= (+ ULTIMATE.start_main_~j~6 8) 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; {32706#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,026 INFO L273 TraceCheckUtils]: 67: Hoare triple {32706#(= (+ ULTIMATE.start_main_~j~6 7) 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; {32707#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,027 INFO L273 TraceCheckUtils]: 68: Hoare triple {32707#(= (+ ULTIMATE.start_main_~j~6 6) 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; {32708#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,028 INFO L273 TraceCheckUtils]: 69: Hoare triple {32708#(= (+ ULTIMATE.start_main_~j~6 5) 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; {32709#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,029 INFO L273 TraceCheckUtils]: 70: Hoare triple {32709#(= (+ ULTIMATE.start_main_~j~6 4) 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; {32710#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,030 INFO L273 TraceCheckUtils]: 71: Hoare triple {32710#(= (+ ULTIMATE.start_main_~j~6 3) 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; {32711#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,031 INFO L273 TraceCheckUtils]: 72: Hoare triple {32711#(= (+ ULTIMATE.start_main_~j~6 2) 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; {32712#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:29:15,032 INFO L273 TraceCheckUtils]: 73: Hoare triple {32712#(= (+ 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; {32713#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:29:15,033 INFO L273 TraceCheckUtils]: 74: Hoare triple {32713#(= (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; {32639#false} is VALID [2019-02-14 16:29:15,033 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-02-14 16:29:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:29:15,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:29:15,042 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:29:15,042 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:29:15,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:29:15,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:29:15,043 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:29:15,051 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:29:15,051 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:29:15,100 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:29:15,100 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:29:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:29:15,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:29:18,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:29:18,937 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:29:18,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:29:18,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:29:18,946 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:29:18,946 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_996]. (and (= (store v_ULTIMATE.start_main_~str2~6_996 35 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (<= 36 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:29:18,947 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (<= 36 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35))) [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 1: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 2: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 3: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 4: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 5: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 6: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,082 INFO L273 TraceCheckUtils]: 7: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 8: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 9: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 10: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 11: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 12: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 13: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 14: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 15: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 16: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,083 INFO L273 TraceCheckUtils]: 17: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 18: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 19: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 20: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 21: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 22: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 23: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 24: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 25: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 26: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,084 INFO L273 TraceCheckUtils]: 27: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 28: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 29: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 30: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 31: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 32: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 33: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 34: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 35: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,085 INFO L273 TraceCheckUtils]: 36: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:19,086 INFO L273 TraceCheckUtils]: 37: Hoare triple {32638#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; {32828#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:29:19,087 INFO L273 TraceCheckUtils]: 38: Hoare triple {32828#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {32832#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:29:19,087 INFO L273 TraceCheckUtils]: 39: Hoare triple {32832#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {32836#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:29:19,088 INFO L273 TraceCheckUtils]: 40: Hoare triple {32836#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {32840#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:29:19,088 INFO L273 TraceCheckUtils]: 41: Hoare triple {32840#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {32844#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:29:19,089 INFO L273 TraceCheckUtils]: 42: Hoare triple {32844#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {32848#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:29:19,090 INFO L273 TraceCheckUtils]: 43: Hoare triple {32848#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {32852#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:29:19,091 INFO L273 TraceCheckUtils]: 44: Hoare triple {32852#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {32856#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:29:19,092 INFO L273 TraceCheckUtils]: 45: Hoare triple {32856#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {32860#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:29:19,093 INFO L273 TraceCheckUtils]: 46: Hoare triple {32860#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {32864#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:29:19,094 INFO L273 TraceCheckUtils]: 47: Hoare triple {32864#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {32868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:29:19,095 INFO L273 TraceCheckUtils]: 48: Hoare triple {32868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {32872#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:29:19,097 INFO L273 TraceCheckUtils]: 49: Hoare triple {32872#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {32876#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:29:19,098 INFO L273 TraceCheckUtils]: 50: Hoare triple {32876#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {32880#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:29:19,099 INFO L273 TraceCheckUtils]: 51: Hoare triple {32880#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {32884#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:29:19,100 INFO L273 TraceCheckUtils]: 52: Hoare triple {32884#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {32888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:29:19,101 INFO L273 TraceCheckUtils]: 53: Hoare triple {32888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {32892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:29:19,102 INFO L273 TraceCheckUtils]: 54: Hoare triple {32892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {32896#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:29:19,103 INFO L273 TraceCheckUtils]: 55: Hoare triple {32896#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {32900#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:29:19,104 INFO L273 TraceCheckUtils]: 56: Hoare triple {32900#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {32904#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:29:19,105 INFO L273 TraceCheckUtils]: 57: Hoare triple {32904#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {32908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:29:19,106 INFO L273 TraceCheckUtils]: 58: Hoare triple {32908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {32912#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:29:19,107 INFO L273 TraceCheckUtils]: 59: Hoare triple {32912#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {32916#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:29:19,108 INFO L273 TraceCheckUtils]: 60: Hoare triple {32916#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {32920#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:29:19,109 INFO L273 TraceCheckUtils]: 61: Hoare triple {32920#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {32924#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:29:19,110 INFO L273 TraceCheckUtils]: 62: Hoare triple {32924#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {32928#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:29:19,111 INFO L273 TraceCheckUtils]: 63: Hoare triple {32928#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {32932#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:29:19,112 INFO L273 TraceCheckUtils]: 64: Hoare triple {32932#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {32936#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:29:19,113 INFO L273 TraceCheckUtils]: 65: Hoare triple {32936#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {32940#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:29:19,114 INFO L273 TraceCheckUtils]: 66: Hoare triple {32940#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} 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; {32944#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:29:19,116 INFO L273 TraceCheckUtils]: 67: Hoare triple {32944#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} 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; {32948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2019-02-14 16:29:19,117 INFO L273 TraceCheckUtils]: 68: Hoare triple {32948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} 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; {32952#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2019-02-14 16:29:19,118 INFO L273 TraceCheckUtils]: 69: Hoare triple {32952#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} 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; {32956#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2019-02-14 16:29:19,119 INFO L273 TraceCheckUtils]: 70: Hoare triple {32956#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} 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; {32960#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2019-02-14 16:29:19,120 INFO L273 TraceCheckUtils]: 71: Hoare triple {32960#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} 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; {32964#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} is VALID [2019-02-14 16:29:19,121 INFO L273 TraceCheckUtils]: 72: Hoare triple {32964#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} 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; {32968#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} is VALID [2019-02-14 16:29:19,122 INFO L273 TraceCheckUtils]: 73: Hoare triple {32968#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} 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; {32972#(and (<= 36 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35)))} is VALID [2019-02-14 16:29:19,123 INFO L273 TraceCheckUtils]: 74: Hoare triple {32972#(and (<= 36 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35)))} 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; {32639#false} is VALID [2019-02-14 16:29:19,123 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-02-14 16:29:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-02-14 16:29:19,131 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:29:19,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:29:19,273 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:29:19,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:29:19,284 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:29:23,593 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-02-14 16:29:23,594 INFO L273 TraceCheckUtils]: 74: Hoare triple {32982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {32639#false} is VALID [2019-02-14 16:29:23,595 INFO L273 TraceCheckUtils]: 73: Hoare triple {32986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {32982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,596 INFO L273 TraceCheckUtils]: 72: Hoare triple {32990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {32986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:29:23,598 INFO L273 TraceCheckUtils]: 71: Hoare triple {32994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {32990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:29:23,599 INFO L273 TraceCheckUtils]: 70: Hoare triple {32998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {32994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,600 INFO L273 TraceCheckUtils]: 69: Hoare triple {33002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {32998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,601 INFO L273 TraceCheckUtils]: 68: Hoare triple {33006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {33002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:29:23,602 INFO L273 TraceCheckUtils]: 67: Hoare triple {33010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {33006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:29:23,603 INFO L273 TraceCheckUtils]: 66: Hoare triple {33014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {33010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,604 INFO L273 TraceCheckUtils]: 65: Hoare triple {33018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {33014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,606 INFO L273 TraceCheckUtils]: 64: Hoare triple {33022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {33018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:29:23,607 INFO L273 TraceCheckUtils]: 63: Hoare triple {33026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {33022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,608 INFO L273 TraceCheckUtils]: 62: Hoare triple {33030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {33026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:29:23,609 INFO L273 TraceCheckUtils]: 61: Hoare triple {33034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {33030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,610 INFO L273 TraceCheckUtils]: 60: Hoare triple {33038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {33034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:29:23,611 INFO L273 TraceCheckUtils]: 59: Hoare triple {33042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {33038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,612 INFO L273 TraceCheckUtils]: 58: Hoare triple {33046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {33042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:29:23,614 INFO L273 TraceCheckUtils]: 57: Hoare triple {33050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {33046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:29:23,615 INFO L273 TraceCheckUtils]: 56: Hoare triple {33054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {33050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:29:23,616 INFO L273 TraceCheckUtils]: 55: Hoare triple {33058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {33054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:29:23,617 INFO L273 TraceCheckUtils]: 54: Hoare triple {33062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {33058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:29:23,618 INFO L273 TraceCheckUtils]: 53: Hoare triple {33066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {33062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:29:23,619 INFO L273 TraceCheckUtils]: 52: Hoare triple {33070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {33066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,620 INFO L273 TraceCheckUtils]: 51: Hoare triple {33074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {33070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:29:23,622 INFO L273 TraceCheckUtils]: 50: Hoare triple {33078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {33074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,623 INFO L273 TraceCheckUtils]: 49: Hoare triple {33082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {33078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,624 INFO L273 TraceCheckUtils]: 48: Hoare triple {33086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {33082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:29:23,625 INFO L273 TraceCheckUtils]: 47: Hoare triple {33090#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {33086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:29:23,626 INFO L273 TraceCheckUtils]: 46: Hoare triple {33094#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {33090#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:29:23,627 INFO L273 TraceCheckUtils]: 45: Hoare triple {33098#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} 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; {33094#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:29:23,629 INFO L273 TraceCheckUtils]: 44: Hoare triple {33102#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} 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; {33098#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2019-02-14 16:29:23,630 INFO L273 TraceCheckUtils]: 43: Hoare triple {33106#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~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; {33102#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:29:23,631 INFO L273 TraceCheckUtils]: 42: Hoare triple {33110#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} 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; {33106#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,632 INFO L273 TraceCheckUtils]: 41: Hoare triple {33114#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~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; {33110#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2019-02-14 16:29:23,633 INFO L273 TraceCheckUtils]: 40: Hoare triple {33118#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} 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; {33114#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,635 INFO L273 TraceCheckUtils]: 39: Hoare triple {33122#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} 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; {33118#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2019-02-14 16:29:23,636 INFO L273 TraceCheckUtils]: 38: Hoare triple {33126#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~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; {33122#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} is VALID [2019-02-14 16:29:23,637 INFO L273 TraceCheckUtils]: 37: Hoare triple {32638#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; {33126#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:29:23,637 INFO L273 TraceCheckUtils]: 36: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,637 INFO L273 TraceCheckUtils]: 35: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,637 INFO L273 TraceCheckUtils]: 34: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 33: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 32: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 31: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 30: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 29: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,638 INFO L273 TraceCheckUtils]: 28: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,639 INFO L273 TraceCheckUtils]: 27: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,639 INFO L273 TraceCheckUtils]: 26: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,639 INFO L273 TraceCheckUtils]: 25: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,639 INFO L273 TraceCheckUtils]: 24: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,639 INFO L273 TraceCheckUtils]: 23: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 22: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 21: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 20: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 19: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 18: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 17: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 16: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 15: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,640 INFO L273 TraceCheckUtils]: 14: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 13: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 12: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 11: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 10: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 9: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 8: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 7: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 6: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 5: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,641 INFO L273 TraceCheckUtils]: 4: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,642 INFO L273 TraceCheckUtils]: 3: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,642 INFO L273 TraceCheckUtils]: 2: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,642 INFO L273 TraceCheckUtils]: 1: Hoare triple {32638#true} 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; {32638#true} is VALID [2019-02-14 16:29:23,642 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#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; {32638#true} is VALID [2019-02-14 16:29:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-02-14 16:29:23,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:29:23,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 39, 39] total 150 [2019-02-14 16:29:23,668 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:29:23,668 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-02-14 16:29:23,669 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:29:23,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 113 states. [2019-02-14 16:29:23,780 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:29:23,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 113 states [2019-02-14 16:29:23,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2019-02-14 16:29:23,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=19388, Unknown=0, NotChecked=0, Total=22350 [2019-02-14 16:29:23,782 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 113 states. [2019-02-14 16:29:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:54,598 INFO L93 Difference]: Finished difference Result 119 states and 123 transitions. [2019-02-14 16:29:54,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2019-02-14 16:29:54,598 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-02-14 16:29:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:29:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-02-14 16:29:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-02-14 16:29:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-02-14 16:29:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-02-14 16:29:54,601 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 116 states and 123 transitions. [2019-02-14 16:29:54,740 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:29:54,742 INFO L225 Difference]: With dead ends: 119 [2019-02-14 16:29:54,742 INFO L226 Difference]: Without dead ends: 79 [2019-02-14 16:29:54,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=4687, Invalid=31603, Unknown=0, NotChecked=0, Total=36290 [2019-02-14 16:29:54,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-02-14 16:29:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-02-14 16:29:57,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:29:57,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2019-02-14 16:29:57,058 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-02-14 16:29:57,058 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-02-14 16:29:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:57,059 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-02-14 16:29:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-02-14 16:29:57,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:57,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:57,060 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-02-14 16:29:57,060 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-02-14 16:29:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:29:57,061 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-02-14 16:29:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-02-14 16:29:57,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:29:57,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:29:57,061 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:29:57,061 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:29:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-02-14 16:29:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2019-02-14 16:29:57,062 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 76 [2019-02-14 16:29:57,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:29:57,062 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2019-02-14 16:29:57,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 113 states. [2019-02-14 16:29:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-02-14 16:29:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-02-14 16:29:57,063 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:29:57,063 INFO L402 BasicCegarLoop]: trace histogram [37, 37, 1, 1, 1, 1] [2019-02-14 16:29:57,063 INFO L423 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:29:57,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:29:57,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1075627403, now seen corresponding path program 55 times [2019-02-14 16:29:57,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:29:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:57,064 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:29:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:29:57,064 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:29:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:00,894 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#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; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,896 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,897 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,898 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:30:00,899 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,901 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:30:00,902 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,903 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:30:00,904 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,905 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,906 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,907 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:30:00,908 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,909 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,910 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,911 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:30:00,912 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:30:00,912 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,913 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,914 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,915 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,916 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,917 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:30:00,918 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:30:00,919 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,920 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,921 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:30:00,922 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,923 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,924 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:30:00,925 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:30:00,926 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,927 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:30:00,928 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:30:00,929 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,930 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:00,931 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {33909#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36)))} is VALID [2019-02-14 16:30:00,933 INFO L273 TraceCheckUtils]: 37: Hoare triple {33909#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36)))} 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; {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:00,934 INFO L273 TraceCheckUtils]: 38: Hoare triple {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 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; {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,935 INFO L273 TraceCheckUtils]: 39: Hoare triple {33911#(= (+ ULTIMATE.start_main_~j~6 37) 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; {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,936 INFO L273 TraceCheckUtils]: 40: Hoare triple {33912#(= (+ ULTIMATE.start_main_~j~6 36) 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; {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,937 INFO L273 TraceCheckUtils]: 41: Hoare triple {33913#(= (+ ULTIMATE.start_main_~j~6 35) 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; {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,938 INFO L273 TraceCheckUtils]: 42: Hoare triple {33914#(= (+ ULTIMATE.start_main_~j~6 34) 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; {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,939 INFO L273 TraceCheckUtils]: 43: Hoare triple {33915#(= (+ ULTIMATE.start_main_~j~6 33) 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; {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,940 INFO L273 TraceCheckUtils]: 44: Hoare triple {33916#(= (+ ULTIMATE.start_main_~j~6 32) 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; {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,941 INFO L273 TraceCheckUtils]: 45: Hoare triple {33917#(= (+ ULTIMATE.start_main_~j~6 31) 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; {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,942 INFO L273 TraceCheckUtils]: 46: Hoare triple {33918#(= (+ ULTIMATE.start_main_~j~6 30) 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; {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,943 INFO L273 TraceCheckUtils]: 47: Hoare triple {33919#(= (+ ULTIMATE.start_main_~j~6 29) 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; {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,945 INFO L273 TraceCheckUtils]: 48: Hoare triple {33920#(= (+ ULTIMATE.start_main_~j~6 28) 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; {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,946 INFO L273 TraceCheckUtils]: 49: Hoare triple {33921#(= (+ ULTIMATE.start_main_~j~6 27) 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; {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,947 INFO L273 TraceCheckUtils]: 50: Hoare triple {33922#(= (+ ULTIMATE.start_main_~j~6 26) 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; {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,948 INFO L273 TraceCheckUtils]: 51: Hoare triple {33923#(= (+ ULTIMATE.start_main_~j~6 25) 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; {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,949 INFO L273 TraceCheckUtils]: 52: Hoare triple {33924#(= (+ ULTIMATE.start_main_~j~6 24) 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; {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,950 INFO L273 TraceCheckUtils]: 53: Hoare triple {33925#(= (+ ULTIMATE.start_main_~j~6 23) 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; {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,951 INFO L273 TraceCheckUtils]: 54: Hoare triple {33926#(= (+ ULTIMATE.start_main_~j~6 22) 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; {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,952 INFO L273 TraceCheckUtils]: 55: Hoare triple {33927#(= (+ ULTIMATE.start_main_~j~6 21) 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; {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,953 INFO L273 TraceCheckUtils]: 56: Hoare triple {33928#(= (+ ULTIMATE.start_main_~j~6 20) 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; {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,955 INFO L273 TraceCheckUtils]: 57: Hoare triple {33929#(= (+ ULTIMATE.start_main_~j~6 19) 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; {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,956 INFO L273 TraceCheckUtils]: 58: Hoare triple {33930#(= (+ ULTIMATE.start_main_~j~6 18) 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; {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,957 INFO L273 TraceCheckUtils]: 59: Hoare triple {33931#(= (+ ULTIMATE.start_main_~j~6 17) 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; {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,958 INFO L273 TraceCheckUtils]: 60: Hoare triple {33932#(= (+ ULTIMATE.start_main_~j~6 16) 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; {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,960 INFO L273 TraceCheckUtils]: 61: Hoare triple {33933#(= (+ ULTIMATE.start_main_~j~6 15) 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; {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,961 INFO L273 TraceCheckUtils]: 62: Hoare triple {33934#(= (+ ULTIMATE.start_main_~j~6 14) 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; {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,962 INFO L273 TraceCheckUtils]: 63: Hoare triple {33935#(= (+ ULTIMATE.start_main_~j~6 13) 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; {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,963 INFO L273 TraceCheckUtils]: 64: Hoare triple {33936#(= (+ ULTIMATE.start_main_~j~6 12) 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; {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,964 INFO L273 TraceCheckUtils]: 65: Hoare triple {33937#(= (+ ULTIMATE.start_main_~j~6 11) 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; {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,965 INFO L273 TraceCheckUtils]: 66: Hoare triple {33938#(= (+ ULTIMATE.start_main_~j~6 10) 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; {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,966 INFO L273 TraceCheckUtils]: 67: Hoare triple {33939#(= (+ ULTIMATE.start_main_~j~6 9) 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; {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,967 INFO L273 TraceCheckUtils]: 68: Hoare triple {33940#(= (+ ULTIMATE.start_main_~j~6 8) 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; {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,968 INFO L273 TraceCheckUtils]: 69: Hoare triple {33941#(= (+ ULTIMATE.start_main_~j~6 7) 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; {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,969 INFO L273 TraceCheckUtils]: 70: Hoare triple {33942#(= (+ ULTIMATE.start_main_~j~6 6) 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; {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,970 INFO L273 TraceCheckUtils]: 71: Hoare triple {33943#(= (+ ULTIMATE.start_main_~j~6 5) 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; {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,971 INFO L273 TraceCheckUtils]: 72: Hoare triple {33944#(= (+ ULTIMATE.start_main_~j~6 4) 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; {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,972 INFO L273 TraceCheckUtils]: 73: Hoare triple {33945#(= (+ ULTIMATE.start_main_~j~6 3) 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; {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,973 INFO L273 TraceCheckUtils]: 74: Hoare triple {33946#(= (+ ULTIMATE.start_main_~j~6 2) 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; {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:00,974 INFO L273 TraceCheckUtils]: 75: Hoare triple {33947#(= (+ 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; {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:30:00,975 INFO L273 TraceCheckUtils]: 76: Hoare triple {33948#(= (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; {33872#false} is VALID [2019-02-14 16:30:00,975 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-02-14 16:30:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:00,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:00,984 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:30:00,984 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:30:00,984 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:30:00,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:00,985 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:30:00,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:30:00,994 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:30:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:01,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:30:05,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:30:05,676 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:30:05,682 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:30:05,682 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-02-14 16:30:05,685 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:30:05,685 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_1033]. (and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_1033 36 (select ULTIMATE.start_main_~str1~6 0))) (<= 37 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:30:05,685 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6)) [2019-02-14 16:30:05,817 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#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; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,819 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,820 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,821 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:30:05,822 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,823 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:30:05,824 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,825 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:30:05,826 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,827 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,828 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,829 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:30:05,830 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,831 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,832 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,833 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:30:05,833 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:30:05,834 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,835 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,836 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,837 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,838 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,839 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:30:05,840 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:30:05,841 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,842 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,843 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:30:05,844 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,845 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,846 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:30:05,847 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:30:05,848 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,849 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:30:05,850 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:30:05,852 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,853 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:05,854 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2019-02-14 16:30:05,855 INFO L273 TraceCheckUtils]: 37: Hoare triple {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} 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; {34064#(and (<= 37 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2019-02-14 16:30:05,856 INFO L273 TraceCheckUtils]: 38: Hoare triple {34064#(and (<= 37 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 37))} 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; {34068#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 0) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,857 INFO L273 TraceCheckUtils]: 39: Hoare triple {34068#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 0) (<= 37 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; {34072#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 1) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,858 INFO L273 TraceCheckUtils]: 40: Hoare triple {34072#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 1) (<= 37 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; {34076#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:30:05,859 INFO L273 TraceCheckUtils]: 41: Hoare triple {34076#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {34080#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 3) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,860 INFO L273 TraceCheckUtils]: 42: Hoare triple {34080#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 3) (<= 37 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; {34084#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 4) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,860 INFO L273 TraceCheckUtils]: 43: Hoare triple {34084#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 4) (<= 37 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; {34088#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,861 INFO L273 TraceCheckUtils]: 44: Hoare triple {34088#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34092#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:30:05,862 INFO L273 TraceCheckUtils]: 45: Hoare triple {34092#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 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; {34096#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,863 INFO L273 TraceCheckUtils]: 46: Hoare triple {34096#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34100#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 8) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,864 INFO L273 TraceCheckUtils]: 47: Hoare triple {34100#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 8) (<= 37 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; {34104#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,864 INFO L273 TraceCheckUtils]: 48: Hoare triple {34104#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34108#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,865 INFO L273 TraceCheckUtils]: 49: Hoare triple {34108#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34112#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 11) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,866 INFO L273 TraceCheckUtils]: 50: Hoare triple {34112#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 11) (<= 37 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; {34116#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,867 INFO L273 TraceCheckUtils]: 51: Hoare triple {34116#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34120#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 13) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,868 INFO L273 TraceCheckUtils]: 52: Hoare triple {34120#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 13) (<= 37 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; {34124#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 14) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,869 INFO L273 TraceCheckUtils]: 53: Hoare triple {34124#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 14) (<= 37 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; {34128#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:30:05,870 INFO L273 TraceCheckUtils]: 54: Hoare triple {34128#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} 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; {34132#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 16) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,871 INFO L273 TraceCheckUtils]: 55: Hoare triple {34132#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 16) (<= 37 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; {34136#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 17) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,871 INFO L273 TraceCheckUtils]: 56: Hoare triple {34136#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 17) (<= 37 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; {34140#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,872 INFO L273 TraceCheckUtils]: 57: Hoare triple {34140#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34144#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,882 INFO L273 TraceCheckUtils]: 58: Hoare triple {34144#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34148#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 20) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,895 INFO L273 TraceCheckUtils]: 59: Hoare triple {34148#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 20) (<= 37 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; {34152#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,907 INFO L273 TraceCheckUtils]: 60: Hoare triple {34152#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34156#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:30:05,915 INFO L273 TraceCheckUtils]: 61: Hoare triple {34156#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} 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; {34160#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 23) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,915 INFO L273 TraceCheckUtils]: 62: Hoare triple {34160#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 23) (<= 37 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; {34164#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 24) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,922 INFO L273 TraceCheckUtils]: 63: Hoare triple {34164#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 24) (<= 37 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; {34168#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,922 INFO L273 TraceCheckUtils]: 64: Hoare triple {34168#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34172#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,923 INFO L273 TraceCheckUtils]: 65: Hoare triple {34172#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34176#(and (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,924 INFO L273 TraceCheckUtils]: 66: Hoare triple {34176#(and (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34180#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 28) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,924 INFO L273 TraceCheckUtils]: 67: Hoare triple {34180#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 28) (<= 37 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; {34184#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:30:05,930 INFO L273 TraceCheckUtils]: 68: Hoare triple {34184#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 29))} 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; {34188#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 30) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,930 INFO L273 TraceCheckUtils]: 69: Hoare triple {34188#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 30) (<= 37 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; {34192#(and (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,935 INFO L273 TraceCheckUtils]: 70: Hoare triple {34192#(and (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34196#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 32) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,935 INFO L273 TraceCheckUtils]: 71: Hoare triple {34196#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 32) (<= 37 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; {34200#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 33) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,941 INFO L273 TraceCheckUtils]: 72: Hoare triple {34200#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 33) (<= 37 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; {34204#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 34) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,944 INFO L273 TraceCheckUtils]: 73: Hoare triple {34204#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 34) (<= 37 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; {34208#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 35) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,944 INFO L273 TraceCheckUtils]: 74: Hoare triple {34208#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 35) (<= 37 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; {34212#(and (= ULTIMATE.start_main_~j~6 36) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,946 INFO L273 TraceCheckUtils]: 75: Hoare triple {34212#(and (= ULTIMATE.start_main_~j~6 36) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 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; {34216#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:05,946 INFO L273 TraceCheckUtils]: 76: Hoare triple {34216#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} 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; {33872#false} is VALID [2019-02-14 16:30:05,947 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-02-14 16:30:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:05,957 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:30:05,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:30:05,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:30:05,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:30:05,994 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-02-14 16:30:05,996 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:30:05,996 WARN L398 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2019-02-14 16:30:05,996 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-02-14 16:30:07,673 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-02-14 16:30:07,675 INFO L273 TraceCheckUtils]: 76: Hoare triple {33948#(= (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; {33872#false} is VALID [2019-02-14 16:30:07,676 INFO L273 TraceCheckUtils]: 75: Hoare triple {33947#(= (+ 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; {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:30:07,677 INFO L273 TraceCheckUtils]: 74: Hoare triple {33946#(= (+ ULTIMATE.start_main_~j~6 2) 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; {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,678 INFO L273 TraceCheckUtils]: 73: Hoare triple {33945#(= (+ ULTIMATE.start_main_~j~6 3) 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; {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,679 INFO L273 TraceCheckUtils]: 72: Hoare triple {33944#(= (+ ULTIMATE.start_main_~j~6 4) 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; {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,680 INFO L273 TraceCheckUtils]: 71: Hoare triple {33943#(= (+ ULTIMATE.start_main_~j~6 5) 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; {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,681 INFO L273 TraceCheckUtils]: 70: Hoare triple {33942#(= (+ ULTIMATE.start_main_~j~6 6) 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; {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,682 INFO L273 TraceCheckUtils]: 69: Hoare triple {33941#(= (+ ULTIMATE.start_main_~j~6 7) 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; {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,683 INFO L273 TraceCheckUtils]: 68: Hoare triple {33940#(= (+ ULTIMATE.start_main_~j~6 8) 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; {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,684 INFO L273 TraceCheckUtils]: 67: Hoare triple {33939#(= (+ ULTIMATE.start_main_~j~6 9) 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; {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,685 INFO L273 TraceCheckUtils]: 66: Hoare triple {33938#(= (+ ULTIMATE.start_main_~j~6 10) 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; {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,686 INFO L273 TraceCheckUtils]: 65: Hoare triple {33937#(= (+ ULTIMATE.start_main_~j~6 11) 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; {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,687 INFO L273 TraceCheckUtils]: 64: Hoare triple {33936#(= (+ ULTIMATE.start_main_~j~6 12) 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; {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,688 INFO L273 TraceCheckUtils]: 63: Hoare triple {33935#(= (+ ULTIMATE.start_main_~j~6 13) 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; {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,689 INFO L273 TraceCheckUtils]: 62: Hoare triple {33934#(= (+ ULTIMATE.start_main_~j~6 14) 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; {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,690 INFO L273 TraceCheckUtils]: 61: Hoare triple {33933#(= (+ ULTIMATE.start_main_~j~6 15) 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; {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,691 INFO L273 TraceCheckUtils]: 60: Hoare triple {33932#(= (+ ULTIMATE.start_main_~j~6 16) 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; {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,692 INFO L273 TraceCheckUtils]: 59: Hoare triple {33931#(= (+ ULTIMATE.start_main_~j~6 17) 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; {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,693 INFO L273 TraceCheckUtils]: 58: Hoare triple {33930#(= (+ ULTIMATE.start_main_~j~6 18) 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; {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,694 INFO L273 TraceCheckUtils]: 57: Hoare triple {33929#(= (+ ULTIMATE.start_main_~j~6 19) 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; {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,695 INFO L273 TraceCheckUtils]: 56: Hoare triple {33928#(= (+ ULTIMATE.start_main_~j~6 20) 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; {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,696 INFO L273 TraceCheckUtils]: 55: Hoare triple {33927#(= (+ ULTIMATE.start_main_~j~6 21) 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; {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,697 INFO L273 TraceCheckUtils]: 54: Hoare triple {33926#(= (+ ULTIMATE.start_main_~j~6 22) 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; {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,698 INFO L273 TraceCheckUtils]: 53: Hoare triple {33925#(= (+ ULTIMATE.start_main_~j~6 23) 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; {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,699 INFO L273 TraceCheckUtils]: 52: Hoare triple {33924#(= (+ ULTIMATE.start_main_~j~6 24) 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; {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,700 INFO L273 TraceCheckUtils]: 51: Hoare triple {33923#(= (+ ULTIMATE.start_main_~j~6 25) 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; {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,701 INFO L273 TraceCheckUtils]: 50: Hoare triple {33922#(= (+ ULTIMATE.start_main_~j~6 26) 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; {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,702 INFO L273 TraceCheckUtils]: 49: Hoare triple {33921#(= (+ ULTIMATE.start_main_~j~6 27) 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; {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,703 INFO L273 TraceCheckUtils]: 48: Hoare triple {33920#(= (+ ULTIMATE.start_main_~j~6 28) 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; {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,704 INFO L273 TraceCheckUtils]: 47: Hoare triple {33919#(= (+ ULTIMATE.start_main_~j~6 29) 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; {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,705 INFO L273 TraceCheckUtils]: 46: Hoare triple {33918#(= (+ ULTIMATE.start_main_~j~6 30) 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; {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,707 INFO L273 TraceCheckUtils]: 45: Hoare triple {33917#(= (+ ULTIMATE.start_main_~j~6 31) 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; {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,708 INFO L273 TraceCheckUtils]: 44: Hoare triple {33916#(= (+ ULTIMATE.start_main_~j~6 32) 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; {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,709 INFO L273 TraceCheckUtils]: 43: Hoare triple {33915#(= (+ ULTIMATE.start_main_~j~6 33) 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; {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,710 INFO L273 TraceCheckUtils]: 42: Hoare triple {33914#(= (+ ULTIMATE.start_main_~j~6 34) 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; {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,711 INFO L273 TraceCheckUtils]: 41: Hoare triple {33913#(= (+ ULTIMATE.start_main_~j~6 35) 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; {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,712 INFO L273 TraceCheckUtils]: 40: Hoare triple {33912#(= (+ ULTIMATE.start_main_~j~6 36) 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; {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,713 INFO L273 TraceCheckUtils]: 39: Hoare triple {33911#(= (+ ULTIMATE.start_main_~j~6 37) 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; {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,714 INFO L273 TraceCheckUtils]: 38: Hoare triple {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 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; {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:07,715 INFO L273 TraceCheckUtils]: 37: Hoare triple {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} 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; {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:07,716 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2019-02-14 16:30:07,717 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,718 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,719 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:30:07,720 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:30:07,721 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,722 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:30:07,723 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:30:07,724 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,725 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,726 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:30:07,727 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,728 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,729 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:30:07,730 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:30:07,739 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,741 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,741 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,743 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,743 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,745 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:30:07,747 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:30:07,749 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,749 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,751 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,751 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:30:07,753 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,753 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,755 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,761 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:30:07,761 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,767 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:30:07,769 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,769 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:30:07,771 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,771 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,775 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#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; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:07,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:30:07,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 117 [2019-02-14 16:30:07,813 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:30:07,814 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-02-14 16:30:07,814 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:30:07,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 118 states. [2019-02-14 16:30:08,017 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:30:08,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2019-02-14 16:30:08,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2019-02-14 16:30:08,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=13457, Unknown=0, NotChecked=0, Total=13806 [2019-02-14 16:30:08,018 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 118 states. [2019-02-14 16:30:36,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:36,829 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2019-02-14 16:30:36,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-02-14 16:30:36,829 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-02-14 16:30:36,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:30:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-02-14 16:30:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-02-14 16:30:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-02-14 16:30:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-02-14 16:30:36,832 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 86 transitions. [2019-02-14 16:30:36,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:30:36,964 INFO L225 Difference]: With dead ends: 120 [2019-02-14 16:30:36,964 INFO L226 Difference]: Without dead ends: 80 [2019-02-14 16:30:36,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 89 SyntacticMatches, 26 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3995 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=738, Invalid=24068, Unknown=0, NotChecked=0, Total=24806 [2019-02-14 16:30:36,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-02-14 16:30:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-02-14 16:30:39,459 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:30:39,459 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2019-02-14 16:30:39,459 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-02-14 16:30:39,459 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-02-14 16:30:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:39,461 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-02-14 16:30:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-02-14 16:30:39,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:30:39,461 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:30:39,461 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-02-14 16:30:39,462 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-02-14 16:30:39,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:39,462 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-02-14 16:30:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-02-14 16:30:39,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:30:39,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:30:39,463 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:30:39,463 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:30:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-02-14 16:30:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2019-02-14 16:30:39,464 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 78 [2019-02-14 16:30:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:30:39,464 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2019-02-14 16:30:39,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 118 states. [2019-02-14 16:30:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-02-14 16:30:39,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-02-14 16:30:39,464 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:30:39,464 INFO L402 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1, 1] [2019-02-14 16:30:39,464 INFO L423 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:30:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:30:39,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1169619308, now seen corresponding path program 56 times [2019-02-14 16:30:39,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:30:39,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:30:39,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:30:39,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:30:39,466 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:30:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:40,335 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,336 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,337 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,338 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,339 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,340 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,341 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,342 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,342 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,343 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,344 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,345 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,346 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,347 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,348 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,349 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,350 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,351 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,352 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,353 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,354 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,354 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,355 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,356 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,357 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,358 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,359 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,360 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,361 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,362 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,363 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,364 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,365 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,365 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,366 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,367 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,368 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,369 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,370 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:40,371 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,372 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,373 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,374 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,375 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,376 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,377 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,377 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,378 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,379 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,380 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,381 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,382 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,383 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,384 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,385 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,386 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,387 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,387 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,388 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,389 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,390 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,391 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,392 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,393 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,394 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,395 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,396 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,397 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,398 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,400 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,401 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,402 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,402 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,403 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,403 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,404 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,405 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:40,405 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} 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; {35089#false} is VALID [2019-02-14 16:30:40,406 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-02-14 16:30:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:40,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:40,412 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:30:40,412 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:30:40,413 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:30:40,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:40,413 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:30:40,422 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-02-14 16:30:40,423 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-02-14 16:30:40,672 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2019-02-14 16:30:40,672 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:30:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:40,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:30:42,397 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,399 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,400 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,400 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,401 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,402 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,403 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,404 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,405 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,406 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,407 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,408 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,409 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,410 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,411 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,411 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,412 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,413 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,414 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,415 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,416 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,417 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,418 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,419 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,420 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,421 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,422 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,423 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,424 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,425 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,425 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,426 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,427 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,428 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,429 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,430 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,431 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,432 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,433 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:42,434 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,435 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,436 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,436 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,437 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,438 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,439 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,440 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,441 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,442 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,443 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,444 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,445 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,446 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,446 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,447 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,448 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,449 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,450 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,451 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,452 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,453 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,454 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,455 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,456 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,457 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,457 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,458 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,459 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,460 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,461 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,462 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,463 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,464 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,465 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,466 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,467 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,467 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:42,468 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} 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; {35089#false} is VALID [2019-02-14 16:30:42,468 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-02-14 16:30:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:42,474 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:30:44,354 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-02-14 16:30:44,355 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} 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; {35089#false} is VALID [2019-02-14 16:30:44,356 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,357 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,358 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,359 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,360 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,361 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,362 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,362 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,363 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,364 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,365 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,366 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,367 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,368 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,369 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,370 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,371 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,372 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,373 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,374 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,375 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,376 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,376 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,377 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,378 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,379 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,380 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,381 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,382 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,383 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,384 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,385 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,386 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,387 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,387 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,388 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,389 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,390 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,391 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~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; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:44,392 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~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; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,393 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~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; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,394 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~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; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,395 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~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; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,396 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~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; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,397 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~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; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,398 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~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; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,399 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~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; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,399 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~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; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,400 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~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; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,401 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~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; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,402 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~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; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,403 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~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; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,404 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~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; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,405 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~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; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,406 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~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; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,407 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~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; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,408 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~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; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,409 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~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; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,410 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~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; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,410 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~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; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,411 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~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; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,412 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~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; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,413 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~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; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,414 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~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; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,415 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~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; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,416 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~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; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,417 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~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; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,418 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~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; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,419 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~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; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,420 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~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; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,421 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~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; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,422 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~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; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,422 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~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; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,423 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~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; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~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; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,425 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~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; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,426 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#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; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2019-02-14 16:30:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:44,451 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:30:44,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 40 [2019-02-14 16:30:44,451 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:30:44,453 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-02-14 16:30:44,453 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:30:44,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-02-14 16:30:44,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:30:44,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-02-14 16:30:44,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-02-14 16:30:44,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2019-02-14 16:30:44,550 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 41 states. [2019-02-14 16:30:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:48,301 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-02-14 16:30:48,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-02-14 16:30:48,301 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-02-14 16:30:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:30:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-02-14 16:30:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-02-14 16:30:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-02-14 16:30:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-02-14 16:30:48,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 84 transitions. [2019-02-14 16:30:48,381 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:30:48,382 INFO L225 Difference]: With dead ends: 83 [2019-02-14 16:30:48,382 INFO L226 Difference]: Without dead ends: 81 [2019-02-14 16:30:48,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 119 SyntacticMatches, 76 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2340, Invalid=3822, Unknown=0, NotChecked=0, Total=6162 [2019-02-14 16:30:48,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-02-14 16:30:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-02-14 16:30:51,465 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:30:51,466 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2019-02-14 16:30:51,466 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-02-14 16:30:51,466 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-02-14 16:30:51,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:51,468 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-02-14 16:30:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-02-14 16:30:51,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:30:51,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:30:51,468 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-02-14 16:30:51,469 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-02-14 16:30:51,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:30:51,470 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-02-14 16:30:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-02-14 16:30:51,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:30:51,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:30:51,470 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:30:51,470 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:30:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-02-14 16:30:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2019-02-14 16:30:51,471 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 79 [2019-02-14 16:30:51,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:30:51,472 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2019-02-14 16:30:51,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-02-14 16:30:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-02-14 16:30:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-02-14 16:30:51,472 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:30:51,472 INFO L402 BasicCegarLoop]: trace histogram [38, 38, 1, 1, 1, 1] [2019-02-14 16:30:51,472 INFO L423 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:30:51,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:30:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1898461994, now seen corresponding path program 57 times [2019-02-14 16:30:51,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:30:51,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:30:51,473 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:30:51,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:30:51,474 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:30:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:55,800 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#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; {36162#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,801 INFO L273 TraceCheckUtils]: 1: Hoare triple {36162#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {36163#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,802 INFO L273 TraceCheckUtils]: 2: Hoare triple {36163#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {36164#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,803 INFO L273 TraceCheckUtils]: 3: Hoare triple {36164#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {36165#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:30:55,804 INFO L273 TraceCheckUtils]: 4: Hoare triple {36165#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {36166#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,805 INFO L273 TraceCheckUtils]: 5: Hoare triple {36166#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {36167#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:30:55,806 INFO L273 TraceCheckUtils]: 6: Hoare triple {36167#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {36168#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,807 INFO L273 TraceCheckUtils]: 7: Hoare triple {36168#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {36169#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:30:55,808 INFO L273 TraceCheckUtils]: 8: Hoare triple {36169#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {36170#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,809 INFO L273 TraceCheckUtils]: 9: Hoare triple {36170#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {36171#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,810 INFO L273 TraceCheckUtils]: 10: Hoare triple {36171#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {36172#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,811 INFO L273 TraceCheckUtils]: 11: Hoare triple {36172#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {36173#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:30:55,812 INFO L273 TraceCheckUtils]: 12: Hoare triple {36173#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {36174#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,813 INFO L273 TraceCheckUtils]: 13: Hoare triple {36174#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {36175#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,814 INFO L273 TraceCheckUtils]: 14: Hoare triple {36175#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {36176#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,815 INFO L273 TraceCheckUtils]: 15: Hoare triple {36176#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {36177#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:30:55,816 INFO L273 TraceCheckUtils]: 16: Hoare triple {36177#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {36178#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:30:55,817 INFO L273 TraceCheckUtils]: 17: Hoare triple {36178#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {36179#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,818 INFO L273 TraceCheckUtils]: 18: Hoare triple {36179#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {36180#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,819 INFO L273 TraceCheckUtils]: 19: Hoare triple {36180#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {36181#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,820 INFO L273 TraceCheckUtils]: 20: Hoare triple {36181#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {36182#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,821 INFO L273 TraceCheckUtils]: 21: Hoare triple {36182#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {36183#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,822 INFO L273 TraceCheckUtils]: 22: Hoare triple {36183#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {36184#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:30:55,823 INFO L273 TraceCheckUtils]: 23: Hoare triple {36184#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {36185#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:30:55,824 INFO L273 TraceCheckUtils]: 24: Hoare triple {36185#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {36186#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,825 INFO L273 TraceCheckUtils]: 25: Hoare triple {36186#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {36187#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,826 INFO L273 TraceCheckUtils]: 26: Hoare triple {36187#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {36188#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:30:55,827 INFO L273 TraceCheckUtils]: 27: Hoare triple {36188#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {36189#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,828 INFO L273 TraceCheckUtils]: 28: Hoare triple {36189#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {36190#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,829 INFO L273 TraceCheckUtils]: 29: Hoare triple {36190#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {36191#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:30:55,830 INFO L273 TraceCheckUtils]: 30: Hoare triple {36191#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {36192#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:30:55,831 INFO L273 TraceCheckUtils]: 31: Hoare triple {36192#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {36193#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,832 INFO L273 TraceCheckUtils]: 32: Hoare triple {36193#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {36194#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:30:55,833 INFO L273 TraceCheckUtils]: 33: Hoare triple {36194#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {36195#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:30:55,834 INFO L273 TraceCheckUtils]: 34: Hoare triple {36195#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {36196#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,835 INFO L273 TraceCheckUtils]: 35: Hoare triple {36196#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {36197#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:30:55,836 INFO L273 TraceCheckUtils]: 36: Hoare triple {36197#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {36198#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2019-02-14 16:30:55,837 INFO L273 TraceCheckUtils]: 37: Hoare triple {36198#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} 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; {36199#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37)))} is VALID [2019-02-14 16:30:55,839 INFO L273 TraceCheckUtils]: 38: Hoare triple {36199#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37)))} 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; {36200#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 38 ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:30:55,840 INFO L273 TraceCheckUtils]: 39: Hoare triple {36200#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 38 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; {36201#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,841 INFO L273 TraceCheckUtils]: 40: Hoare triple {36201#(= (+ ULTIMATE.start_main_~j~6 38) 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; {36202#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,842 INFO L273 TraceCheckUtils]: 41: Hoare triple {36202#(= (+ ULTIMATE.start_main_~j~6 37) 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; {36203#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,843 INFO L273 TraceCheckUtils]: 42: Hoare triple {36203#(= (+ ULTIMATE.start_main_~j~6 36) 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; {36204#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,844 INFO L273 TraceCheckUtils]: 43: Hoare triple {36204#(= (+ ULTIMATE.start_main_~j~6 35) 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; {36205#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,845 INFO L273 TraceCheckUtils]: 44: Hoare triple {36205#(= (+ ULTIMATE.start_main_~j~6 34) 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; {36206#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,846 INFO L273 TraceCheckUtils]: 45: Hoare triple {36206#(= (+ ULTIMATE.start_main_~j~6 33) 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; {36207#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,847 INFO L273 TraceCheckUtils]: 46: Hoare triple {36207#(= (+ ULTIMATE.start_main_~j~6 32) 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; {36208#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,848 INFO L273 TraceCheckUtils]: 47: Hoare triple {36208#(= (+ ULTIMATE.start_main_~j~6 31) 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; {36209#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,849 INFO L273 TraceCheckUtils]: 48: Hoare triple {36209#(= (+ ULTIMATE.start_main_~j~6 30) 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; {36210#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,850 INFO L273 TraceCheckUtils]: 49: Hoare triple {36210#(= (+ ULTIMATE.start_main_~j~6 29) 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; {36211#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,851 INFO L273 TraceCheckUtils]: 50: Hoare triple {36211#(= (+ ULTIMATE.start_main_~j~6 28) 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; {36212#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,852 INFO L273 TraceCheckUtils]: 51: Hoare triple {36212#(= (+ ULTIMATE.start_main_~j~6 27) 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; {36213#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,853 INFO L273 TraceCheckUtils]: 52: Hoare triple {36213#(= (+ ULTIMATE.start_main_~j~6 26) 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; {36214#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,854 INFO L273 TraceCheckUtils]: 53: Hoare triple {36214#(= (+ ULTIMATE.start_main_~j~6 25) 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; {36215#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,855 INFO L273 TraceCheckUtils]: 54: Hoare triple {36215#(= (+ ULTIMATE.start_main_~j~6 24) 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; {36216#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,856 INFO L273 TraceCheckUtils]: 55: Hoare triple {36216#(= (+ ULTIMATE.start_main_~j~6 23) 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; {36217#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,857 INFO L273 TraceCheckUtils]: 56: Hoare triple {36217#(= (+ ULTIMATE.start_main_~j~6 22) 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; {36218#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,858 INFO L273 TraceCheckUtils]: 57: Hoare triple {36218#(= (+ ULTIMATE.start_main_~j~6 21) 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; {36219#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,859 INFO L273 TraceCheckUtils]: 58: Hoare triple {36219#(= (+ ULTIMATE.start_main_~j~6 20) 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; {36220#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,860 INFO L273 TraceCheckUtils]: 59: Hoare triple {36220#(= (+ ULTIMATE.start_main_~j~6 19) 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; {36221#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,861 INFO L273 TraceCheckUtils]: 60: Hoare triple {36221#(= (+ ULTIMATE.start_main_~j~6 18) 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; {36222#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,862 INFO L273 TraceCheckUtils]: 61: Hoare triple {36222#(= (+ ULTIMATE.start_main_~j~6 17) 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; {36223#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,863 INFO L273 TraceCheckUtils]: 62: Hoare triple {36223#(= (+ ULTIMATE.start_main_~j~6 16) 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; {36224#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,864 INFO L273 TraceCheckUtils]: 63: Hoare triple {36224#(= (+ ULTIMATE.start_main_~j~6 15) 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; {36225#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,865 INFO L273 TraceCheckUtils]: 64: Hoare triple {36225#(= (+ ULTIMATE.start_main_~j~6 14) 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; {36226#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,866 INFO L273 TraceCheckUtils]: 65: Hoare triple {36226#(= (+ ULTIMATE.start_main_~j~6 13) 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; {36227#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,867 INFO L273 TraceCheckUtils]: 66: Hoare triple {36227#(= (+ ULTIMATE.start_main_~j~6 12) 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; {36228#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,868 INFO L273 TraceCheckUtils]: 67: Hoare triple {36228#(= (+ ULTIMATE.start_main_~j~6 11) 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; {36229#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,869 INFO L273 TraceCheckUtils]: 68: Hoare triple {36229#(= (+ ULTIMATE.start_main_~j~6 10) 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; {36230#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,870 INFO L273 TraceCheckUtils]: 69: Hoare triple {36230#(= (+ ULTIMATE.start_main_~j~6 9) 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; {36231#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,871 INFO L273 TraceCheckUtils]: 70: Hoare triple {36231#(= (+ ULTIMATE.start_main_~j~6 8) 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; {36232#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,872 INFO L273 TraceCheckUtils]: 71: Hoare triple {36232#(= (+ ULTIMATE.start_main_~j~6 7) 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; {36233#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,873 INFO L273 TraceCheckUtils]: 72: Hoare triple {36233#(= (+ ULTIMATE.start_main_~j~6 6) 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; {36234#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,874 INFO L273 TraceCheckUtils]: 73: Hoare triple {36234#(= (+ ULTIMATE.start_main_~j~6 5) 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; {36235#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,875 INFO L273 TraceCheckUtils]: 74: Hoare triple {36235#(= (+ ULTIMATE.start_main_~j~6 4) 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; {36236#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,876 INFO L273 TraceCheckUtils]: 75: Hoare triple {36236#(= (+ ULTIMATE.start_main_~j~6 3) 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; {36237#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,877 INFO L273 TraceCheckUtils]: 76: Hoare triple {36237#(= (+ ULTIMATE.start_main_~j~6 2) 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; {36238#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:30:55,878 INFO L273 TraceCheckUtils]: 77: Hoare triple {36238#(= (+ 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; {36239#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:30:55,879 INFO L273 TraceCheckUtils]: 78: Hoare triple {36239#(= (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; {36161#false} is VALID [2019-02-14 16:30:55,880 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-02-14 16:30:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:30:55,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:55,889 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:30:55,889 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:30:55,889 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:30:55,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:30:55,889 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:30:55,897 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-02-14 16:30:55,898 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-02-14 16:30:55,946 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-02-14 16:30:55,947 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-02-14 16:30:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:30:55,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-02-14 16:30:59,971 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-02-14 16:30:59,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:30:59,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:30:59,980 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-02-14 16:30:59,983 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-02-14 16:30:59,983 WARN L398 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_1108]. (and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (store v_ULTIMATE.start_main_~str2~6_1108 37 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2019-02-14 16:30:59,983 WARN L399 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0))) [2019-02-14 16:31:00,105 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#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; {36160#true} is VALID [2019-02-14 16:31:00,106 INFO L273 TraceCheckUtils]: 1: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,106 INFO L273 TraceCheckUtils]: 2: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,106 INFO L273 TraceCheckUtils]: 3: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,106 INFO L273 TraceCheckUtils]: 4: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 5: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 6: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 7: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 8: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 9: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 10: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,107 INFO L273 TraceCheckUtils]: 11: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 12: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 13: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 14: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 15: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 16: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 17: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 18: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 19: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 20: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,108 INFO L273 TraceCheckUtils]: 21: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 22: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 23: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 24: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 25: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 26: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 27: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 28: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 29: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 30: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,109 INFO L273 TraceCheckUtils]: 31: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 32: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 33: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 34: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 35: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 36: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 37: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,110 INFO L273 TraceCheckUtils]: 38: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:00,111 INFO L273 TraceCheckUtils]: 39: Hoare triple {36160#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; {36360#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:00,111 INFO L273 TraceCheckUtils]: 40: Hoare triple {36360#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~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; {36364#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2019-02-14 16:31:00,112 INFO L273 TraceCheckUtils]: 41: Hoare triple {36364#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} 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; {36368#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2019-02-14 16:31:00,113 INFO L273 TraceCheckUtils]: 42: Hoare triple {36368#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} 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; {36372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2019-02-14 16:31:00,113 INFO L273 TraceCheckUtils]: 43: Hoare triple {36372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} 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; {36376#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2019-02-14 16:31:00,115 INFO L273 TraceCheckUtils]: 44: Hoare triple {36376#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} 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; {36380#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:00,116 INFO L273 TraceCheckUtils]: 45: Hoare triple {36380#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) 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; {36384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2019-02-14 16:31:00,117 INFO L273 TraceCheckUtils]: 46: Hoare triple {36384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 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; {36388#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2019-02-14 16:31:00,118 INFO L273 TraceCheckUtils]: 47: Hoare triple {36388#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} 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; {36392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2019-02-14 16:31:00,119 INFO L273 TraceCheckUtils]: 48: Hoare triple {36392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} 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; {36396#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2019-02-14 16:31:00,120 INFO L273 TraceCheckUtils]: 49: Hoare triple {36396#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} 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; {36400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2019-02-14 16:31:00,121 INFO L273 TraceCheckUtils]: 50: Hoare triple {36400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} 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; {36404#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2019-02-14 16:31:00,122 INFO L273 TraceCheckUtils]: 51: Hoare triple {36404#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} 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; {36408#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2019-02-14 16:31:00,123 INFO L273 TraceCheckUtils]: 52: Hoare triple {36408#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} 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; {36412#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2019-02-14 16:31:00,124 INFO L273 TraceCheckUtils]: 53: Hoare triple {36412#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} 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; {36416#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2019-02-14 16:31:00,125 INFO L273 TraceCheckUtils]: 54: Hoare triple {36416#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} 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; {36420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2019-02-14 16:31:00,126 INFO L273 TraceCheckUtils]: 55: Hoare triple {36420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} 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; {36424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2019-02-14 16:31:00,127 INFO L273 TraceCheckUtils]: 56: Hoare triple {36424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} 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; {36428#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2019-02-14 16:31:00,128 INFO L273 TraceCheckUtils]: 57: Hoare triple {36428#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} 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; {36432#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2019-02-14 16:31:00,129 INFO L273 TraceCheckUtils]: 58: Hoare triple {36432#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} 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; {36436#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2019-02-14 16:31:00,130 INFO L273 TraceCheckUtils]: 59: Hoare triple {36436#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} 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; {36440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2019-02-14 16:31:00,132 INFO L273 TraceCheckUtils]: 60: Hoare triple {36440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} 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; {36444#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2019-02-14 16:31:00,133 INFO L273 TraceCheckUtils]: 61: Hoare triple {36444#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} 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; {36448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2019-02-14 16:31:00,134 INFO L273 TraceCheckUtils]: 62: Hoare triple {36448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} 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; {36452#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2019-02-14 16:31:00,135 INFO L273 TraceCheckUtils]: 63: Hoare triple {36452#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} 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; {36456#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2019-02-14 16:31:00,136 INFO L273 TraceCheckUtils]: 64: Hoare triple {36456#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} 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; {36460#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2019-02-14 16:31:00,137 INFO L273 TraceCheckUtils]: 65: Hoare triple {36460#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} 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; {36464#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2019-02-14 16:31:00,138 INFO L273 TraceCheckUtils]: 66: Hoare triple {36464#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} 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; {36468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2019-02-14 16:31:00,139 INFO L273 TraceCheckUtils]: 67: Hoare triple {36468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} 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; {36472#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2019-02-14 16:31:00,140 INFO L273 TraceCheckUtils]: 68: Hoare triple {36472#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} 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; {36476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2019-02-14 16:31:00,141 INFO L273 TraceCheckUtils]: 69: Hoare triple {36476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} 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; {36480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2019-02-14 16:31:00,142 INFO L273 TraceCheckUtils]: 70: Hoare triple {36480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} 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; {36484#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2019-02-14 16:31:00,143 INFO L273 TraceCheckUtils]: 71: Hoare triple {36484#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} 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; {36488#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2019-02-14 16:31:00,144 INFO L273 TraceCheckUtils]: 72: Hoare triple {36488#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} 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; {36492#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2019-02-14 16:31:00,145 INFO L273 TraceCheckUtils]: 73: Hoare triple {36492#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} 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; {36496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} is VALID [2019-02-14 16:31:00,146 INFO L273 TraceCheckUtils]: 74: Hoare triple {36496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} 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; {36500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} is VALID [2019-02-14 16:31:00,147 INFO L273 TraceCheckUtils]: 75: Hoare triple {36500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} 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; {36504#(and (= ULTIMATE.start_main_~j~6 36) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)))} is VALID [2019-02-14 16:31:00,148 INFO L273 TraceCheckUtils]: 76: Hoare triple {36504#(and (= ULTIMATE.start_main_~j~6 36) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)))} 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; {36508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 38)) (= ULTIMATE.start_main_~j~6 37))} is VALID [2019-02-14 16:31:00,150 INFO L273 TraceCheckUtils]: 77: Hoare triple {36508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 38)) (= ULTIMATE.start_main_~j~6 37))} 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; {36512#(and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2019-02-14 16:31:00,151 INFO L273 TraceCheckUtils]: 78: Hoare triple {36512#(and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0)))} 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; {36161#false} is VALID [2019-02-14 16:31:00,151 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-02-14 16:31:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-02-14 16:31:00,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-02-14 16:31:00,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-02-14 16:31:00,313 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-02-14 16:31:00,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-02-14 16:31:00,324 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-02-14 16:31:05,057 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-02-14 16:31:05,059 INFO L273 TraceCheckUtils]: 78: Hoare triple {36522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} 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; {36161#false} is VALID [2019-02-14 16:31:05,060 INFO L273 TraceCheckUtils]: 77: Hoare triple {36526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ 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; {36522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,061 INFO L273 TraceCheckUtils]: 76: Hoare triple {36530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} 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; {36526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:05,063 INFO L273 TraceCheckUtils]: 75: Hoare triple {36534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~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; {36530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2019-02-14 16:31:05,064 INFO L273 TraceCheckUtils]: 74: Hoare triple {36538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~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; {36534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,065 INFO L273 TraceCheckUtils]: 73: Hoare triple {36542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} 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; {36538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,066 INFO L273 TraceCheckUtils]: 72: Hoare triple {36546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) 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; {36542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2019-02-14 16:31:05,067 INFO L273 TraceCheckUtils]: 71: Hoare triple {36550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~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; {36546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:05,068 INFO L273 TraceCheckUtils]: 70: Hoare triple {36554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~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; {36550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,070 INFO L273 TraceCheckUtils]: 69: Hoare triple {36558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} 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; {36554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,071 INFO L273 TraceCheckUtils]: 68: Hoare triple {36562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~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; {36558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2019-02-14 16:31:05,072 INFO L273 TraceCheckUtils]: 67: Hoare triple {36566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} 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; {36562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,073 INFO L273 TraceCheckUtils]: 66: Hoare triple {36570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~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; {36566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2019-02-14 16:31:05,074 INFO L273 TraceCheckUtils]: 65: Hoare triple {36574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} 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; {36570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,075 INFO L273 TraceCheckUtils]: 64: Hoare triple {36578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~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; {36574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2019-02-14 16:31:05,076 INFO L273 TraceCheckUtils]: 63: Hoare triple {36582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} 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; {36578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,078 INFO L273 TraceCheckUtils]: 62: Hoare triple {36586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} 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; {36582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2019-02-14 16:31:05,079 INFO L273 TraceCheckUtils]: 61: Hoare triple {36590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} 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; {36586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2019-02-14 16:31:05,080 INFO L273 TraceCheckUtils]: 60: Hoare triple {36594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} 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; {36590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2019-02-14 16:31:05,081 INFO L273 TraceCheckUtils]: 59: Hoare triple {36598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} 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; {36594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2019-02-14 16:31:05,082 INFO L273 TraceCheckUtils]: 58: Hoare triple {36602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} 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; {36598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2019-02-14 16:31:05,083 INFO L273 TraceCheckUtils]: 57: Hoare triple {36606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~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; {36602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2019-02-14 16:31:05,085 INFO L273 TraceCheckUtils]: 56: Hoare triple {36610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} 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; {36606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,086 INFO L273 TraceCheckUtils]: 55: Hoare triple {36614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~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; {36610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2019-02-14 16:31:05,087 INFO L273 TraceCheckUtils]: 54: Hoare triple {36618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~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; {36614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,088 INFO L273 TraceCheckUtils]: 53: Hoare triple {36622#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} 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; {36618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,089 INFO L273 TraceCheckUtils]: 52: Hoare triple {36626#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} 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; {36622#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2019-02-14 16:31:05,090 INFO L273 TraceCheckUtils]: 51: Hoare triple {36630#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} 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; {36626#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2019-02-14 16:31:05,092 INFO L273 TraceCheckUtils]: 50: Hoare triple {36634#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} 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; {36630#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2019-02-14 16:31:05,093 INFO L273 TraceCheckUtils]: 49: Hoare triple {36638#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} 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; {36634#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2019-02-14 16:31:05,094 INFO L273 TraceCheckUtils]: 48: Hoare triple {36642#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} 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; {36638#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2019-02-14 16:31:05,095 INFO L273 TraceCheckUtils]: 47: Hoare triple {36646#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~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; {36642#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:31:05,096 INFO L273 TraceCheckUtils]: 46: Hoare triple {36650#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} 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; {36646#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,097 INFO L273 TraceCheckUtils]: 45: Hoare triple {36654#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~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; {36650#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2019-02-14 16:31:05,099 INFO L273 TraceCheckUtils]: 44: Hoare triple {36658#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} 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; {36654#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,100 INFO L273 TraceCheckUtils]: 43: Hoare triple {36662#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} 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; {36658#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2019-02-14 16:31:05,101 INFO L273 TraceCheckUtils]: 42: Hoare triple {36666#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~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; {36662#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} is VALID [2019-02-14 16:31:05,102 INFO L273 TraceCheckUtils]: 41: Hoare triple {36670#(or (< 36 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 36) (= (+ ULTIMATE.start_main_~j~6 37) 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; {36666#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:05,103 INFO L273 TraceCheckUtils]: 40: Hoare triple {36674#(or (< 37 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 37) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 38)))} 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; {36670#(or (< 36 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 36) (= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:05,104 INFO L273 TraceCheckUtils]: 39: Hoare triple {36160#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; {36674#(or (< 37 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 37) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 38)))} is VALID [2019-02-14 16:31:05,104 INFO L273 TraceCheckUtils]: 38: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,105 INFO L273 TraceCheckUtils]: 37: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,105 INFO L273 TraceCheckUtils]: 36: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,105 INFO L273 TraceCheckUtils]: 35: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,105 INFO L273 TraceCheckUtils]: 34: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,105 INFO L273 TraceCheckUtils]: 33: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 32: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 31: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 30: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 29: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 28: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,106 INFO L273 TraceCheckUtils]: 27: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 26: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 25: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 24: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 23: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 22: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 21: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 20: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 19: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,107 INFO L273 TraceCheckUtils]: 18: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 17: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 16: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 15: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 14: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 13: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 12: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 11: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 10: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 9: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,108 INFO L273 TraceCheckUtils]: 8: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 7: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 6: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 5: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 4: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 3: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 2: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 1: Hoare triple {36160#true} 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; {36160#true} is VALID [2019-02-14 16:31:05,109 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#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; {36160#true} is VALID [2019-02-14 16:31:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-02-14 16:31:05,137 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-02-14 16:31:05,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 41, 41] total 158 [2019-02-14 16:31:05,138 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-02-14 16:31:05,138 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-02-14 16:31:05,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-02-14 16:31:05,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states. [2019-02-14 16:31:05,257 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:31:05,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 119 states [2019-02-14 16:31:05,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2019-02-14 16:31:05,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3278, Invalid=21528, Unknown=0, NotChecked=0, Total=24806 [2019-02-14 16:31:05,259 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 119 states. [2019-02-14 16:31:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:31:37,669 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2019-02-14 16:31:37,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2019-02-14 16:31:37,669 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-02-14 16:31:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-02-14 16:31:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-02-14 16:31:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-02-14 16:31:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-02-14 16:31:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-02-14 16:31:37,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 122 states and 129 transitions. [2019-02-14 16:31:37,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-02-14 16:31:37,821 INFO L225 Difference]: With dead ends: 125 [2019-02-14 16:31:37,821 INFO L226 Difference]: Without dead ends: 83 [2019-02-14 16:31:37,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=5173, Invalid=35027, Unknown=0, NotChecked=0, Total=40200 [2019-02-14 16:31:37,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-02-14 16:31:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-02-14 16:31:40,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-02-14 16:31:40,692 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2019-02-14 16:31:40,692 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-02-14 16:31:40,692 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-02-14 16:31:40,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:31:40,693 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-02-14 16:31:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-02-14 16:31:40,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:31:40,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:31:40,693 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-02-14 16:31:40,693 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-02-14 16:31:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-02-14 16:31:40,694 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-02-14 16:31:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-02-14 16:31:40,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-02-14 16:31:40,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-02-14 16:31:40,695 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-02-14 16:31:40,695 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-02-14 16:31:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-02-14 16:31:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2019-02-14 16:31:40,696 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2019-02-14 16:31:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-02-14 16:31:40,697 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2019-02-14 16:31:40,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 119 states. [2019-02-14 16:31:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-02-14 16:31:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-02-14 16:31:40,697 INFO L394 BasicCegarLoop]: Found error trace [2019-02-14 16:31:40,697 INFO L402 BasicCegarLoop]: trace histogram [39, 39, 1, 1, 1, 1] [2019-02-14 16:31:40,697 INFO L423 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-02-14 16:31:40,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-02-14 16:31:40,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1341848277, now seen corresponding path program 58 times [2019-02-14 16:31:40,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-02-14 16:31:40,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:31:40,698 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-02-14 16:31:40,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-02-14 16:31:40,699 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-02-14 16:31:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:31:44,872 INFO L273 TraceCheckUtils]: 0: Hoare triple {37457#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; {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,873 INFO L273 TraceCheckUtils]: 1: Hoare triple {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~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; {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,874 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~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; {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,875 INFO L273 TraceCheckUtils]: 3: Hoare triple {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~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; {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-02-14 16:31:44,876 INFO L273 TraceCheckUtils]: 4: Hoare triple {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} 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; {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,877 INFO L273 TraceCheckUtils]: 5: Hoare triple {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~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; {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-02-14 16:31:44,878 INFO L273 TraceCheckUtils]: 6: Hoare triple {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} 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; {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,879 INFO L273 TraceCheckUtils]: 7: Hoare triple {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~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; {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2019-02-14 16:31:44,880 INFO L273 TraceCheckUtils]: 8: Hoare triple {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} 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; {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,881 INFO L273 TraceCheckUtils]: 9: Hoare triple {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~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; {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,882 INFO L273 TraceCheckUtils]: 10: Hoare triple {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~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; {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,883 INFO L273 TraceCheckUtils]: 11: Hoare triple {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~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; {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2019-02-14 16:31:44,884 INFO L273 TraceCheckUtils]: 12: Hoare triple {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} 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; {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,885 INFO L273 TraceCheckUtils]: 13: Hoare triple {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~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; {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,886 INFO L273 TraceCheckUtils]: 14: Hoare triple {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~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; {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,887 INFO L273 TraceCheckUtils]: 15: Hoare triple {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~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; {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2019-02-14 16:31:44,888 INFO L273 TraceCheckUtils]: 16: Hoare triple {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} 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; {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2019-02-14 16:31:44,889 INFO L273 TraceCheckUtils]: 17: Hoare triple {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} 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; {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,890 INFO L273 TraceCheckUtils]: 18: Hoare triple {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~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; {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,891 INFO L273 TraceCheckUtils]: 19: Hoare triple {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~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; {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,892 INFO L273 TraceCheckUtils]: 20: Hoare triple {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~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; {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,893 INFO L273 TraceCheckUtils]: 21: Hoare triple {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~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; {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,894 INFO L273 TraceCheckUtils]: 22: Hoare triple {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~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; {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2019-02-14 16:31:44,895 INFO L273 TraceCheckUtils]: 23: Hoare triple {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} 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; {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2019-02-14 16:31:44,896 INFO L273 TraceCheckUtils]: 24: Hoare triple {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} 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; {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,897 INFO L273 TraceCheckUtils]: 25: Hoare triple {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~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; {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,898 INFO L273 TraceCheckUtils]: 26: Hoare triple {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~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; {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2019-02-14 16:31:44,899 INFO L273 TraceCheckUtils]: 27: Hoare triple {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} 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; {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,900 INFO L273 TraceCheckUtils]: 28: Hoare triple {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~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; {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,901 INFO L273 TraceCheckUtils]: 29: Hoare triple {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~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; {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2019-02-14 16:31:44,902 INFO L273 TraceCheckUtils]: 30: Hoare triple {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} 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; {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2019-02-14 16:31:44,903 INFO L273 TraceCheckUtils]: 31: Hoare triple {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} 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; {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,904 INFO L273 TraceCheckUtils]: 32: Hoare triple {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~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; {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2019-02-14 16:31:44,905 INFO L273 TraceCheckUtils]: 33: Hoare triple {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} 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; {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2019-02-14 16:31:44,906 INFO L273 TraceCheckUtils]: 34: Hoare triple {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} 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; {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,907 INFO L273 TraceCheckUtils]: 35: Hoare triple {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~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; {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2019-02-14 16:31:44,908 INFO L273 TraceCheckUtils]: 36: Hoare triple {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~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; {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2019-02-14 16:31:44,909 INFO L273 TraceCheckUtils]: 37: Hoare triple {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} 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; {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2019-02-14 16:31:44,910 INFO L273 TraceCheckUtils]: 38: Hoare triple {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} 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; {37497#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6)))} is VALID [2019-02-14 16:31:44,911 INFO L273 TraceCheckUtils]: 39: Hoare triple {37497#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~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; {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2019-02-14 16:31:44,912 INFO L273 TraceCheckUtils]: 40: Hoare triple {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~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; {37499#(= (+ ULTIMATE.start_main_~j~6 39) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,913 INFO L273 TraceCheckUtils]: 41: Hoare triple {37499#(= (+ ULTIMATE.start_main_~j~6 39) 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; {37500#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,914 INFO L273 TraceCheckUtils]: 42: Hoare triple {37500#(= (+ ULTIMATE.start_main_~j~6 38) 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; {37501#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,915 INFO L273 TraceCheckUtils]: 43: Hoare triple {37501#(= (+ ULTIMATE.start_main_~j~6 37) 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; {37502#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,916 INFO L273 TraceCheckUtils]: 44: Hoare triple {37502#(= (+ ULTIMATE.start_main_~j~6 36) 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; {37503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,917 INFO L273 TraceCheckUtils]: 45: Hoare triple {37503#(= (+ ULTIMATE.start_main_~j~6 35) 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; {37504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,919 INFO L273 TraceCheckUtils]: 46: Hoare triple {37504#(= (+ ULTIMATE.start_main_~j~6 34) 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; {37505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,920 INFO L273 TraceCheckUtils]: 47: Hoare triple {37505#(= (+ ULTIMATE.start_main_~j~6 33) 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; {37506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,921 INFO L273 TraceCheckUtils]: 48: Hoare triple {37506#(= (+ ULTIMATE.start_main_~j~6 32) 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; {37507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,922 INFO L273 TraceCheckUtils]: 49: Hoare triple {37507#(= (+ ULTIMATE.start_main_~j~6 31) 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; {37508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,923 INFO L273 TraceCheckUtils]: 50: Hoare triple {37508#(= (+ ULTIMATE.start_main_~j~6 30) 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; {37509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,924 INFO L273 TraceCheckUtils]: 51: Hoare triple {37509#(= (+ ULTIMATE.start_main_~j~6 29) 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; {37510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,925 INFO L273 TraceCheckUtils]: 52: Hoare triple {37510#(= (+ ULTIMATE.start_main_~j~6 28) 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; {37511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,926 INFO L273 TraceCheckUtils]: 53: Hoare triple {37511#(= (+ ULTIMATE.start_main_~j~6 27) 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; {37512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,927 INFO L273 TraceCheckUtils]: 54: Hoare triple {37512#(= (+ ULTIMATE.start_main_~j~6 26) 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; {37513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,928 INFO L273 TraceCheckUtils]: 55: Hoare triple {37513#(= (+ ULTIMATE.start_main_~j~6 25) 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; {37514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,929 INFO L273 TraceCheckUtils]: 56: Hoare triple {37514#(= (+ ULTIMATE.start_main_~j~6 24) 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; {37515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,930 INFO L273 TraceCheckUtils]: 57: Hoare triple {37515#(= (+ ULTIMATE.start_main_~j~6 23) 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; {37516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,931 INFO L273 TraceCheckUtils]: 58: Hoare triple {37516#(= (+ ULTIMATE.start_main_~j~6 22) 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; {37517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,932 INFO L273 TraceCheckUtils]: 59: Hoare triple {37517#(= (+ ULTIMATE.start_main_~j~6 21) 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; {37518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,933 INFO L273 TraceCheckUtils]: 60: Hoare triple {37518#(= (+ ULTIMATE.start_main_~j~6 20) 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; {37519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,934 INFO L273 TraceCheckUtils]: 61: Hoare triple {37519#(= (+ ULTIMATE.start_main_~j~6 19) 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; {37520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,935 INFO L273 TraceCheckUtils]: 62: Hoare triple {37520#(= (+ ULTIMATE.start_main_~j~6 18) 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; {37521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,936 INFO L273 TraceCheckUtils]: 63: Hoare triple {37521#(= (+ ULTIMATE.start_main_~j~6 17) 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; {37522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,937 INFO L273 TraceCheckUtils]: 64: Hoare triple {37522#(= (+ ULTIMATE.start_main_~j~6 16) 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; {37523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,938 INFO L273 TraceCheckUtils]: 65: Hoare triple {37523#(= (+ ULTIMATE.start_main_~j~6 15) 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; {37524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,939 INFO L273 TraceCheckUtils]: 66: Hoare triple {37524#(= (+ ULTIMATE.start_main_~j~6 14) 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; {37525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,940 INFO L273 TraceCheckUtils]: 67: Hoare triple {37525#(= (+ ULTIMATE.start_main_~j~6 13) 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; {37526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,941 INFO L273 TraceCheckUtils]: 68: Hoare triple {37526#(= (+ ULTIMATE.start_main_~j~6 12) 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; {37527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,942 INFO L273 TraceCheckUtils]: 69: Hoare triple {37527#(= (+ ULTIMATE.start_main_~j~6 11) 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; {37528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,943 INFO L273 TraceCheckUtils]: 70: Hoare triple {37528#(= (+ ULTIMATE.start_main_~j~6 10) 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; {37529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,944 INFO L273 TraceCheckUtils]: 71: Hoare triple {37529#(= (+ ULTIMATE.start_main_~j~6 9) 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; {37530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,945 INFO L273 TraceCheckUtils]: 72: Hoare triple {37530#(= (+ ULTIMATE.start_main_~j~6 8) 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; {37531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,946 INFO L273 TraceCheckUtils]: 73: Hoare triple {37531#(= (+ ULTIMATE.start_main_~j~6 7) 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; {37532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,947 INFO L273 TraceCheckUtils]: 74: Hoare triple {37532#(= (+ ULTIMATE.start_main_~j~6 6) 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; {37533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,948 INFO L273 TraceCheckUtils]: 75: Hoare triple {37533#(= (+ ULTIMATE.start_main_~j~6 5) 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; {37534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,949 INFO L273 TraceCheckUtils]: 76: Hoare triple {37534#(= (+ ULTIMATE.start_main_~j~6 4) 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; {37535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,950 INFO L273 TraceCheckUtils]: 77: Hoare triple {37535#(= (+ ULTIMATE.start_main_~j~6 3) 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; {37536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,951 INFO L273 TraceCheckUtils]: 78: Hoare triple {37536#(= (+ ULTIMATE.start_main_~j~6 2) 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; {37537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2019-02-14 16:31:44,952 INFO L273 TraceCheckUtils]: 79: Hoare triple {37537#(= (+ 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; {37538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2019-02-14 16:31:44,953 INFO L273 TraceCheckUtils]: 80: Hoare triple {37538#(= (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; {37458#false} is VALID [2019-02-14 16:31:44,953 INFO L273 TraceCheckUtils]: 81: Hoare triple {37458#false} assume !false; {37458#false} is VALID [2019-02-14 16:31:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-02-14 16:31:44,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:31:44,963 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-02-14 16:31:44,964 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-02-14 16:31:44,964 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-02-14 16:31:44,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-02-14 16:31:44,964 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-02-14 16:31:44,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-02-14 16:31:44,976 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-02-14 16:31:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:31:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-02-14 16:31:45,092 INFO L273 TraceCheckSpWp]: Computing forward predicates...